High-voltage measuring system UPU-22
Also, this device can be called: UPU 22, UPU22.
UPU-22 high-voltage measuring system - adjustable high voltage source AC and DC with integrated gauges, used to diagnose dielectric withstand voltage up to 5 kV DC or AC currents to estimate the leakage current and resistance to the protective earth.
Application: in the development and production of radio and electrical products in research institutes, testing laboratories, repair shops and / or enterprises.
Output voltage range:
- DC - from 0 kV to 2 kV;
- AC - from 0 kV to 5 kV.
Error limits installations - ± 3%.
The load current - at least 1 mA.
Leakage current isolation - from 0,05 mA to 20 mA.
Tripping current range - from 101 mA to 140 mA.
The maximum permissible errors current measurement - ± 10%.
Amplitude value of the ripple voltage of 5 kV with respect - no more than 5%.
Failure time of the output voltage of the UPU-22 protection trip - no more than 1 s.
The adjustment range built-in power AC - 10 A to 25 A.
Error limits the internal power AC - ± 5%.
Resistance measurement range of protective grounding - 0,01 ohms to 0,10 Ohm.
Error limits protective earth resistance - ± 5%.
Dimensions - 460x220x480 mm.
Weight - 35 kg.
Principle of the installation of the UPU-22 is based on converting the AC voltage 230 V through the step-up transformer in the DC and AC adjustable autotransformer. At the same time, the resistance measurement is performed using the built-meter and adjustable AC source.
Operating conditions of the UPU-22:
Ambient - 10º C to 35º C.
Relative humidity at 25º C - 80%.
Pressure unit - from 84 kPa to 106,7 kPa (630 mm hg to 800 mm hg).
AC voltage - 230 ± 23 V.
The frequency of the AC - 50±0,5 Hz.
Power consumption units - not more than 700 V·A.
Warm-up time - no more than 5 minutes.
Time of continuous operation - at least 8 hours.
MTBF UPU-22 - not le