Detailed Product Description

DDJ-E2 Testing Bench for Single Phase Energy Meter

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°C
b) Relative humidity: ≤85%
16) Dimensions and weight (DDJ-24E2): 2,380 x 710 x 1,900mm, 350kg