The device "Coefficient-3.3 allows to measure simultaneously for three phases for transformers of all schemes and connection groups according to GOST 30830:
-transformation ratio;
-no-load losses at low voltage;
-short-circuit resistance;
-voltage and current;
- power factor;
- frequency of the measured voltage (current)
- phase angle between voltage and current.
It is produced in two versions:
- standard (operating temperature range from 5?C to 40?C);
- Northern (operating temperature range from minus 15?C to 55?C),
has improved construction and moisture resistance.
It has:
- manual or automatic selection of measurement limit;
- programmable number of measurements with indication of the average value;
- non-volatile memory for 200 measurement results;
- galvanically isolated RS232 interface for connection to a computer.
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