Huazheng Electric Hz-1011p High Precision 3 Phase Electricity Energy Meter Calibration Instrument

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 and the housing more than 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):

7. Weight

Weight: 2kg

8. Size

Size: 28cm × 21cm × 6cm