№

The name of measurements with indication of object and scope

Metrological requirements

Note

Range of measurements

Maximum permissible error or class of accuracy

1

2

3

4

5

In the field of civil aviation

1.

Measurement of meteorological optical visibility range

10 m – 100 km

± 50 m to 600 m ± 10% of 600 m to 1500 m ± 20% over 1500 m

Error relative

2.

Measurement of height of the lower bound of clouds

0 m – 7500 m

± 10 m (33 feet) to 100 m (330 feet) ± 10% over 100 m (330 feet)

Error relative

3.

Measurement of the directions of shift of air flow

from 0 to 360 °

± 10 °

4.

Measurement of speed of shift of air flow

from 0 to 75 m/s

from 0,5 of m/s (1 node) to 5 m/s (10 nodes) ± 10% over 5 m/s (10 nodes)

Error relative

5.

Measurement of atmospheric pressure

From 5002 to 1080 gp

± 0,5 of gp

2 Taking into account climatic features of airfield of the meteorological equipment devices with the smaller ranges can be included

6.

Measurement of temperature of air

from minus 80 to plus 60 °C

± 1 °C

7.

Measurement of relative humidity of air

from 0 to 100%

± 5% at temperature above 0 °C, ± 10% at temperature below 0 °C

Error relative

8.

Measurement of coefficient of coupling

from 0 to unit 1,0 Ksts.

± 0,01

Ksts-coupling coefficient

In the field of highways

9.

Measurement of length in case of determination of extent of sites (highways in operation)

Less than 1000 m More than 1000 m

± m 0,1 ± m 1,0

GOST 33475

10.

Measurement of flatness of covering (highways in operation)

(0 - 200) mm

± mm 0,1

ST OF PK 1219 PR OF PK 218-03

(0 - 200) cm/km

The given error ± 10%

GOST OF 33101 ST OF PK 1219 PR OF PK 218-03

On the international index of flatness (IRI) (0 - 10) m/km

The given error ± 2%

GOST OF 33101 ST OF PK 1219 PR OF PK 218-03

11.

Measurement of the steepness in case of determination of bias of sites (highways in operation)

± 120 per milles

± 3 per milles

GOST OF 33475 JOINT VENTURES OF PK OF 3.03-101 JOINT VENTURES OF PK 3.04-101

12.

Measurement of size of angle of rotation (highways)

± 180 ° ;

The given error ± 1 °;

GOST OF 33475 JOINT VENTURES OF PK 3.03-101

13.

Measurement of size of radius of turn (highways)

(10 - 3000) m

The given error ± 10%

GOST OF 33475 JOINT VENTURES OF PK 3.03-101

14.

Measurement of height of elements of microprofile of surface of covering (highways)

(0,001 - m 0,150)

Relative error ± 10%

GOST 33101

15.

Measurement of depth of track of covering (highways)

(0,003 - m 0,150)

± m 0,002

GOST 32825

16.

Measurement of size of elastic deflection of covering (highways)

(0,2 - mm 1,5)

The given error ± 5%

GOST OF 32729 ST OF PK 1377

17.

Measurement of thickness of covering (highways)

(0,05 - m 0,50)

± m 0,02

JOINT VENTURE OF PK 3.03-101

18.

Measurement of coefficient of coupling of the tire of the vehicle with paving

(0,1 - 0,7)

The given error ± % 0,05

GOST OF 33078 ST OF PK 1279

19.

Measurement of visibility range of route signs

(0,3 - 150) m

The given error ± 1%

GOST OF 32945 GOST OF 32946 ST OF PK 1125

20.

Measurement of brightness in case of determination of level of brightness of paving (highways)

(10 - 2·10-5) cd/m2

Relative error ± 10%

GOST OF 33176 GOST OF 33175 ST OF PK OF GOST P 54305