Main features of HSY1 series digital electrical measuring instruments:
- using the modern microprocessor and AC sampling technology
- high precision, display intuitive, good stability, easy use and high reliability any set of PT/CT ratio, strong applicability
- Wide range of applications and easy system integration
- Using true effective value (True-RMS) malgorithm
technical parameter | Index | ||
Accuracy grade | Reactive power 1, and the remaining 0.5, Temperature drift coefficient 100ppm/℃(0-50℃) | ||
Display mode | Four bit LED display | ||
Input | Connection mode | Single phase, three-phase three wire, three-phase four wire | |
Nominal | value | AC100V、AC220V、AC380V | |
Electric current | AC1A、 AC5A | ||
overrange | Voltage:1.2 times continuous, instantaneous 2 times / second
Electric current:1.2 times continuous, instantaneous 10 times / second |
||
Power | Voltage:<1VA
Electric current:<0.2VA |
||
impedance | Voltage:>200kΩ
Electric current:<0.1Ω |
||
frequency | 50±5Hz,60±5Hz | ||
Output (optional) | communication | RS-485,MODBUS-RTU Communication protocol | |
Power Supply | Voltage range | AC/DC85-264V | |
Power waste | <5VA | ||
insulation resistance | ≥100MΩ@500Vdc | ||
Power frequency withstand voltage | Power Supply/Between input 2kV/1min(AC RMS value ) | ||
Using environment | temperature | work:-10℃~+55℃,storage:-25℃~+70℃ | |
humidity | ≤93%RH,No dewing Non corrosive gas sites | ||
altitude | ≤2000m |