Wattmeter D37, D37 kilovattmetr (D 37, D-37)
Wattmeter D37, D37 kilovattmetr designed to measure active power in AC circuits with frequency: 50Hz, 500Hz, 1000Hz, 4000Hz, 8000Hz and 10000Gts.
Dimensions - 120h120h125mm.
Accuracy class - 2.5.
Technical characteristics of the devices wattmeters D37, D37 kilovattmetry:
The devices are designed to measure active power in AC circuits with frequency: 50Hz, 500Hz, 1000Hz, 4000Hz, 8000Hz and 10000Gts.
The device is designed in a tropical version for use in areas with air-conditioned and partially air-conditioned.
Class of instrument accuracy wattmeter D37, D37 kilovattmetr - 2.5.
Acceptable basic error ± 2,5% of measuring range.
The variation of the readings of the wattmeter D37, D37 kilovattmetr not exceed 3.75% of range.
The final value of the measurement range and method of use, are shown in Table.
Devices wattmeter D37, D37 kilovattmetr designed to work in a horizontal position.
Settling time moving part 4c.
The change of reading due to ambient temperature deviation from the normal for every 10 K does not exceed ± 2,0%;
- Under the influence of external magnetic field - does not exceed ± 5,0%.
The system unit power meter D37, D37 kilovattmetr electro.
Dimensions - 120x120x125mm.
Weight - 1.0 kg.
Working hours wattmeter devices D37, D37 kilovattmetr refusal to 24,500 hours.
Table finite value of measuring range and method of use, power meter D37, D37 kilovattmetr
Footnote. I, U - voltage and rated current of the transformer primary current and voltage transformer.