Voltage:
Measuring range: 0.5V- 10V
Errow range: 0.2 grade current within full measuring range
Curent:
Measuring range:0.1A -10A
Errow range :0.2 grade capacity within full measuring range
Measuring range:10KVA- 6300KVA
Errow range: transformer capacity testing 10%
Frequency:
Measuring range:45Hz - 65Hz
Errow range :±0.05Hz within full measuring range