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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.
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°
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%
Operating temperature: - 10℃ ~ + 40℃
Insulation
The insulation resistance between the voltage, current input terminal andthehousing ≧100MΩ.
Withstand 1.5KV (valid value) with power frequency on operating power input and the shell, which lasts one minute.
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
Weight: 2kg
Size: 28cm × 21cm × 6cm
