JWT9203 counting and withstand voltage test bench for single-phase multifunction watt-hour meter is a new-generation withstand voltage test bench for watt-hour meter. This device is applicable to the counting and withstand voltage test on single-phase watt-hour meters. It’s counting function adopts internationally advanced new-generation digital power source, is designed with both combinable and splittable high-voltage outputting and testing assemblies, its test process can be performed both manually and automatically. All these features meet well current market demand for watt- hour meter's counting and withstand voltage test.
Technical Parameters WITHSTAND WDLTAQE TE.STER PARAMETERS
1. Input power source: AC200V:t10%
2. Output voltage: 0 KV-5KV AC/50Hz, Accuracy: ±5%
3. Output capaclty: 500VA
4. Current leakage: Maximum current leakage:100 mA
5. Voltage test operation modes: both manually and automatically
6. Time control: 0-99s optional. Accuracy: ±5%
TEST BENCH PARAMETERS
1. Standard configuration: JWT3603 single- phase standard watt-hour meter, Accuracy: Grade 0.1
2. Output measurement range: Output voltage: 0-220V; Output current: 0.1 - 1 00A
3. Max. output capacity: Voltage: 240VA; Current 1500VA(may be increased or decreased according to the number of watt-hour meters to be calibrated)
4. Adjustment range
Voltage: 0-120%, adjustment fineness: 0.01% full range Current 0-100A, adjustment fineness: 0.0001 A (Min.)
Phase (Voltage / current) : 0- 360°, adjustment fineness : 0. 1° Frequency: 45-65H~. adjustment finess:0.01HZ
5. Number of meters to be hung: 48 single- phase watt- hour meters
6. Max. Power consumption: 200VA (for withstand voltage test), 2000VA (for counting test)
7. Current leakage per meter station: 5mA ± 5%
8. Output waveform distortion: <5%
9. Insulation resistance of voltage loop, current loop, and all other circuits to ground: all larger than 10 M ohm
10. Combined error of voltage output≤ ±2%
11. Operating environment: Temperature’s: 0-45℃, relative humidity: ≤ 85%
12. Meter support is spring- crimp type to hang the watt- hour meter
13. Outer dimension: Meter hanger: 2400x 800x 1780mm; Control cabinet: 600 x 700x 1770