0.05 single-phase AC/DC standard source, can verify magnitude 0.2 and the following AC/DC voltmeter, ammeter, frequency meter, resistance meter.

GF1061 portable CT PT analyzer is mainly used for field or lab testing, it can finish the measurements (M) and protection (P) class CT, PT and TYP class CT.

Test-630 is a six phase current output and six phase voltage output protection relay tester with 5.Eight pairs of binary input and four pairs of binary output.

GF312V2 is with comfort design, small size, and light weight. It is suit for electric power departments, measuring and quality examining departments and electric lab to field use.

GF302D is used to test each kind of single/three phase kWh meter. Meanwhile, the calibrator also can be used as one high precision standard power source.