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w - 
INTERNATIONAL STANDARD, 
INTERNATIONAL ORGANIZATION FOR STANDARDIZATION 
l MEXJ(YHAPOAHU OPI-AHM3AUMII l-f0 CTAHAAPTM3AWM -ORGANISATION INTERNATIONALE DE NORMALISATION 
Standard Atmosphere 
(identical with the ICAO and WM0 Standard Atmospheres from - 2 to 32 km) 
Atmosphere Type 
(identique aux atmosph&res Standard de I’OACI et de I’OMM entre - 2 et 32 km) 
CmaHdapmHa.8 amMoc$epa 
(om - 2 do 32 KM ubeHmuwa cmardapmHblu amMoc&epaM EIICAO u BMO) 
First edition - 1975-05-15 
Corrected and reprinted - 1978-12-15 
UDC 551.51/.54 Ref. No. ISO 2533-1975 (E) 
Descriptors : aerodynamics, Standard atmosphere, meteorological data. 
Price based on 108 pages 
iTeh STANDARD PREVIEW
(standards.iteh.ai)
ISO 2533:1975
https://standards.iteh.ai/catalog/standards/sist/02a8e2e4-d0de-4645-8216-
79923f05d24e/iso-2533-1975
ISO (the International Organization for Standardization) is a woridwide federation 
of national Standards institutes (ISO Member Bodies). The work of developing 
International Standards is carried out through ISO Technical Committees. Every 
Member Body interested in a subject for which a Technical Committee has been set 
up has the right to be represented on that Committee. International organizations, 
governmental and non-governmental, in liaison with ISO, also take part in the work. 
Draft International Standards adopted by the Technical Committees are circulated 
to the Member Bodies for approval before their acceptance as International 
Standards by the ISO Council. 
International Standard ISO 2533 was drawn up by Technical Committee ISO/TC 20, 
Aircraft and space vehicles, and circulated to the Member Bodies in April 1972. 
[The tables of the ISO Interim Standard Atmosphere (see page iii) were circulated 
separately to the Member Bodies in August 1972 as Addendum 1 and have now 
been incorporated in the present document.] 
lt has been approved by the Member Bodies of the following countries : 
Austria* India” 
Belgium” Ireland” 
Brazil Japan 
Czechoslovakia* Netherlands” 
Egypt, Arab Rep. of” New Zealand* 
France* Portugal 
Germany” Romania* 
South Africa, Rep. of” 
Thailand* 
Turkey* 
United Kingdom” 
U.S.A.” 
U.S.S. R.” 
* Also approved Addendum 1. 
No Member Body has expressed disapproval of the document. 
NOTE - The following International Organizations took part in the discussion of this 
International Standard at all stages of its development : 
International CiviI Aviation Organization ( I CAO). 
World Meteorological Organization (WMO). 
0 International Organkation 
Printed in Switzerland 
Standardkation, 1975 l 
iTeh STANDARD PREVIEW
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ISO 2533:1975
https://standards.iteh.ai/catalog/standards/sist/02a8e2e4-d0de-4645-8216-
79923f05d24e/iso-2533-1975
The characteristics of the ISO Standard Atmosphere have been calculated as 
functions of geometric and geopotential altitudes for altitudes from - 2 000 to 
50 000 m based on the Standard at’mospheres of ICAO 1964 and USA 1962, which 
for these altitudes were recognized as the most representative when comparing the 
current national and international Standards and recommendations on the 
atmosphere [l-4], [6-71 with the results of recent research. 
Data from this recent research have been used for calculation of the atmospheric 
characteristics for altitudes from 50 000 to 80 000 m, representing the ISO Interim 
Standard Atmosphere. 
I.. Ill 
iTeh STANDARD PREVIEW
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ISO 2533:1975
https://standards.iteh.ai/catalog/standards/sist/02a8e2e4-d0de-4645-8216-
79923f05d24e/iso-2533-1975
CONTENTS 
1 Scope and field of application ............... 
2 Basic principles and calculation formulae ............ 
2.1 
2.2 
2.3 
2.4 
2.5 
2.6 
2.7 
2.8 
2.9 
2.10 Air number density .................. 
2.11 Mean air-particle Speed ................. 
2.12 Mean free path of air particles .............. 
2.13 Air-particle collision frequency .............. 
2.14 Speed of Sound ................... 
2.15 Dynamit viscosity .................. 
2.16 Kinematic viscosity .................. 
2.17 Thermal conductivity ................. 
Primary constants and characteristics . . . . . . . . . . . . 
The equation of the static atmosphere and the perfett gas law . . . . 
Geopotential and geometric aititudes; acceleration of free fall . . . . 
Atmospheric composition and air molar mass . . . . . . . . . . 
Physical characteristics of the atmosphere at mean sea level . . . . . 
Temperature and vertical temperature gradient . . . . . . . . . 
Pressure . . . . . . . . . . . . . . . . . . . . . . 
Density and specific weight . . . . . . . . . . . . . . . . 
Pressure scale height . . . . . . . . . . . . . . . . . . 
3 Tables of the ISO Standard Atmosphere . . . . . . . . . . . . 
Page 
1 
1 
1 
2 
2 
2 
3 
3 
4 
4 
4 
4 
4 
4 
4 
4 
5 
5 
5 
5 
iTeh STANDARD PREVIEW
(standards.iteh.ai)
ISO 2533:1975
https://standards.iteh.ai/catalog/standards/sist/02a8e2e4-d0de-4645-8216-
79923f05d24e/iso-2533-1975
INTERNATIONAL STANDARD ISO 2533-1975 (E) 
Standard Atmosphere 
(identical with the ICAO and WM0 Standard Atmospheres from - 2 to 32 km) 
1 SCOPE AND FIELD OF APPLICATION 
This International Standard specifies the characteristics of 
an ISO Standard Atmosphere and is intended for use in 
calculations and design of flying vehicles, to present the test 
results of flying vehicles and their components under 
identical conditions, and to allow unification in the field of 
development and calibration of instruments. Its use is also 
recommended in the processing of data from geophysical 
and meteorological observations. 
2 BASIC PRINCIPLES AND CALCULATION FOR- 
MULAE 
2.1 Primary constants and characteristics 
The tables of the ISO Standard Atmosphere have been 
calculated assuming the air to be a perfett gas free from 
moisture and dust and based on conventional initial values 
of temperature, pressure and density of the air for mean sea 
level. The following constants and characteristics are used 
for calculations and their numerical values are given in 
table 1 : 
gr-l 
lL4 
NA 
hl 
R" 
R 
- Standard acceleration of free fall. lt conforms 
with latitude p =45’ 32’ 33” using Lambert’s 
equation of the acceleration of free fall as a 
function of latitude p [S] : 
g, = 9,806 16 (1 - 0,002 637 3 cos 2p 
+ 0,000 005 9 cos* 24 
- air molar mass at sea level, as obtained from the 
perfett gas law (2) when introducing the 
adopted valuesp,,, p,, Tn, R" (see table 1); 
- Avogadro constant, based on the value of the 
nuclide ’ *C atomic mass = 12,000, as adopted I 
in 1961 by the Conference of the International 
Union of Pure and Applied Chemistry as the 
basic atomic mass unity; 
- Standard air pressure; 
- universal gas constant; 
- specific gas constant; 
Sand& - Sutherland’s empirical coefficients in the 
equation for dynamic viscosity; 
To - thermodynamic ice-Point temperature, at mean 
sea level; 
Tl - Standard thermodynamic air temperature at 
mean sea level; 
t. - Celsius ice-Point temperature at mean sea level; 
L - Standard Celsius air temperature at mean sea 
level; 
9 
KZ- - 
eV 
adiabatic index, the ratio of the specific heat of 
air at constant pressure to its specific heat at 
constant volume; 
4-l - Standard air density; 
0 - effective collision diameter of an air molecule; 
taken as constant with altitude. 
TABLE 1 - Main constants and characteristics adopted for the 
calculation of the ISO Standard Atmosphere 
. 
Symbol Value Unit of measurement 
L 
gn 9,806 65 m-s 
-2 
M 28,964 420 kg - kmol-’ 
NA 602,257 X 1 0*4 kmoi-’ 
Pr7 101,325 X103 Pa 
1,013 250 XI03 mbar 
760 mmHg 
R” 8 314,32 J . K-’ l kmol-’ 
or 
kg. m2 . s-2. K-1 . kmol-1 
R 287,052 87 J . K-1 . kg-’ 
or 
m2. K-1 . ~5-2 
S 110,4 K 
To 273,15 K 
Tn 288,15 K 
t0 0,oo “C 
tn 15,oo “C 
ßs 1,458 X 10y6 kg . m-1 . s-1 . K-l/* 
K 1‘4 dimensionless 
Pn 1,225 kg . mh3 
0 0,365 X IO-’ m 
iTeh STANDARD PREVIEW
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79923f05d24e/iso-2533-1975
ISO 2533-1975 (E) 
2.2 The equation of the static atmosphere and the perfett 
Being static with respect to the earth, the atmosphere is 
subject to gravity. The conditions of air static equilibrium 
are determined by the equation of the static atmosphere 
which relates air pressure p, density p, acceleration of free 
fall g and altitude h as follows : 
- dp = pgdh . . . (1) 
The perfett gas law relates air pressure to density and 
temperature as follows : 
pߔT 
p=- 
tw 
. . . (2) 
At the altitudes considered in this International Standard, 
ß” 
M 
= constant = ß, then 
p=@TJ . . . (3) 
23 Geopotential and geometric altitudes; acceleration of 
In considering pressure distribution in the atmosphere it is 
convenient to introduce the gravity potential or 
geopotential @, which characterizes the potential energy of 
an air particle at a given Point. 
Any Point with x, y, z co-ordinates may be characterized by 
a Single vaiue of gravity potential 43 (x, y, z) in it. The 
surface defined by the equation 
@ (x, y, z) = constant 
is of the same potential in all Points and is called an 
isopotential or geopotential surface. When moving along an 
external normal from any Point on the surface @, , to 
the infinitely close Point where the value of the 
potential is QZ = QI + dq the work performed for shifting 
a unit mass from the first surface to the second one will be 
d@= g(h)dh . . . (4) 
hence 
.1 
‘h 
@= g(h)dh . . . (5) 
0 
By dividing the geopotential @ by the Standard acceleration 
of free fall gn, one obtains the value of a length dimension 
which, symbolized as H, will be : 
g(h)dh . . . (6) 
Expressed in metres, the value H is numerically equal to the 
geopotential altitude, which in meteorology is measured in 
so-called Standard geopotential metres’); hence, this value 
will be called geopotential altitude. The mean sea level is 
taken as a reference for readings for both geopotential and 
geometrical al ti tudes. 
From equation (6) it tan be seen that, in Order to relate 
geopotential and geometric altitudes, it is necessary first to 
find a relation between acceleration of free fall g and 
geometric altitude h. 
It is known that gravity is a vectorial summation of the 
gravitational attraction and the centrifugal forte induced by 
the earth’s rotation; it is therefore a complex function of a 
Iatitude and a radial distance from the earth’s centre and 
the expression for acceleration of free fall is generally 
awkward and unpractical for use. However, the 
acceleration g may be obtained with sufficient accuracy for 
the purpose of this Standard atmosphere by formally 
neglecting centrifugal acceleration and using only Newton’s 
gravitation law. In this case : 
g=!3n & 
( ) 
2 
. . . (7) 
where r = 6 356 766 m is the nominal earth’s radius [S], for 
which acceleration of free fall and the vertical gradient of 
acceleration at mean sea level are very close to true values 
at the iatitude 45” 32’ 33”. 
The values of g as calculated using the simplified equation 
(7) with g, = 9,806 65 m-s-2 for the altitude of 60 000 m 
does not differ by more than 0,001 % from the values 
calculated using the more accurate equation of [6]. 
Integration of equation (6), substituting for g with its 
function from (7), gives the follgwing relationship between 
geopotential and geometric altitudes : 
rh 
H=------- 
r+h 
. . . (81 
rH 
bz------- 
r-H 
. . . (9) 
24 Atmospheric composition and air molar mass 
The earth’s atmosphere is a mixture of gas, water vapour and 
a certain quantity of aerosol. Under certain conditions the 
quantity of water vapour, carbon dioxide, ozone and some 
1) The Standard geopotential metre (m’) which is equal to 9,806 65 m s 2. -2 has been adopted by the World Meteorological Organkation (sec 
Technical Regulations, WMO, No. 49, vol. 1, ed. 1971-Appendix C) and from the 1st July 1972 replaces the geopotential metre formerly in use. 
I ts value was 1 gpm = 9 8 I m%? 
2 
iTeh STANDARD PREVIEW
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ISO 2533:1975
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79923f05d24e/iso-2533-1975
ISO 2533-1975 (El 
other ingredients the contents of which in the atmosphere 
is not significant, may vary. The water vapour content 
undergoes the greatest variations; its concentration at the 
earth’s surface may resch 4 % under high temperature 
conditions and abruptly diminishes when altitude increases 
and temperature decreases. Dry clean air composition up to 
altitudes of 90 to 95 km remains practically constant and 
corresponds to that given in table 2 [6]. 
The air molar mass is determined from the perfett gas law 
(2) using the adopted Standard values of pressure pnr 
density p, and temperature Jn for mean sea level, as well as 
the universal gas constant ß”. 
TABLE 2 - Dry clean air composition near sea level 
Content of volume Molar mass M, 
% kgakmol-’ 
Nitrogen (Ni) 
Oxygen (02) 
Argon (Ar) 
Garbondioxide (CO,) 
Neon (Ne) 
Helium 1 He) 
Krypton (Kr) 
Xenon (Xe) 
Hydrogen (H 2) 
Nitrogen monoxide (N20) 
Methane (CH4) 
Ozone (03) in Summer 
in Winter 
Sulphur dioxide (SO,) 
Nitrogen dioxide (NO,) 
lodine (1 2) 
78,084 
20,947 6 
0,934 
0,031 4 * 
1,818 x10-3 
524,0 X 1 O-6 
114,0x10-6 
8,7 X 1O-6 
50,o x 1 O-6 
50,o x 1 O-6” 
0,2 x 1 o-3 
up to 7,0 x 10-6* 
up to 2,0 x 10-6* 
up to 0,l x 10-3* 
up to 2,0 x 10-6* 
upto l,oxlo-6* 
28,013 4 
31,998 8 
39,948 
44,009 95 
20,183 
4,002 6 
83,80 
131,30 
2,015 94 
44,012 8 
16,043 03 
47,998 2 
47,998 2 
64,062 8 
46,005 5 
253,808 8 
Air 
I 
100 I 28,964 420” * 
* The content of the gas may undergo significant variations from 
time to time or from place to place. 
** This value is obtained from the perfett gas law (2). 
2.5 Physical characteristics of the atmosphere at mean sea 
level 
For the calculation of the ISO Standard Atmosphere the 
mean sea level is defined as zero altitude for which the 
initial characteristics gn, pn, p, and Jn given in table 1 
apply. The remaining characteristics have been calculated 
using the initial ones as a basis and are presented in table 3 : 
a - n Speed of Sound; 
H Pn - pressure scale height; 
“n - air number density; 
vn - mean air-particle Speed; 
Yn - specif ic weight; 
*n - kinematic viscosity; 
‘n - thermal conductivity; 
I-1, - dynamic viscosity; 
c3n - air-particle collision frequency. 
TABLE 3 - Physical characteristics of the atmosphere 
at mean sea level 
Symbol / Value 1 
Unit of measurement 
an 
HPn 
/n 
“n 
Yn 
Tri 
vn 
hn 
Mn 
wn 
340,294 
8 434,5 
66,328 x 1 O-g 
25,471 X 1 Oz4 
458,94 
12,013 
14,607 X 1 O-6 
25,343 X 10-3 
17,894 X 1 O-6 
6,9193XlOg 
I-I-I-S -1 
m 
m 
rns3 
m=s -1 
N n rne3 
+ - s-1 
W . m-1 . K-1 
Pa . s 
S-l 
2.6 Temperature and vertical temperature gradient 
Thermodynamic temperature for the melting Point of ice 
under a pressure of 101 325,0 Pa is taken as J, =273,15 K. 
Thermodynamic temperature J (in kelvins, K) is : 
J=J,+t . . . (10) 
where t is the Celsius temperature. 
According to the temperature variations with altitude, the 
atmosphere is divided into several layers. 
The transitional zones between these layers are called 
tropopause, stratopause and mesopause respectively. 
For calculating a Standard atmosphere, the temperature of 
each layer is taken as a linear function of geopotential 
altitude, so that 
J= T, +P(H-H,) . . . 111) 
where T, and H, are respectively the temperature and the 
geopotential altitude of the Iower limit of the layer 
dT 
concerned and fl is the vertical temperature gradient, -. 
dH 
The values of temperature and its vertical gradients adopted 
for the ISO Standard Atmosphere are given in table 4. / - n mean free path of air particles; 
3 
iTeh STANDARD PREVIEW
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ISO 2533-1975 (E) 
TABLE 4 - Temperatures and vertical temperature 
gradients 
2.10 Air number density 
S-he air number density n, i.e. the number of neutral air 
particles per unit volume, is given by the equation Geopotential 
altitude H, 
km 
Temperature 
Temperature T, 
K 
gradient fl, 
K-km-’ NAP 
n=- 
R”T 
. . e 071 
- 2,00 
0,oo 
11 ,oo 
20,OO 
32,00 
47,00 
51 ,oo 
71 ,oo 
80,OO 
301,15 
- 6,50 
288,15 
- 6,50 
0.00 2.11 Mean air-particle Speed 
216,65 
The mean air-particle Speed i? is defined as the arithmetic 
average of air-particle Speeds obtained from Maxwell’s 
distribution of molecular Speeds in the monatomic perfett 
WS under thermodynamical equilibrium conditions 
disregarding any exterior forte, hence 
228.65 
270,65 
270,65 
214,65 
+ 2,80 
0,oo 
- 2,80 
2,00 
196,65 
p= 1,595 769dm . . a (18) 
2.7 Pressure 
2.12 Mean free path of air particles 
Assuming a linear Variation of the temperature with 
geopotential altitude, the simultaneous Solution of the 
equation of static atmosphere (1) and the perfett gas 
law (2) yields the following expression for pressure : 
An air particle between two successive collisions moves 
uniformly along a straight fine, passing a certain average 
distance / called a mean free path sf air particles. Taking 
into account the distribution of relative Speeds of colliding 
particles, the mean free patt? of air particles is defined by 
the expression 
s-l 
Inp = Inp, - - In 
T, + ßW -Hb) 
ßR ‘b 
orp=pb[l ++-Hb)] -gn’PR forßfI9 . . . (12) 
2.13 Air-particle collision frequency 
Inp = Inp, - FT (H-H,) 
The air-pa rticle col I ision 
air-particle Speed div ided 
frequency c3 
by the mean - 
is 
free 
the 
path 
, taki 
mean 
of air 
orp =pb exp [-k(H-Hb)j forß=o . . . (13) V 
me altitude, i.e. c3 =-; hence 
/ 
particles at the sa ng into 
Here subscript “b” refers t he valu es of the pertin 
characteristics to the lower lim it of the layer concerned. 
account equations (18) and (19) 
1/2 p 
s -=0,944 541x10-18n~~ 
7-1/2 2.8 Density and specific weight 
The density p is calculated from the pressure and the 
temperature using the perfett gas law : 
. . . (20) 
2.14 Speed of Sound p= p . . . 
RT 
(14) 
The of Sound a is given by the expression 
The specific weight y is the weight per unit volume of air, 
that is : a = (KR~-)“~ = 20,046 796fi . . - (21) 
Y = Pi7 m . . (15) cP 
where K: =-= 1,4. 
CV 
2.9 Pressure scale height 
This expression (21) presents the Speed of propagation of 
an infinitesimal perturbation in a gas. That is why this 
formula may not be used for calculation, for example, of 
the Speed of propagation of shock waves induced by blast, 
detonation, body motion in the air at supersonic Speed, etc. 
Pressure scale height HP is determined by the equation 
R” T RT 
H E-.-Z=- . . . 
P 
Mg 9 
(16) 
iTeh STANDARD PREVIEW
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ISO 2533:1975
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79923f05d24e/iso-2533-1975
ISO 25334975 (E) 
The concept of Speed of Sound loses its meaning with very 
intensive attenuation of Sound pulses which occurs above the 
altitude limits considered for the ISO Standard Atmosphere. 
2.15 Dynamit viscosity 
The dynamic viscosity p is defined as the value of internal 
friction between two neighbouring layers of air moving 
at different Speeds. The tables are established using the 
following equation based on the kinetic theory with, 
however, constants derived from experiments : 
ß,T 3/2 
P =- . . . 
T-I-S 
(22) 
In this equation ßs and S are Sutherland’s empirical 
coefficients (see table 1). 
Equation (22) is invalid for very high or very low 
temperatures and under conditions occurring at altitudes 
above 90 km. 
2.16 Kinematic viscosity 
The ki nematic viscosity v is defined as the ratio of the air 
dynam ic viscos ity to the air density, i.e. : 
P , ’ V =- . . . (23) 
P 
The lim its for the use of this equation are similar to those 
of the d ynam ic viscosity. 
2.17 Thermal conductivity 
The thermal conductivity X is calculated from the fol 
emP irical for *mula : 
lowing 
*- x- 2,648 151 x 1O-3 9 T3’2 
l -• T+[2454~10-(‘~‘~)] 
(24) 
f 
where X is expressed W-m-’ -K-l and T in kelvins. 
3 TABLES OF THE ISO STANDARD ATMOSPHERE 
The following tables 
coeff icients and equat 
were 
ions g 
calculated using 
iven in clause 2. 
the constants, 
Calculations were made on a Minsk-22 digital Computer and 
the calculation of separate control Points was made on 
other machines. The tables were established directly by 
digital printing devices on the Computers and have been . 
reproduced by duplicating machines in Order to reduce the 
possibility of errors to a minimum. 
Data in the tables are given in SI units except in table 5 in 
which temperatures are given in Celsius degrees and 
pressures are given in millibars and millimetres of mercury. 
NOTE - A one- or twodigit number (preceded by a plus or a minus 
sign) following the initial entry of each block indicates the power of 
ten by which that entry and each succeeding entry of that block 
should be multiplied. A Change of power occurring within a block is 
indicated by a similar notation. 
iTeh STANDARD PREVIEW
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79923f05d24e/iso-2533-1975
TABLE 5 - Temperature (T and i), Pressure (IQ, Density (p) and Acceleration of free fall (g) ISO 2533 - 1975 (E/F/R) 
in terms of geometrical altitude (h) and geopotential altitude (H) MC0 2533 - 1975 (A/@/P) 
TABLEAU 5 - Temperature (T et t), Pression (p), Masse volumique (p) et Accklkration due h la pesanteur (g) 
en fonction de l’altitude gkombtrique (IJ) et de l’altitude geopotentielle (H) 
TAMIMLJA 5 - Tewtepa-rypa (T ti f), aasneuwe (II), n,rIoTuocTb (p) II ywoperwe ~~060~~01-0 nafleHa% (g) 
B ~3;HKLWi IXOMCTpkiYWKOti (/?) H I-COKIOTeHLWLJIbHOii (f?) BbICOT 
Values in terms of geometrical altitude. Valeurs en fonction de l’altitude gkomktrique. 
3HaYeHlUi BWIkIWIH B @lYHKLWH I-eOMeTpH’-IeCKOti BbICOTbI. 
h,m H,m / 1 
I 
TA , t, OC p, mbar p,mm Hg 1 p, kg-w3 
I __ . - ._--- -- - - ---- __~ __-_ -~ _-_ _ -____ ~ ---_ -. _- --- - ------ ----- ---- - -_ _. --. ----- -- -_---. ___. - -_______ _ _ 
-2000 : 
-1950 ; 
-1900 : 
-1850 : 
-1800 : 
-l750 : 
-1700 : 
-1650 : 
-1600 : 
-1550 : 
* 
-1500 I 
4450 : 
-1400 : 
-1350 : 
-1300 : 
-1250 : 
-1200 : 
-1150 : 
-1100 : 
-1050 : 
. 
-1000 f 
- 950 : 
- 900 : 
- 850 : 
- 800 : 
- 750 : 
- 7oi) : 
- 650 : 
- 600 : 
- SS0 : 
. 
- 500 ; 
- 450 : 
- 400 : 
c 350 300 : : 
- 250 : 
- 200 : 
- 150 : 
- 100 : 
- so : 
. 
0 I 
so : 
100 : 
150 : 
200 : 
250 : 
300 : 
350 : 
400 : 
450 : 
. 
500 I 
550 : 
600 : 
650 : 
700 : 
750 : 
800 : 
850 : 
900 : 
950 : 
. . 
6 
-2001 : 301,154 : 28,004 : 1,2~?83 +3 : 9r58450 +2 : 1,4?816 +o : 9,8128 
-1951 : 300,829 : 27,679 : 1,27059 : 9,53023 : 1,4?138 : 9,812? 
4901 ! 300,504 : 27,354 : 1,26339 : 9d7621 : lt46462 : 9,8125 
-1851 : 300,179 : 27,029 : 1,25622 : 9h2243 : l,U789 : 9,8124 
-1801 : 299,853 ! 26,703 : 1,249ba : 9r3689l : 1,4SIj8 : 9,8122 
-1750 : 299,528 : 26,378 : 1~24198 : 9r31563 : 1,44449 : 9,812l 
-1700 : 299,203 : 26,OS3 : lt23491 : 9,262eO : 1,43783 : 9,8119 
-1650 : 298,078 : ?S,728 : 1.22787 : 9,20981 : 1,431!9 : 9,8117 
-1600 : 298,553 : 25,403 : Ir22087 : 9dS72f : 1,424S8 t 9,8116 
-1550 : 298,227 : 25,077 : 1‘21390 : 9,10497 t l,Jl799 : 9,8114 
. c l 0 0 l 
-1500 I 297,902 ; 24,?52 i 1,20696 +3 i 9soS292 +2 i 1,41142 +O i 9,8113 
-14so : 291,577 : 24,427 : 1,2OOOS : 9JJOlll : 1,4040? : 9,811l 
-1400 : 297,252 : 24,102 : IJ9317 : 8~94953 : 1,39835 : 9,81I0 
-1350 : 296,927 : 23,7?7 : 1,18633 : Br-820 : 1,39185 : 9,8108 
-1300 : 296,602 : 23,452 
-1250 : 296,277 : 23,127 
i 1,17952 f fL84711 : IJ8538 : 9,6107 
. 1,1?274 : 8,79626 : 1,3?893 : 9,8105 
-1200 : 295,951 : 22,801 : 1,16599 ; 8r74564 : 1,3725O : 9,8lO4 
-1150 : 295,626 : 22,476 : 1,15927: 8169526 : lt36609 : 9,89O2 
-1100 : 295,301 : 22,151 : ~15259 : 0,64512 : lJ5971 : 9,~lOO 
-tose : 294,976 : 21,826 : 1,14593 ! hfi9521 : 1,35335 : 9,8O99 
0 
; 
: * 0 . . 
l 
-1000 294,651 : 21,501 : 1,t5931 +3 i 8154554 +2 ; 
. 
'9,347O2 +o : 9,8697 
- 950 : 294,326 : 21,176 : ~13272 : 8,‘N610 : 1,34070 : 9,8096 
- 900 : 294,001 : 20,851 : lJ2616 : 8~44689 ! 1,33441 : 9,8094 
- 850 : 293,676 : 20,526 : 1,11943 : 8,39792 : 1,32814 : 9,8693 
- 800 : 293,351 : 20,201 f 1,1t313 : 8,349'17 : 1,3219o : 9,809l 
- 750 : 293,026 : 19,876 : 1,10666 : 8dOO66 : 1,31567 : 9,869o 
- 700 : 292,701 : 19,551 : ~10023 ! 8~25238 : 1,30947 : 9,8088 
- 650 : 292,375 : 19,225 : l,Og382 : 8,20432 : 1,30330 : 9,8o87 
- 600 : 292,oso : 18,900 : LOB744 : FdS649 : 1,29?14 : 9,8o85 
- 550 : 291,725 : 18,575 : 1,081lo : kl0889 : 1,291ol : 9,8083 
. e . 0 . . 
- 500 I 291,400 : 18,250 i 1,07478 +3 ; 8,06151 42 ; 1,2849o +o i 9,8o82 
- 450 : 291,075 ; 17,925 : 1,06849 : 8~01436 : 1~27881 : 9,BcSO 
- 400 : 290,750 : 17,600 : lt06224 : 7,96744 : 1,2?274 : 9,8679 
" 350 : 290,425 : 17,275 : 1.05601 2. 7~92073 : 1,2667o : 9,8O77 
- 300 : 390,100 : 16,950 : 1,04981 ? 7r’-425 : 1,26067 : 9,8076 
- 250 : 289,775 : 16,625 f 1,04365 : 7,82799 : 1,25467 : 9,8074 
- 200 : 289,450 : r6,300 : l,O?v51 : 7,78196 : 1,24849 : 9,8o73 
- 1so : 289,125 : 15,975 : 1,03140 : 7~73614 t 1,24274 : 9,8o71 
” 100 : 288,800 : 15,650 : 1,02532 ? 7849054 : 1,23680 : 9,807o 
- 50 : 288,475 : 15,325 i 1,04927 : 7,64516 l : 1,23089 : 9,806s 
. l b l . 
I 
. 
; 
l 
0 288,150 15,000 : 1,Ot33S +3 f 7,600oO +2 ; 1;22500 +O : 9,8066 
so : 287,825 : 14,675 : l,OO726 : 7~55506 : 1,21913 t 9,8065 
100 : 287,iSOO : 14,350 : l,OO129 : tr51033 : 1,21328 : 9,8o63 
1so : 287,175 : 14,025 : 9,95360 +2 : 7,Wb581 t 1,20746 : 9,8062 
200 : 286,850 : 13,700 : 9,89454 ! 7~42152 : 1,20165 : 9,8@60 
250 : 286,525 : 13,375 : 9,8sS76 : 7J7743 : lJ9587 : 9,,8059 
300 : 286,200 : ~3,050 : 9,7??27 : 7833356 : 1,19011 : 9,805? 
350 : 285,875 : 12,725 : 9,7j9O? : t.30990 ! 1,1843? : 9,8O56 
400 : 285,550 t 12,400 : 9,66114 ! L24645 : 1,1?865 : 9,8054 
450 : 285,225 : 12,075 : 9,6O350 : L20321 : 1‘17295 : 9,8o53 
. . . 8 . l b . 
so0 : 284,900 ; ?l,fSO : 9,54613 +2 ; 7~16019 +2 : 1,16727 +O i 9,8051 
SS0 : 284,575 : 11425 : 9,489b4 : 7dl737 : lJ6162 : 9,80s0 
600 : 284,250 : 11,lOO : 9,4~223 : 7,07476 : 1,15598 : 9,8048 
650 : 283,925 : 10,775 : 9,37570 : LU235 : lJ5037 : 9,8o46 
700 : 283,601 : 10,451 : 9,34944 : 6,99016 : IJ4470 : 9,804s 
750 : 283,276 : ?0,126 : 9,26346 ! 6894017 : IJ3921 : 9,8043 
800 : 282,951 ; 9,801 : 9,2O775 : b90638 : IJ3366 : 9,8042 
850 : 282,626 : 9,476 : 9,15231 : 6,86480 : l,t2813 : 988040 
900 : 282,301 : 9,151 : 9,09715 : 6882342 : lJ2261 : 9,8o39 
950 : 281,976 : 8,826 : 9,O4225 : LT8225 : IJ1733 : 9,8d37 
s . . . . . * . l . . . 
iTeh STANDARD PREVIEW
(standards.iteh.ai)
ISO 2533:1975
https://standards.iteh.ai/catalog/standards/sist/02a8e2e4-d0de-4645-8216-
79923f05d24e/iso-2533-1975
ISO 2533 - 1975 (E/F/R) 
IE0 2533 - 1975 (A/@/P) 
Values in terms of geopotential altitude. Valeurs en fonction de l’altitude geopotentielle. 
3HaYeHklFI BUIMYklH B @YHKIJMH ~eOIIOTeH~Z4aJIbHOti BbICOTbI. 
H, m h, m 1 T, l( 
1 I 
I 
t, OC i 
i 
p, mbar 1 p,mm H,a pv kg-mq3 / g,mc2 
I I 
-2000 : 
-1950 f 
-19QO : 
4850 : 
4800 : 
-l?§O : 
-ttoa : 
46SO : 
4600 : 
-1550 f 
0 
-1sao ; 
44So : 
-1400 : 
-1350 : 
-1300 : 
-1250 : 
-1200 : 
4150 : 
-1100 : 
-1050 : 
c 
-1000 ; 
- 950 : 
- 900 : 
- 850 : 
- 800 : 
- 750 ; 
- 700 : 
- 650 : 
- 400 : 
- 550 : 
+ 
- 500 ; 
- 450 ; 
- 400 : 
- 350 : 
- 300 : 
- 250 : 
- 200 : , 
- ISO : 
- 100 : 
a 50 : 
9 
0 I 
so : 
100 t 
ISO : 
200 : 
250 : 
300 : 
350 a 
400 : 
450 : 
6 
5QO I 
SS0 f 
400 : 
650 t 
?bO : 
no : 
800 : 
850 ; 
9OQ ; 
950 ; 
P * 
-1999 : 301,150 : 28,060 f t,2??74 +3 : 9,58382 +2 : 1,4?808 +o ; 
-1949 ; 300,82S ; ?t,wS 
9,8i28 
f 1,2?OSl : 9852958 : 1,4m30 : -1899 : 300,50~ : 21,550 : rJd331 : 9,47559 94127 
: I,4bUS : 
-1849 ; ;JofJ,vg : 2?,02s : 
9,812s 
1,2S614 : 9~42186 : : 
-it99 299,850 
1,45782 
: * 26,?00 : ?,24901 : 9~36836 
9,812d 
: 1,45tt1 : 
-VS0 : 299,525 ; 26,StS : r,2419l 
9,8122 
: 9dtQ2 : 
-1too 299,200 
t,44443 : 9,8121 
: : 26,050 : 1,2348S : 9,26212 ! l,lrl377? 
m1650 t 298,Bts ; 25,t2S f 1,22781 
: 9,81\9 
: 9120936 : 1,43114 : 
29a,55() 2S,400 : iJ2081 
9,8ll? 
-1600 : : : 9,'13685 : 
-1sSQ 
1,42452 : 
: 298,225 : 25,075 : 
9,811a 
t,2?384 e 9rlO458 : l,41794 : 9,8114 
. . . 4 
-1500 I 
0 0 b 
297,900 ; 24,730 : lJQ691 +3 ; 9,05255 +2 I 
-1450 291,stg 24,425 
1,4113t +a I %8113 
: r r 1,20000 : 9#008?6 : l,40483 : 9,81’11 
-1400 : 297,250 f 24,100 : Ir19313 t 8,94922 : : 
-1350 296,925 2?!,tts 
1,39831 
: : : 
9,8110 
IJ8629 t 8,89791 ! : 
-1300 
IJ9182 9,8108 
: 296,600 : 23,450 : IJ7948 : 8~84685 : 1,38535 : 4250 9,8t0? : 296,275 
: 
23,125 : 1,1?2t0 : 8,?96Oj 
: : 
-1200 
1,31890 9,810s 
: 295,950 : 22,800 : l,rnb596 : 8,74541 : 1$7247 : 
-1150 
9,8104 
: 295,625 : 22,475 : IJ5924 : b’-So!i : : 
-1100 : 295,300 1 22,lSO f 1,152sa 
1,366ot 
: 8,64493 
9,8102 
: 1,35969 : 
4050 : 294,9t5 : 21p825 : 
9,8100 
l,f4591 : hS9So4 : : c b t 
1,35333 9,8099 
l 
l . b * 
-1000 : 294,650 ; 2P,506 : 1,13929 +s ; bS4538 +2 ; 
- 950 294,325 21,175 
1,34700 +o ; 
: : : 
9,8oW 
1,13270 t 8,49S96 : 
- 906 
1,34068 
: 294,000 : 20,850 f l,r26U ! 0‘44Wl 
: 9,8o96 
! a,334’59 : 
- 850 t 293,675 : 2Q,525 : Ll)961 
9,8o94 
: 8239781 : ’ 4 
- $00 : 293,350 : 26,200 : 1,Ij312 : 8,34908 
1,32813 9,8o93 
: : 
- 950 293,025 19,815 : 1,1066S 8,30058 
t,32188 9,8091 
: : ! : 
- 700 
: 
: 292,POO 
1,31566 9,81)98 
: 19,$50 : l,lOQ22 : 8,25330 : 1,30946 : 
- 650 : 292,375 f 19,225 : ?,09382 
9,8088 
: 8,20426 : 1,3Q329 : 
- QOO : 292,050 : 18,900 : l,Qt44 
9,8087 
: kl5644 b 0 
- 550 18,575 
: ,297lS 
: 29i,t25 : : l,Q8\09 
9,8085 
: kl0884 I 1‘29flbO : 9,8083 
4 l . . b 
w 500 I 
0 
291,4bf) ; f8,250 : 1JQ47t c!!! r 
9 . 
8r06348 +2 : 1,28489 +(j ; 
* 450 : 291,uts 
9,8082 
: ft,925 : :,06849 : 8,01433 : 
- 4QO 290,750 
1,2788o : 
: 
9,@08Q 
: ft,600 f 1,06223 : hg6741 : 
- 350 jf,2?5 
1,2?2?4 : 
z 290,425 : : 1,0560l 
9,8679 
: 7,92072 : 
- 300 : 390,100 16,450 
1,26669 
z : 1,0~;981 t b87424 
: 9,8Ott 
: : 
- 25Q : 289,715 ; 16,625 : 1804344 
1,26067 9,8076 
: ?,82790 : : 
- 200 : 289,450 
1,254ot 
: )6,3QO : 1p03ts1 
9,8ot4 
: ?,78195 : : 
- 150 : 209,125 : f5,97S : 1,03140 7,*736lS 
1,24869 9,8Q73 
t : 
- 100 288,800 15,650 : 7,69054 
1,24214 : 
t 1,02532 
9,807) 
: : : f,23680 : 
m 50 : 208,475 f 15,325 : l,Q$927 
9,807o 
: 7,64516 : 1,23089 : 9,8668 0 * , l b 4 . 
0 F 288,150 ; 15,000 : t,Q1325 +3 i tD~0000 +2 I 50 c 207,825 14,6ts : j,Oot26 1,225~0 +f) ; : ! fP55S05 9,8066 
: : 
~uo 28t,SOo 
1,219g 9,806s 
: : 14,350 : 1,0Q129 ! 7r51033 : : 1SQ : 28t,V5 : 14,025 : 9095359 1,21328 9,81)63 +2 : 7r46581 
f 200 : 0 286,850 
: 
13c no : 9,89453 1,20746 7,42151 9,8062 
: : 256 286,52S 13,JtS 1,20165 : : 
: 
: 9,83S?S 9,8060 
; 
7037’742 
: 300 286,2Oa 13, BS0 : 9,77?26 1,19507 : : : : 7r333SS 9,8OS9 
: 350 2&8ts f2,?2S : 9,11904 1,19011 : : : : 'td8906 9,80S? 
: 
400 2SS,55D 
l,l8436 : 9,8OS6 
: f r2,croo : 9,h!alI : 7124643 : : 450 f 285,225 : f2,0t§ : 9,60346 IJ?864 9,8Q54 : 7r2a319 
: 1,1?295 : 9,8053 0 b . b 
SO0 I 
z . 
284,90~ ; jt,tSQ I 9,54-8 +2 i 7d6015 +2 ; +I) ; 
550 11,425 
lJ6727 
: 284,S?5 : i 9,48899 
9,8051 
: hl1733 : 
600 204,250 ll,lOO : 
1,161bl : 9,8oso 
: : 9,43217 4 ?,0147~ : : 
650 : 283,925 JO,ttS : 9,37562 ; 
1,)5598 9,8648 
: Fr03230 : : 
700 : 283,600 : 10,4SO t 9Jf936 b99009 
lJ5036 9,8044 
: : : 
750 283,275 10,125 
lJ4477 
: 9,26336 bd4809 
9,8045 
: : : : 1,139r9 : 
800 
9,8Q43 
: 282,950 : 9,000 : 9,20764 : b90630 : . 
850 
IJ3364 ‘ 9,8o42 
: 282,625 : 9,475 : 9, t5219 ! br864t1 : : 
900 : 282,3QO : 9,150 : 9,097Ol 
l,l2811 9,804O 
P f4%2332 : : 950 : 281,975 IJ2260 9,8039 : 8,025 : 9,Q4210 5 bt8213 
t r,11q1 : 
l . 
. 
9,eas7 
4 
l * 
e tc 9 . . 
7 
iTeh STANDARD PREVIEW
(standards.iteh.ai)
ISO 2533:1975
https://standards.iteh.ai/catalog/standards/sist/02a8e2e4-d0de-4645-8216-
79923f05d24e/iso-2533-1975
ISO 2533 - 1975 (E/F/R) 
MC0 2533 - 1975 (A/Q/P) 
TABLE 5 (continued) 
TABLEAU 5 (Suite) 
TAE;JIMLI,A 5 (npobomcenue) 
Values in terms of geometrical 
3HaYeHm Benmm B @YHKQEIH 
altitude. Valeurs en fonction de l’altitude gkomktrique. 
IXOMeTpWIeCKOfi BbICOTbI. 
! 
1 $ 1 
t, “C / p, tnbar j p, Im-l-l Hg ; p, kgmg3 , . -* I i 
iß m s 
1000 : lUO0 : 
1050 : 1050 : 
1100 : 1100 : 
1150 : llS0 : 
1200 : 12OC : 
1250 : 1250 : 
130‘0 : ln?O : 
?350 : 13so : 
1400 : 1400 : 
1450 f 1450 : 
. . . 
?SOO : 1500 ; 
!55C : lS50 : 
1600 : lbC0 : 
1650 : 1650 : 
1701 : 1780 : 
1750 : 17SO : 
18c)O : 1799 : 
1850 : 1849 : 
19cc : 1899 : 
1950 : 1949 ; 
. . 9 
zu00 I 1999 : 
2050 : 2.049 : 
2lUC : 2V99 : 
2150 : 2149 : 
22co : ?199 : 
2250 : 2249 : 
2300 ; 2299 : 
2350 : 2349 : 
24co : 2399 .: 
2450 : 2449 : 
. 4 
2500 I 2499 ; 
2550 : 2549 : 
2600 : 2599 : 
3650 : 2649 : 
27co : 2699 : 
2750 : 2f49 : 
28W : an9 : 
2850 : 2849 : 
2990 : 2899 : 
2950 : 2949 : 
t . 
3000 I 2999 I 
3050 : 3049 : 
3100 : 309F : 
3150 : 314e : 
3200 : 319E : 
3250 : 3248 : 
3300 : 329E! : 
3350 : 334e f 
34co : 3390 : 
3450 : 3448 : 
0 e 
3500 I 3498 : 
3550 : 3548 : 
3600 : 35913 : 
3630 : 364e : t 
3700 : 369e : 
3150 ; 374e t 
3800 : 3798 : 
3850 : 384E! : 
3900 f 389e t 
3950 : 3940 : 
281,651 : 
281,326 : 
2ei,oot : 
280,676 : 
280,351 : 
280,027 : 
219,702 ! 
2?9,3?7 : 
279,052 : 
3?0,?2f : 
278,402 : 
27&0?7 : 
271,753 : 
27'1,428 f 
277,103 ; 
2?6,7?8 : 
276,453 : 
276,128 t 
215,804 ; 
275,479 : 
. 
275,154 ; 
2?4,829 : 
2?4,505 ; 
2?4,10 ; 
2?S,055 ; 
2?-3,530 1 
275,205 : 
2?2,001 : 
2?2,556 ; 
2?2,2J5 ; 
271,906 : 
271,582 : 
271,251 : 
270,932 : 
2?0,407 : 
F?O,283 : 
269;958 : 
269,633 : 
269,309 : 
268,984 : 
268,659 : 
268,335 : 
2643,010 : 
267,695 : 
267,360 : 
26?,@36 : 
246,?11 : 
266,386 ; 
266,062 : 
im‘737 : 
265,413 : 
2as,cQ3 : 
264,763 : 
264,439 : 
264,114 : 
263,?89 : 
263,465 : 
263,240 : 
X2,816 : 
262,491 : 
8,501 : 9,98763 42 : 6,74128 +2 : t,lll66 +o : 9,Ba36 
8,176 : 9,93327 1 6dCOSO : 1,10621 : 9,8034 
7,851 : 0,0?9!0 : b65993 : l,l00?9 : 9,ffOZJ 
1,526 : R,82O6 : 6,61956 ! 1,09538 : 9,8031 
?,201 : 8,77180 : 6,57939 : 1808999 l ' 9,8629 
6,877 : 8JjeU : 6rS3942 : 1,08463 : 9,8O28 
6,552 : 8,66548 : 6,49964 : 3,07928 : 9,8026 
6,227 : 8,6t271 : 6,46006 : l,U?396 : 9,802s 
5,902 : 8,56020 : 4t42ua : 1,06865 : 9,8023 
5,5?7 : 8,5(.?795 : 6~18149 : IJ16337 : 9pm22 
* 4 . . * 
5,251 : 8,4559? +2 : 6,342Sd +2 i 1,05810 +o- ! 9,8021! 
4,927 : 8,40424 : 6,303?!! : 1,05286 : 9,80$9 
4,603 : kW277 : 6,26SB9 : 1,84764 : 9,8017 
4,278 : 8,30155 : 6~22668 : 1,04243 : 9,8@16 
3,953 : 8,2so- : 6,M8CS : 1,03725 : 9,8014 
3,628 : 8,1g989 : $,15042 : 1,o3208 : 9,8013 
3,303 f 8.14943 : bll258 : 1,02694 : 
2,979 
9,so:1 
: 8,09923 ! 6107493 : 1,02181 : 9J3sc9 
2,654 : 8,O4929 : 6,03746 : l,Ol6?1 : 9,8008 
2,329 : 7,99959 : bUOOl9 : 1,01162 : 9,8c?Ob . l * . 8 
2,004 : ?,95@14 +2 I 5,96310 +2 ; l,oa655 +O I 9,8005 
1,679 : ?,9o(y?4 : 5,92619 : 1,?!0151 : 9,8oo3 
1,355 : ?,85199 : 5,8894$ : 9,964?9 -? : 9,80O2 
1,030 : 7,8O329 : 5,8s294 : 9,91471 : 9,moo 
OJO5 : ?,?5483 : 5dl660 : 9,86483 : ?,?999 
0,380 : ?,?0661 : 59713043 : 9,RiSJ3 : 9,7997 
0,055 : ?,65864 : 9,7444S : 9,7bS63 : 9,?936 
- 0,269 : tp6t09i : S,70865 : 9,71632 : 9,7994 
” c,s94 : ?,5@42 : L67304 : 9,6&72! : 9,7992 
- c,919 : ?,51618 : 5,6V60 : 9,6182e : 9,?991 
l Y 
4 
. r 
i 
- 1,244 : ?,46917 &2 ; L60234 +2 ; 9,5wsc -1 : 9,?999 
- 1,568 : t.42241 : St56726 : 9,52100 : 9,?988 
- 1,893 : ?,3?588 : S,S3236 : 9,47264 : 9,?986 
I ;@;:3 
- 2;867 
: : ?,32959 : 3,49764 : 9,42447 : 9,?985 
?,28353 : 5,4631t1 : 9,3?649 : 9,798s 
: 7,23771 : Sr42873 : 9,32870 : 9,tw!2 
- 3,192 : ?,lq?13 r 9,39454 : 9,28130 : 9J9m 
- 3,517 : 7,14678 : h36Os2 : 9,23368 : 9,?9?9 
- 3,841 : ?,lbl66 : Sn32668 : 9,18645 : 9,?97? 
- 4,166 : ?,05677 : St29301 : 9,13940 : 9,?976 
0 4 . . 
l . 
- 4,491 : t,Ot212 +2 : L2S952 +2 i 9,^92S4 -1 i 9,79?L 
- 4,8lS : 6,96?69 : S,22420 : 9,04587 : 0,?973 
- §,140 : 6,92349 : 5,19J04 : a,9993a : 9,7972 
- 5,465 : 6,B?952 : 5,16006 : 0,9530? : 9,?969 
- 5,790 : 6,$3578 : 5~2725 : 8,9D694 : 9,?96P 
- 6,114 : 6,79226 : S,O946] : 8,8616@ : 9,?96b 
- 6,439 : b,74897 : S,O6214 : 8,81524 : 9,?965 
- 6,?64 : 6,70590 : Sr02984 : 8,76967 : 9,?063 
- 7,088 : 6,66366 : 1,9977O : 8,?2427 : 9,?962 
- ?,41’3 f 6,62044 : hg6574 : e,679@5 : 9,796O 
. l 
4 
. . 
. 
- ?,73’t : 6,f>te04 +2 : hg3393 +2 : 563402 -1 ; 9,7959 
- 8,062 : 6,53586 : 4,90230 : E,58916 : 9,795? 
- 8,387 : E,49390 : 4,87083 : e,54449 : 9,7956 
- e,711 f 6,452lQ : b83952 : e,49999 : 9,7954 
- 9,036 : 4,4~g64 : ha0837 : 8,4556? : 9,?952 
- 9,361 : 6,36933 : G77739 : : 
- 9,685 
0,41?53 9,?9St 
: 5,3282S : 4,74658 ' 
; 
8*36756 : 9,?949 
-10,010 : 5,28737 : h71592 f!,323?7 : 9,?940 
-10,334 : 6,246?2 : 4,68§42 : &26Qb : 9,7946 
-10,659 = 6,20027 : 4,6SSo9 : 8,23673 : 9,794s 1 
. + . l 6 . . . 
8 
iTeh STANDARD PREVIEW
(standards.iteh.ai)
ISO 2533:1975
https://standards.iteh.ai/catalog/standards/sist/02a8e2e4-d0de-4645-8216-
79923f05d24e/iso-2533-1975
LSO 2533 - 1975 (E/F/R) 
MC0 2533 - 1975 (A/@/P) 
Values in terms of geopotential altitude. Valeurs en fonction de l’altitude geopotentielle. 
3HliYeHMFI BWfMYklH B a)YHKLJRkl IXOIIOTeHI@WIbHOii BbICOTbI. 
/ T, K ) t, O@ / p, mbar / p, mimHgTpmmp. kg.m-3 / g, m.s-21 
- .- 
lt!00 : 
1050 : 
2100 0 
2150 : 
1200 : 
1250 0 
?SOC : 
1350 : 
1400 : 
1450 : 
l 
1500 ; 
1550 : 
1400 : 
1650 : 
l?CO : 
1750 : 
1800 : 
1850 : 
‘1920 : 
1950 : 
4 
NO0 ; 
2050 : 
2100 : 
2150 : 
2200 : 
2250 : 
2300 : 
23s : 
2400 : 
2450 : 
* 
2500 I 
2SSQ : 
2600 : 
2650 : 
2700 : 
27S0 : 
28CO : 
2850 : 
2900 : 
2950 : 
. 
3000 ; 
3050 : 
3100 : 
3150 ; 
WC0 : 
3250 : 
3300 : 
3350 : 
3400 : 
3450 : 
. 
3590 I 
3550 : 
36C0 : 
3650 : 
37CO : 
3750 : 
38QO : 
3850 : 
3900 : 
3950 : 
1000 : 281,650 ; 
1050 : 281,325 : 
11cc : 281,690 : 
115c : 280,675 ; 
rmc : 2e0,3s0 : 
1250 : 280,025 : 
tmo : 279,700 : 
1350 : 279,375 : 
1400 : 279,053 : 
1450 : 278,725 : 
* . . 
1500 : 2?0,4QO ; 
1550 : 278,075 : 
6600 : 277,750 : 
1650 : 27?,425 ; 
1700 : 277,100 : 
IPSO t 276,775 : 
1801 : 276,450 : 
1851 : 276,125 : 
1901 : 27s,eo0 : 
1951 t 215,475 : 
* e 
2001 I 275,15f) I 
2051 : 274,825 : 
21c1 : 274,500 : 
2151 : 274,175 : 
220 2 : 273,850 ; 
2251 f 273,525 : 
230 1 : 273,200 : 
2351 : 272,8?$ : 
2401 : 272,550 : 
2451 : 272,225 : 
0 . 
256 1 i 271,900 : 
2551 t 271,575 f 
260 1 Y 271,250 : 
2651 : 270,925 : 
2701 : 270,606 : 
275'1 ; 270,275 : 
2801 : 269,950 : 
2851 : 269,625 : 
2901 : 269,3!‘!0 : 
2951 : 268,935 : 
. . . 
3001 : 268,650 ; 
3053 : 268,325 : 
3102 : 368,OQf) : 
3152 : 26p,675 : 
32c2 : 267,350 : 
3252 : 267,025 ; 
3362 : 266,tCO : 
3352 : 266,375 : 
3462 : 266,050 f 
3452 : 265,725 : 
l . 
3562 I 245,400 ; 
3552 : 265,075 : 
3602 : 264,750 : 
3652 : 264,425 : 
3702 : 264,100 : 
3752 f 263,775 : 
3802 : 263,450 ; 
3852 : 263,125 : 
‘3902 : 262,eOa : 
3952 : 262,475 : 
. 0 . . 
e,aoo : 8,98746 +2 : 6,741lS 42 : IJ1164 +O : 9,8036 
8,175 : a,933as : 6,70036 : 1,106?9 : 9,8634 
f,8SQ : 8,87898 : 6,659?8 : l,lO~t~ : 9,sa33 
7,525 : 5,82513 : 6,6194C : l,U95$6 : 9,yfN1 
7,200 : 8,77156 : bS?921 : l,O8997 : 9,8029 
6,8?5 : 8Jt824 : 6,53922 : 1,08460 : 9,802~ 
6,S50 : BD66529 : 6,49943 : 1,07925 : 9,8C26 
6,225 : 9,63241 : 6145984 : 1,0?393 : 9,8025 
5,9oQ : 8,55988 : 6,42044 : I,O6862 : 9,8023 
5,575 : 8,50?61 : 6,38123 : 1,06333 : 9,8022 * * 
l 
0 . 
. 
5,250 : E?,45560 +2 : 6,34222 +2 ; 0 ; 9,8020 
4,925 
1,05807 
: @,4fj385 : 6,30340 : 1,05282 : 9,8ct19 
4,600 : 8.35235 : 6,264?8 : 1,04?59 . . 9,m17 
4,275 : 8,301ll : 6,22635 : 1,04259 . 9,8@:6 
3,950 : 8,25013 : 6,18812 : l,OS720 ; 
3,625 
9,80!4 
: 6,19940 : bd5006 : 1,03203 : 9,8023 
3,300 : 8,14892 : 6rll219 : ljo2688 : 9,8Cll 
2,975 : 8,09870 : 6~07452 : 1,021?6: 9,0009 
2,650 : &04872 : 6~03704 : 1,03665 : 9J300e 
2,325 : 7,999OO : 5#99974 t l,O\l96 t 9,8oQ6 
. l 0 . . 
2,000 : 7,9q9ci2 +2 i 5,96263 +2 ; 1,00649 +O ; 9,800s 
1,675 : ?,~0029 : 5,92571 : 1,00144 : 9,8023 
1,350 : 7,8513l : 5,88897 : 9,96410 -1 : 9,8002 
1,025 : 7,80258 ! b85242 : 9,91399 : 9,800~ 
C,7OQ : ?,QpN9 : SA31605 t 9,86407 : 
0,375 
9,?999 
: 7,7@84 : 4,7?986 : 9,61434 : 9,?997 
0,04~ : 7,65784 : 5,74385 : 9,76481 : 9,??96 
- 0,275 f 7,6?2)08 : 5JoMK5 : 9,7154? : 9,?994 
- O,bbO : ?,562S7 : s,67239 : 9,666$2 
- C,92s ; ?,5?529 
t 9,?992 
’ . 5,63693 : 9,61736 : 9,799j 
9 0 . b * b 
- 1,250 : ?,Q825 +2 : ?,6OlbS +2 ; 9,56859 -1 ; 9,79e9 
- 1,575 : 7,42145 : 5,S6655 : 9,520Ol : 9,7988 
- 1,900 : ?,37489 : 5,S3162 : 9,4?161 : 9,?9@6 
- 2,225 : ?,32857 : he9688 : 9,42341 : 9,?905 
- 2,sL;o : t.28240 : b46231 : 9,37540 : 9,?983 
- 2,875 : 7,23663 : 5842792 : 9,32757 : 9,!982 
- 2,200 : 7,19101 : 5,593to r 9,2?992 : 9,t980 
- 3,525 : 7,14562 : 5135966 : 9,23247 : 9,?9?9 
0 2,850 : 7,l?jo47 : ha2579 : 9,18520 : 9,?977 
- 4,175 : 7,OSSSS : SA9209 : 9,13812 : 9,?976 
. 0 * b . 
- 4,seo : ?,OqO05 +2 ; S,258St +2 I 9,09122 -1 ; 9,7974 
- 4,825 : 6,96639 : 5,22s22 : 9,04450 : 9,?9?2 
- 5,150 : 6,92236 : hl9204 ’ 
; 
0,99797 : 9,79?t 
- 5,475 : 6,8?815 ; hl5904 8,95162 : 9,?969 
- 5,800 : 6,83437 : 5~12620 : 8,96546 : 9,7968 
- 6,125 : 6,79082 : 5,09353 : 8,8S94e : 9,?966 
- 6,450 = 6,74?49 : Sr06103 : 8,81368 : 9,796s 
- 6,irts : 4,70438 : 5,02670 : 8,76806 : 9,?963 
- 7,100 6,66150 : hg9654 : : 
- 7,425 
f 8,72262 9,?962 
’ b 6,61884 l 4,9045’4 : 8,67736 3 9,?960 
0 . 9 b l 
- 7,750 : 6,57641 +2 : 4,932?l *2 ; 8,6322? -1 ; 9,7959 
- &075 : 6,S3429 : 4#90105 : Q,58739 : 9,?957 
- 8,400 i 6,49229 : 4,869SS 0 8,54267 : 
- 8,125 
9,?95S 
9 6,45041 : 4,%382l : 8,49813 : 937954 
- 9,050 : 6,40885 : 4,80704 : : 
- 9,375 
0,453?6 9,7952 
f 6,36751 : 4,77603 : 8,40958 : 9,795l 
- 9,700 : 6,32638 : 4,74Q8 : 8,36557 : 9,7943 
-!c!,O25 : 6,28547 t 4,73449 : 8,321?4 t 9,7948 
-‘10,350 : 6.24478 : 4,6839? : t 
-10,675 
8,27808 9,?946 
: 6,20429 : 4,63360 : 8,23460 : 9,7945 
l c 
. 
* l 
. . . 
9 
iTeh STANDARD PREVIEW
(standards.iteh.ai)
ISO 2533:1975
https://standards.iteh.ai/catalog/standards/sist/02a8e2e4-d0de-4645-8216-
79923f05d24e/iso-2533-1975
ISO 2533 - 1975 (E/F/R) 
I-WO 2533 - 1975 (A/Q>/P) 
TABLE 5 (continued) 
TABLEAU 5 (Suite) 
TAWIM~A 5 (npobomcerrue) 
Values in 
3HaYeHm 
terms of 
BWIkIYIIH 
geometrical 
B@YHKLIHH 
H, m 
altitude. 
reoMeTp 
Valeurs en fonction 
WECKOji BbTCOTbI. 
de l’aititude geometrique. 
7-9 u 
t 1 I 
t, OC [ p, mbar 
l 
1 p,mm Hg i Q, kgms3 [g, m.s-2 \ 1 
4000 : 3997 
4050 : 4o4t 
4100 : 4097 
4150 : 4147 
4200 : 4197 
4250 f 4247 
4300 : 4297 
4350 : 4347 
4400 : 4397 
4450 : 4447 
4500 ; 
4550 : 
4600 : 
4650 : 
4t00 : 
4750 : 
4800 : 
$850 : 
4900 : 
4950 : 
a 
5000 : 
soso : 
SlOO : 
5150 : 
5290 : 
SZSO : 
5300 : 
SS50 : 
5460 : 
5450 : 
5500 ; 
SS50 : 
5600 : 
5650 : 
$700 : 
5750 : 
5800 : 
5850 : 
5900 : 
5950 : 
6000 : 
6050 : 
6100 : 
6150 : 
6200 : 
6250 : 
6300 : 
6350 : 
6400 : 
6450 : 
6500 ; 
6SSO : 
6600 : 
6650 l 
6700 : 
6750 : 
6800 : 
Se50 : 
6900 : 
695d : 
4497 
4547 
4597 
4647 
4697 
4746 
4796 
4846 
4896 
4946 
4996 
5046 
5096 
5946 
5196 
5246 
5296 
5346 
3395 
5445 
5495 
5545 
5595 
5645 
5695 
5745 
5795 
5845 
5895 
5944 
5994 
6044 
6094 
6144 
6194 
6244 
6294 
6344 
6394 
6443 
6493 
6543 
6593 
6t43 
6693 
6743 
6793 
6843 
6893 
6942 
: 262,166 : -lC,984 : 6,16604 +2 : 4,62491 +2 : mt : 
: 261,842 : -11,308 
8~9317 9,7943 
: 6‘12602 : 4,59490 : 
-11,633 
&t5038 t 9,7942 
: 261,517 : : 6,08622 : 4,56S04 : 8,10747 : 9,794a 
: 261,193 : -!1,9S7 : 6.04662 : ~vS3534 : 8,06473 : 9,7939 
: 260,868 : -12,282 : b,Qb?23 ! 4,50579 : 8,02216 : 
: 260,543 : -t2,607 : 
9,?937 
5,96805 : b67641 : 7,9?9?7 : 9,?936 
: 260,219 : -12,931 : 5,92908 : 4,447a0 : ?,9373§ : 
: 259,894 : -13,256 : 5,89032 
9,7934 
: 4,418~ : 7,895So : 
: 259,570 
9,7932 
: -~3,580 : 5,85~?6 : 4,38918 : : 
: 259,245 -13,905 8 
7,85363 
5,8t340 h36041 
917931 
: : : ~,~1192 : 9,'p929 . . . 0 b . 0 * 
: 258,921 ; -14,229 : SB71526 +2 ; 4,33180 +2 ; ; 
: 258,596 : -14,554 
7,77~58 ,ml 9,7928 
: 5,73731 : 4*30334 : 7,72902 : 
: 250,212 
9,t926 
: -t4,ete I 5,69957 : 4.27503 : 7,68782 : 9,?925 
: 257,947 : -15,203 : 5,6$203 : 4r24687 : 7,646?9 : 
: 257,623 : -15,527 
9,7923 
: 5,62469 : 4,21886 : 7,66593 : 
: 257,298 -15,@54 : 5,58?55 
9,7922 
: : 4,19101 : : 
: 256,974 : -16,176 5,55061 
7,56524 
: 
9,7920 
: 4,16330 : 7,52472 : 9,?919 
: 256,649 : -\6,501 : 5,51387 : 4,ns74 : 7,48436 : 93917 
: 2S6,32s : -16,825 : 5,47732 : hUH33 : 7,44417 : 9,791$ 
: 256,000 : -p7,1EiO : 5,44098 : 4?08107 : 7,404lS : 9,799a 0 . . 0 . . . a 
; 
. 
: 255,676 -17,474 : 5,40483 +2 ; 4005395 ?2 : 7,36429 c’I ; 
: 255,351 
9J912 
: -17,799 t 5,36887 : 4,02698 : 7,32439 : 
: 255,027 
9,?911 
: -18,123 : §,a3311 : 4,00016 : 7,28506 : 9,7909 
: 254,702 : -18,448 : 5,2gPS4 : 3,97348 : 7,245to : 9,79d8 
: 254,378 : -18,772 : §,26217 : 3894Q95 f 7,2Q649 : 9,7906 
: 254,053 : -19,097 : 5,22699 t L92es6 : 7,1b745 : 9,790s 
f 253,729 : -t9;421 : SJ9200 : he9432 : 7,12858 : 9,7363 
: 253,404 : -19;tO : 5,15?20 : 3,86822 : 7,089$6 : 
: 2=,oQ 
9,7902 
: -20,070 : 5,1;02s9 : LU223 : 7,05151 : 9,?900 
: 252,755 : -20,395 : 5,08fj96 : 3~81644 : 7,01292 : 9,7899 * . b e 0 l . . 
: 252,431 ; -20,719 : 5,05393 +2 ; 3v79076 +2 ; 6,97$69 -1 ; 
: 252,106 
9,7897 
: -21,044 : s,Oj988 : ad6522 : 6,93662 : 
: 251,782 
9,7095 
: -21,JM : 4,98602 : 3973902 : : 
: 251,458 
Q,8’3Wl 9,7e94 
: -21,692 : 4,95235 1 L71457 : 6,86095 : 9,tesz 
: 251,133 : -22,017 : 4,91886 : 3,6894s : 6,02336 Q 9,789l 
: 250,809 : -22,341 t 4,885SS : ah6447 : 6,70593 : 9,7889 
: 250,484 : -22,666 : 4,85243 : 3,63962 : 6,748bS : 
t 250,16(j : -22,990 : 
9,7008 
4,81949 : 3,61492 t ’ l 9,?886 
: 249,836 
6,73153 
: -23,314 : 4,78673 t 3,5903s ! : 
: 249,511 : -23,639 : 4,75416 
6,674St 9,7005 
: 3,54591 : 6,637?6 : 9,?883 . . 0 
; 
0 . 
I 249,107 I 
e 
S,t2f76 +2 i 
. 
-23,963 3r54161 +2 : 6,601jl -1 ; 9,7882 
: 246,862 f -24,288 : 4,6$95S : 3P5174S : 6,56462 : 9,788O 
: 248,538 : -24,612 : 4,657Sl : 3,49342 : 6,52828 : 9,3879 
: 248,214 : -24,936 : 4&565 : 3,46952 : E,49210 : 9,?877 
: 247,889 : -25,261 = 4,S9396 : 3,44579 : 6,45607 : 
247,565 -25,585 4,56246 
9,?8?S 
: : : : L42212 : 
: 247,241 : -25’,909 
6,42Ot9 
! sr39863 
f 9,78?4 
: 4,53113 : 6,30447 : 9,?872 
: 246,916 : -26,234 : $49997 : 3,37526 : 
: 246,592 : -26,558 f 4,45899 
6,34890 
! 3,5!5202 
: 9,?871 
: 6,3*348 : 9,7869 
: 246,267 : -26,883 : 4,43818 : ad2891 : 6,21821 : 9,786~ 
l . 
. 
: 
* 
b b b 
245,943 ; -27,20! : 4,4075s +2 ; 3,30593 +2 ; 6,24310 s-1 : 
-27,531 : 4,37?08 
9,7866 
: 245,619 : : 3~28308 : 
245,294 
6,20813 i 9,786S 
: : -27,856 : 4,34679 : 3B26036 : 6,1?352 : 
244,970 -28,180 4,31667 
9,?863 
: : : : 3J3777 : : 
: 244,b46 : -28,504 : 4,28672 38~1530 
6,13Bb6 9,?862 
: : : 
: 244,322 : -28,e28 : 4,25693 : 3,19296 
6,1041S 9,786O 
: 6,06978 : 9,7059 
: 243,997 : -29,153 : 4,22732 : 3,17075 d : 
: 243,673 ; -29,477 : 4,19787 3,14866 
6,03557 9,785? 
: : : 
: 243,349 
6,00150 9,7855 
: -29,801 : 4,\6859 : ad2670 : : 
: 243,024 
5,96758 9,7854 
: -30,126 : 4Jy94P : 3,10186 : 5,93381 : 9,7852 . . . . . e l . . e . . 
10 
iTeh STANDARD PREVIEW
(standards.iteh.ai)
ISO 2533:1975
https://standards.iteh.ai/catalog/standards/sist/02a8e2e4-d0de-4645-8216-
79923f05d24e/iso-2533-1975
ISO 2533 - 1975 (E/F/R) 
MC0 2533 - 1975 (A/@/P) 
Values in terms of geopotential altitude. Valeurs en fonction de l’altitude geopotentielle. 
3HWEHMcI BWIHYEIH B cf>yHKIjHH l-eOIIOTeHLJMUIbHO$i BbICOTbI. 
7 
I i I T,K I t, YI 
f 
1 
i 
p, mbar’ 1 p, mtn Hy < p, kg-w3 i g, mC21 
$500 ; 
4550 : 
$600 : 
4650 : 
4700 : 
47SO ; 
4800 : 
4850 j 
4900 : 
4950 : 
5000 f 
5050 : 
St00 : 
‘150 : m 
,200 0 
hso : 
5300 : 
s3so : 
5400 .: 
S45O : 
3500 I 
SS50 : 
54uo : 
5690: 
5700 ’ 
5730 ; 
9800 : 
5850 : 
S9OO : 
sc350 : 
6000 f 
6050 : 
6900 : 
6lSO ; 
6200 : 
6250 : 
6300 : 
635O : 
64OO : 
6450 : 
6500 : 
6550 : 
6560 : 
6650 : 
67OO : 
675O ; 
6800 : 
6830 : 
6900 ; 
6950 : 
4 
4503 
4553 
4603 
4653 
4703 
4754 
4804 
4854 
4904 
4954 
SO04 
5OS4 
s io-4 
5 154 
5204 
SZSS 
5304 
53s 
5405 
545s 
: 262,150 : 
: 261,025 : 
: 261,530 : 
: 261,V~ : 
: 260,85O : 
: 26O,S25 : 
t 260,200 : 
: 259,8?5 : 
: 2S9,5So : 
: 239,225 : 
e e 
; 258,9OO ; 
: 258,S7g : 
: 2S8,2SO : 
t 257,92$ : 
t 251,600 : 
: 257,275 : 
: 2S6,9SO : 
: 256,625 ; 
: 256,300 ; 
: 255,915 : 
e . 
; 2S5,650 : 
: 255,325 ; 
: 255,000 : 
: 254,673 : 
: 254,350 6 
t 254,025 ; 
: 253,7OQ : 
t 2533,3?5 f 
: 253,OSO : 
: 252,725 : 
* . 
l 
’ 252,4Oo ; 
I 252,cts : 
: 251,750 : 
: 251,423 r 
: 2Si,lOO ; 
: 250,775 : 
: 250,45O : 
: 250,125 ; 
: 249,800 r 
: 249,475 : 
s l 
* 
: 249,lSo : 
: 248,825 : 
’ 248,5Q : l 
: 248,175 : 
: 24?,8SO t 
: 247,525 ; 
: 247,2Qq ; 
: 246,875 ; 
: 246,550 : 
: 246,22s : 
l b 
F 
t 245,9Qg ; 
: 245,575 ; 
: 24S,25~ : 
: 244,925 ; 
: 244,600 : 
b 244,275 t 
: 243,950 ; 
: 243,625 : 
: 243,300 : 
f 242;97~ : 
0 , 
l 
5505 
5SSS 
5605 
5655 
S?OS 
57ss 
5805 
5855 
5905 
5956 
6006 
6056 
61O6 
4 156 
6206 
625% 
6306 
6356 
6406 
64St 
6SO7 
6557 
66O7 
6657 
67O7 
6757 
6807 
6857 
Q9Of 
6958 
-lt,000 : 6,164O2 ‘2 ! hm40 +2 : 8,19129 -1 + 
-11,325 
9~943 
: 6,12396 : 4,59335 : 8J48~6 : 9,?942 
-‘ll,6§0 : 6,0$412 : 4,saca : 
-11,9?5 
8,lOS2O : 
: b,Q448 
9,?91b 
: 4,533?3 : 8,O6242 : 
-12,300 : 6,005OS 
9,?93@ 
: 4,5Q416 : : -12+25 8,01981 : 5,96583 9,?93? : 4,4?4?4 
; 7,9?737 t 9,793s 
-12,950 : 5,92682 : 4914540 : 7,93SlO : 
“13,ZPS 5,@88Ol 
9,?934 
: ! 4,41637 : 7,89300 : 9,?932 
-&600 : 5,84941 : 4,30742 f 7,8Sld8 : 
-13,925 
9,793l 
: S,8jl02 : 4r35862 : ?,80933 : $ 9;?929 
l 
* b 
: SJ7283 +2 ; 4,3299$ +2 ; 
. 
-14,2SQ -1 ; 
q4,sts 
7,76774 9,?928 
: s,75404 : 4,3a149 : 
121315 
7,?2633 0 
-14,900 : St69706 
9,7926 
4 @ : 7,68508 : 
-15,225 = 
9,792s 
5’,bS948 : 4,24496 : 
-jS,sso 
7,644ol : 
: S,62210 4,21692 
9,7923 
: : : -15,87$ 7,60310 : S,S8.4.92 9;7922 : 4~18903 : 
7,56236 
: 
-lb,ZQO : 5,54794 
9,?920 
: hl6129 : 7,52178 : 
-16,525 : S,StllS 
9,7918 
: 4,133?? l ?,40138 
-l6,850 : 5,47457 I 
: 9.,?9y? 
: 481~626 : q7,?7S : S,438?8 4,O?897 7,44114 9,7915 : : 
7,4O106 
: 
0 
9,?914 
e e b l 
-17,500 : 5,40199 +2 { 4,QS183 *2 : ?,36116 -1 ; 
-17,825 
9,7912 
: 5,3$599 : 4,02482 : ?v321dl : 
-18,150 : SJ3019 
9,7911 
: 3,99797 : 7,28183 : 
-98,475 
9,?969 
f SJ9458 : Zb9712.6 : : 
-t8,8oO 5,25917 
IJ4242 9,7908 
: : 3b94470 -19,rnS : it,22394 7,2OSlb : : 3,9182& 9,7966 : : 
f,lb4V 
: 
9,?905 
-19,450 : 5,18891 : 3,89200 : 
-j9,7fS 3,essei 
7,12SjS : 9,7903 
: $13407 ; : 7,O8638 :, 9,7901 
-2b,wJ : 5,1?942 : 3r83988 : : -20,425 7,04?78 : 5,084?5 9,79OO : Jo~d4OS : 
7,Ob934 
: 
9,7898 
. 
-2OJ5.0 i 
e . b 
5,Os068 +2 i 3,78832 +2 ; -1 ; 
-21,OtS 
6,971OS 
: S,O1659 3,?627j 
9,7897 
. @ : 6,93293 : 9,?89S 
-21,400 : 4,98269 : 3,73732 : ’ 
-21,72S : 4,94897 bTtZd?5 
6,89497 
i 
9,?094 
: : -22,050 : 4,93544 : 3,68688 6,05717 9,?892 : 
-22,375 
6,819S2 
: 
9.7891 
: 4,W3210 t 3r66187 : 6,782O4 : 
-22,760 : 4,8@393 3,bWoo 
9,?869 
: : 
-23,025 
6,?44?1 : 
: 4,8tS9S : 3,61226 
9,788s 
: : -23,350 : 4,783tS : 
-23,67ji 
3,58?6$ b,UIts4 9,7886 : : 
9,188s : 4,75054 3,S6326 6,67053 ; : 
6,63367 : 9,?663 
t c 0 b . 
-24,000 : 4,7t0lO +2 i 3,S3887 u2 ; -1 ; 
-24,325 
6,5969? 9,7@81 
: 4,68584 : 3,51467 : : -24,650 : 4,6$577 b,se042 : 3r49061 9,?880 : 
-24,9?5 6,524Ob 
: 
: 4,62186 +46668 9,7070 : 5 
-25,300 6,48780 
t 
: 4,5gai4 : 3,44289 9,7077 ! 
-23,625 : 4,5S8S9 
6,451?1 
t $41923 
: 9,787S 
: : 
-25,950 
6,41S79 
: 4,52722 3r39SIO 
9,7874 
: : : -26,275 : 4,49603 : 3,3723O 9,?872 : 6,380ol 6,34439 : 
-26,600 : 4,46561 
9,?8?1 
4 3,34903 : -26,925 6,30892 : : 1,43St6 : 3r32S89 9,7869 : 6,27360 : 
. 
9,7868 
b . 6 0 * 
-27,2SO : 4,40348 +2 : 3130288 +2 i ; 
-2?,5?S 
-1 
: 4,37298 
6,2$84$ 9,7866 
! 3r28000 : 6 ;20342 : 
-27,9.00 f 4,34265 
9,786s 
! b25725 : 6,16856 : 
-28,225 : 4,31249 
9,7863 
: 3,2346?5 : 6,13384 : 9,786l 
-28,5So : 4,28249 : 3,21214 : . 0 
-28,875 f 
6,09928 
4,2S267 : bi8977 
9,786O 
: : 
-29,200 : 4,22JO2 f,latS2 
6,06486 9,?8S8 
: : f4G!b060 : 
-29,525 : 4,19353 
9,78S7 
’ 3,14541 : l -29,850 : 4,1&421 i 3,12342 S,99648 9,7055 : 
-30,175 4~3506 
5;96251 I 
9,1054 : : 3810355 f 
S,92068 
: 
9.7852 
. 9 0 P . . . . 
11 
iTeh STANDARD PREVIEW
(standards.iteh.ai)
ISO 2533:1975
https://standards.iteh.ai/catalog/standards/sist/02a8e2e4-d0de-4645-8216-
79923f05d24e/iso-2533-1975
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