Portable set of calibration equipment is the portable working standard for verification a.c, d.c. electric devices without its dismantling in both laboratory and field conditions, measuring d.c. resistance of accuracy rating 1,0 and lower, namely: testers, ammeters, voltmeters, including electric boards, ohmmeters, reed frequency meters of vibrating systems. Operational temperature range is +5 °C up to +40 °C.

Name	Value
Output sine wave voltage, V	1,5…600
Output sine wave current, A	0,005…10
Frequency of output sine wave signal, Hz	50; 400
Output direct voltage, V	0,075…600
Output direct current, A	50·10-6…10
Instability of output voltage and current (during 1 minute), % 0,2	0,2
Output voltage for verification of frequency meters of vibrating systems, V	36…220
Frequency of output signals for verification of frequency meters of vibrating systems, Hz	45…55
Measured resistance, Ohm	1…107
Error of output voltage for verification of frequency meters of vibrating systems and measured resistance, %	1
Power	220 V, 50 Hz and 400 Hz or with 12 V accumulator (operating time of accumulator 2 h)
Working power, not less, W	70
Total weight, kg	36

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