6
3.13. The limits of the admitted additional error of RMT, caused by temperature changing of
surrounding air from normal (20
±
5) С up to any other temperature in limits of (+5 - +40) С for
each 10 С of temperature changing , do not exceed
0,5 % in the part of quantity record and 0,5 of
the limits of admitted basic error measured quantities in the part of measurements
3.14. The limits of the admitted additional error of RMT, intended for working with
thermoelectric converters caused by a temperature change in their free ends in a range (+5 - +40)С,
do not exceed
±
1 % in the quantity record part and do not exceed the limits of the admitted basic
error of measured quantities in the part of measurements.
3.15. The limits of the admitted additional error caused by changing of the supply voltage
from nominal (220V) in limits (187 - 242)V, do not exceed
0,5 % in the art of the quantity
record and 0,5 of the basic errors of measured quantities in the part of measurements.
3.16. The limits of the admitted additional error of RMT, caused by the effect of constant
magnetic fields and (or) of network frequency variable fields with intensity up to 400 А/м do not
exceed
±
0,5 % in the part of quantity record and 0,5 of basic errors of measured quantities in the
part of measurements.
3.17. Limits of the admitted additional error of RMT, caused by influence of the transverse
interference voltage of an alternating current with effective significance equal to 50 % of maximum
significance of the electrical input signal of RMT, acting between any input measuring clips in
consequence with a useful signal and having any phase angle, do not exceed
±
0,5 % in the part of
quantity record and 0,5 of the basic errors of measured quantities in the part of measurements.
3.18. Limits of the admitted additional error of RMT, caused by an influence of the
longitudinal interference voltage of a constant or alternating current with effective significance
equal to 100 % of maximum significance of the electrical input signal of RMT, acting between any
measuring clip and an earthen case and having any phase angle, do not exceed
±
0,5 % in the part
of quantity record and 0,5 of basic errors of the measured quantities in the part of measurements.
3.19. The area of the setting task corresponds to the range of measurements.
3.20. The limit of the admitted basic error of operation of the signaling system does not
exceed the limit of the admitted basic error of measured quantities.
3.21. The limit of admitted additional error of operation of the signaling system caused by a
temperature change of surrounding air from a normal one up to anyone in working temperature
limits for each 10С of temperature changing, does not exceed 0,5 of the admitted basic error limit
of the signaling system operation.
3.22. The limit of the admitted basic error of operation of the signaling system caused by a
supply voltage changing from nominal one up to any one in limits of the working conditions of
using, does not exceed 0,5 of the limit of the admitted basic error of the signaling system operation.
3.23. The RMT mains supply is carried out from an alternating current source with frequency
of (50
±
1)Hz and voltage of (220
22
33
+
−
)V.
The capacity, consumed by RMT from an alternating current source at rated voltage, does
not exceed 15 А.
3.24. RMT electrical circuits isolation concerning its case withstands during 1 minutes a test
voltage action of practically sinusoidal wave form of 1500V and a frequency from 45 up to 65 Hz at
normal conditions and 900V and a frequency from 45 up to 65V at the temperature of (25
3)С
and at relative humidity of ( 90
±
3) %.
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