Null indicator F5046/1
Also this device can be called: F-5046/1, F 5046/1, F-5046-1, F 5046 1.
F5046/1 null indicator is intended for use as an index in balance and compensation measuring bridge circuits alternating current and for other similar purposes.
Normal range of frequencies - from 30 Hz to 61 Hz.
Sensitivity of the device to the input voltage:
- in the normal range of frequencies - at least 5 mm·wk./V;
- at 25 Hz - 0.1 mm·wk./mcV.
Selectivity null indicator F5046/1 for third harmonic - not less than 60 dB.
Null indicators are three stages of reduced susceptibility to 30 dB.
Accuracy of reduced susceptibility of each stage - not more than ±3 dB.
Deviation of the index from zero, and the background noise caused - not more than the value corresponding to the input voltage of 0.3 mV.
Active input impedance - not less than 600 Ohm.
The asymmetry of the input circuit voltage - not less than 80 dB.
Response time - no more than 4 seconds.
Power consumption - 10·A.
Dimensions - 120×190×195 mm.
Weight of null indicator F5046/1 - 3 kg.
Operating conditions F5046/1:
Ambient temperature - from +10° C to +35° C.
Relative humidity at +25° C - 80%.
Mains voltage - 220±22 V.
Supply frequency - from 49 Hz to 61 Hz.
Harmonic content - up to 5%.
The manufacturer guarantees compliance null indicators F5046/1 requirements of the applicable technical specifications under normal use, transportation and storage.