300V Automatic Energy Meter Calibration Equipment Three Phase Accuracy 0.05 120A

Automatic Energy Meter Calibration Equipment high accuracy 0.05 120A 300V three phase

KE8302M  Automatic Energy Meter Calibration Equipment

Accuracy : 0.05 , Used for the test of three phase CT/PT meter with a accuracy class below 0.2, and can also test single phase meter if adding an isolation voltage transformer.

Main features:

1. Forward and reverse active energy / forward and reverse reactive energy error test
2. Creeping and starting test
3. Standard deviation, 24 hour variation test
4. Timing error test
5. Influencing quantity test of voltage, frequency, harmonic
6. Calibration and verification of constant
7. Auto protection of short circuit of voltage, open circuit of current, and overload.
8. Test of neutral current (optional)
9. Auto mark locking increases the efficiency of test
10. Full automatic, semi automatic and manual operation available
11. Adopt multi-serial port system, realizing the parallel communication of computer and the tested meters( optional)
12. Test of tilt impact (optional)
13. Register indicating value, register combination error test
14. Powerful computer management system, easy and user-friendly
15. Perfect database management makes the storage, searching, and viewing of the data possible, and the data can be converted and exported in other forms

Main Specification:

Output voltage
Limit: 57.7V / 100V / 220V / 380V
Adjustment range: 0~120%Un
Adjustment fineness: rough adjustment 10%;
intermediate adjustment 1%;
fine adjustment 0.1%;
Wave distortion: ≤0.3%
Phase shift influence: ＜0.1%
Load variance ratio: ≤±0.3% full rate value (pure resistance, sensibility, compatibility)
Accuracy rate of the monitor: 0.3% (or 0.03%) ±2 characters

Output current
Limit: 0.025A -- 120A, automatic grade seeking
Adjustment range: 0 -- 120%In
Adjustment fineness: rough adjustment 10%;
intermediate adjustment 1%;
fine adjustment 0.1%;
Wave distortion: ≤0.3%
Phase shift influence: ＜0.1%
Load variance ratio: ≤±0.3% full degree value (pure resistance, sensibility)
Accuracy rate of the monitor: 0.3% (or 0.03%) ±2 characters
 

Output phase
Adjustment range: 0.01°-- 360°
Adjustment fineness: rough adjustment 10°;
intermediate adjustment 1°;
fine adjustment 0.1°;
micro adjustment ≤0.01°
Load variance ratio: ＜±0.3°
Accuracy rate of the monitor: 0.3°±1 character
 

Output frequency
Adjustment range: 45.000Hz -- 65.000Hz
Adjustment fineness: rough adjustment 1Hz;
intermediate adjustment 0.1Hz;
fine adjustment 0.01Hz;
Load variance ratio: ＜±0.5%
Accuracy rate of the monitor: 0.01Hz