precision standard current transformer
	The standard current transformer used to verify the 0.01 level the following current transformer. The standard current transformer is a winding, secondary windings. Features: Users can specify criteria on the nameplate current ratio for verification. Can be 5 / 5 or 1 / 1 current ratio from the school. The instrument with castors for easy transportation. Specifications: Temperature: -5 ℃ ~ +40 ℃ Humidity: ＜80% Capacity: 5VA Power Factor: COSφ = 0.8, 1.0 Rated current to allow long-term work, 150A over mandrel Standard current ratio: 0.1A ~ 20000A/5A, 1A Primary current: 0.1A ~ 20000A Secondary current: 5A or 1A, it can be two-transformation ratio 1A and 5A