HJ series standard voltage transformersDetailed product description：

HJ series standard voltage transformer

1. High accuracy voltage transformers ranging from 0.0005 to 0.001 levels
Rated voltage ratio: 60-600V/100V
Accuracy level: 0.0005-0.001 level

Features: High accuracy, good stability
Purpose: Used to expand the voltage range of 0.005-0.01 level digital power meters such as C1-1 and C1-2.
Application: It has been adopted by the National Institute of Metrology and the China Electric Power Research Institute in the national energy benchmark device and the highest three-phase energy standard device of the power system, to expand the voltage range,
It has been widely used in the metrology and power sectors.

2. Portable precision voltage transformer
Rated voltage ratio: 6 (6/), 10 (10/) KV/100V (100V/)
Accuracy level: 0.02-0.01 level
Features: Small size, light weight, easy to carry
Purpose: Used as a calibration standard for voltage transformers
3. Precision voltage transformer
Rated voltage ratio: 60-750V/100/~150V
Accuracy level: 0.005-0.05
Purpose: Used for installation on precision electric energy meters or electrical measuring instruments inspection tables or for precision measurement
4. Small and micro high-precision voltage transformers
Rated voltage ratio: 60-600V/3V, 1V
Accuracy level: 0.001-0.02 level
Features: High accuracy, small size, light weight
Purpose: For installation in digital power meters
Application situation: It has been installed in the 0.01~0.1 level digital power meter produced by the manufacturer.
5. 0.0002 level high-precision dual stage voltage transformer
Rated voltage ratio: 10KV/100V
Accuracy level: 0.0002 level
Features: High accuracy, good stability
Purpose: Used as a voltage ratio standard for calibrating standard voltage transformers of 0.001 level and below.
6. Multi channel isolated precision voltage transformer
Rated voltage ratio: ① 220V (power supply)/220V (multiple channels)
② 60-100-220-380V/60-100-220-380V (multiple channels)
Accuracy level: 0.01 to 0.05
Characteristics: Accurate and reliable
Purpose: Used for electric energy meter calibration platform