Testing Equipment for Single Phase Watthour Meter (DDJ E2 )

Detailed Product Description

Specifications:
1. Accuracy level:  DDJ-E2 level 0.05, DDJ-E2  level 0.1
2. Output voltage: 240V   
a) Regulating scope: 0-120% consecutively adjustable
b) Regulating fineness: better than 0.01%
c) Special voltage range can be setup according to users' orders
3. Current range: 0.1A, 0.25A, 0.5A, 1A, 2.5A, 5A, 10A, 20A, 50A, 100A
a) Regulating scope: 0-120% consecutively adjustable
b) Regulating fineness: better than 0.01%
4. Output power:
a) Voltage loop: DDJ-24E2 500VA
b) Current loop: DDJ-24E2 800VA
5. Stability of output voltage, current and power:
a) ≤0.02%/120S: PF=1 (level 0.05 type)
b) ≤0.05%/120S: PF=1 (level 0.1 type)
6. Wave distortion of output voltage and current: ≤0.5%
7. Symmetry of three phase: better than 120 + 0.3
8. Frequency range: 45 - 65Hz, regulating fineness 0.1Hz
9. Phase shifting range: -180.0 ~ 180.0, regulating fineness: 0.1
10. Standard crystal oscillator stability: ≤10-7/s
11. Indicating instruments class:
a) Voltmeter and ammeter accuracy: level +0.5%
b) Phase meter accuracy: +1
c) Cymometer accuracy: +0.1Hz
12. Maximum meters for test: 24
13. Power supply: 3 x 220+10%~50Hz
14. Maximum power consumption: DDJ-24E2 1,500VA
15. Working environment:
a) Temperature: 20+5
b) Relative humidity: ≤85%
16. Dimensions and weight (DDJ-24E2): 2,380 x 710 x 1,900mm, 350kg