Wuhan GDMK Electric Co., Ltd.

Product description:

Frequency conversion transformer comprehensive tester is mainly used for ?eld testing, it can ?nish the measurements (M) and protection (P) class CT, PT and TYP class CT. Adopt LCD, self-equipped mini type printer supporting ?eld printing; supporting to use USB ?ash disk to dump data, with simple and convenient operation.

Technical index:

Electrical parameters

Accuracy 0.05%, 0.1%

Power supply AC 220V±10% or AC 110V±10%, 50/60Hz

Excitation output voltage 0-220Vrms

Excitation output current 0-5Arms (20A peak-value)

Automatic frequency variation range 0.1-60Hz

Equivalent excitation voltage =5000V

Accuracy =0.5% (0.2%RD+0.3%RG)

Secondary winding DC resistance

measurement Range 0.1-300O

Accuracy =0.5% (0.2%RD+0.3%RG)

Secondary actual load

measurement Range 5VA-1000VA

Accuracy =0.5% (0.2%RD+0.3%RG)±0.1VA

CT/PT phase error measurement Accuracy ±4min

Resolution 0.01min

CT ratio error measurement Range 1-30000

Accuracy =0.5%

PT ratio error measurement Range 1-10000

Accuracy =0.5%