GF112B single phase electricity meter calibrator is suitable to test various types
single phase electricity meters error on site and also can be used to test alternating
current parameters - U, I, P, Q, S ,F, E etc.
features:
accuracy : 0.2%;
warming-up time:<5 min;
use AAA type, Li rechargeable battery, it can work 20 hours continuously;
range:0-300V;0-120A;
frequency:45-65Hz