Active Member
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[China]
Contact name:
Zhejiang Gomelong Meter Co., Ltd. |
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| Three phase four wire multifunction meter | ||||
| Items | Technical parameters | |||
| input signal | Wiring network | Three-phase three-wire; three-phase four-wire | ||
| Voltage | Range | AC 100V, AC400V | ||
| overload | Constant overload: 1.2 times; instant overload: 10times/10s | |||
| Power consumption | < 1VA/ (each phase), impedance >500KΩ | |||
| Accuracy Class | RMS measure , Class 0.5. | |||
| Current | Range | AC1A,,AC5A | ||
| overload | Constant overload: 1.2tiimes; instant overload: 10times/10s | |||
| Power consumption | < 0.4VA/ (each phase), impedance <2KΩ | |||
| Accuracy Class | RMS measure , Class 0.5. | |||
| Frequency | 40-60Hz; the accuracy grade is Class 0.1 Hz | |||
| Power | Active power ,apparent power accuracy 0.5 Class,reactive power accuracy is 1.5 Class | |||
| Electricity | Four-quadrant measurement,active energy accuracy is 1.0 Class,reactive energy a is 1.0 Class. | |||
| Display | Programmable, switch, cycle (led) display | |||
| Auxiliary power | Power supply | AC/DC110V/220V/380V/85-264VAC | ||
| Power consumption | <5VA | |||
| Display | LED display, LCD display (selectable) | |||
| output signal | Communication | RS-485 MODBUS-RTU Agreement | ||
| Electric energy pulse | / | |||
| On-off input | Two-way on-off input;; opto-couplers isolation and passive dry contact (selectable) | |||
| On-off output | Two-way on-off output;; optocouplers relay (selectable) | |||
| Analogy output | Four-way analogy output 0-20mA/4-20mA (selectable) | |||
| Environment | Working environment | -25-55 ° C | ||
| Storage environment | -20-70 ° C | |||
| Humidity | ≤ 85% RH, no condensation, no corrosive gas sites | |||
| Elevation | ≤3000m | |||
| Safety | Withstand voltage | Input/power>2kV,Input/output>2kV,power/output>1kV. | ||
| Insulation resistance | The auxiliary power supply, input and output on the instrument's cover >50MΩ | |||
