Huazheng HZ-1011P 3 Phase Electrical Energy Meter Calibration Kit

1.Input properties

Voltage measurement range:

0 ~ 400V, 57.7V, 100V, 220V, 400V four automatic switching range.

Current measurement range:

0 ~ 5A. The built-in current transformers is 5A (CT). 

The clamp transformer has six tap position:

Small clamp(5A/25A). 

Middle clamp (100A /500A) (optional).

Large clamp (400A/2000A).(optional). 

Phase angle measurement range: 0 ~ 359.999 °. 

Frequency measurement range: 45 ~ 55Hz. 

2. Accuracy

Measurement verification part:

Voltage: ± 0.05%

Current: ± 0.05% (clamp transformer ± 0.2%)

Active power: ± 0.05% (clamp transformer ± 0.2%)

Reactive power: ± 0.2% (clamp transformer ± 0.5%)

Active electric energy: ± 0.05% (clamp transformer ± 0.2%)

Reactive electric energy: ± 0.2% (clamp transformer ± 0.5%)

Frequency: ± 0.05%

Phase: ± 0.2° 

3. Power quality

Harmonic frequency measurement range: 2-64

Fundamental voltage and current amplitude: allowable error of fundamental voltage ≤ 0.5% F.S; Allowable error of fundamental current ≤ 1% F.S

Measurement error of phase difference between fundamental voltage and current: ≤ 0.5° 

Measurement error of harmonic voltage content: ≤ 0.1%

Measurement error of harmonic current content: ≤ 0.2%

Three phase voltage unbalance error: ≤ 0.2%

4. Operating temperature

Operating temperature: - 10℃ ~ + 40℃

5. Insulation

1) The insulation resistance between the voltage, current input terminal andthehousing ≧100MΩ. 

2) Withstand 1.5KV (valid value) with power frequency on operating power input and the shell, which lasts one minute. 

6. Standard electric energy pulse constant

Built-in transformer constant (FL) = 10000 r / kW · h

Clamp transformer constant (FL):

5A: 10000r/kW·h

25A: 2000r/kW·h 

100A: 500r/kW·h

500A: 100r/kW·h

400A: 125 r/kW·h

2000A: 25r/kW·h    

7. Weight

Weight: 2kg

8. Size

Size: 28cm × 21cm × 6cm