■ Technical parameters

▲ The instrument has a new dual-winding PT transformer test function, and no external load box is required for testing.

▲ The instrument has a self-boosting voltage transformer standard with multiple conversion ratios, and the accuracy level reaches 0.02. It can accurately verify the error of the power voltage transformer under the voltage of 1200V and 2400V.

▲ Comprehensive instrument error: 0.05%

▲ Accuracy grade range of the measured voltage transformer: 0.2, 0.5, 1

▲Internal standard voltage transformer part:

a. Range of transformation ratio:

       6kV/100V, 6kV/ √3100V/ √3

       10kV/100V, 10kV/ √3100V/ √3

       35kV/100V, 35kV/ √3100V/ √3

       66kV/100V, 66kV/ √3100V/ √3

       110kV/100V, 110kV/ √3100V/ √3

       220kV/ √3100V/ √3

b. Accuracy level: 0.02%

c. Working voltage: 0V~2400V

d. Output capacity: 50VA

▲ Internal transformer calibrator part

a. Traditional measurement range:

       In-phase component (%): 0.0001~3.0 Resolution: 0.0001

       Orthogonal component (minutes): 0.001~99.9 Resolution: 0.001

b. Measuring range of low school height method:

       In-phase component (%): 0.0001~200.0 Resolution: 0.0001

       Orthogonal component (minutes): 0.001~999.9 Resolution: 0.001

       Admittance (ms): 0.0001~59.9 Resolution: 0.0001