China Voltmeter/Multi-Functional Energy Meter/Three-Phase Multi-Function Voltmeter-Wj-9K4u-LCD Display, Find details about China Multi-Function Power Meter, Multimeter from Voltmeter/Multi-Functional Energy Meter/Three-Phase Multi-Function Voltmeter-Wj-9K4u-LCD Display
1. Single-phase voltage: U |
2. Three-phase current: I |
3. Active power: P |
4. Reactive power: Q |
5. Power factor: PF |
6. Grid frequency: HZ (1 value) |
7. Active electric energy: KWh |
8. Reactive power: Kvarh |
9. Communication output: RS485 |
digital tube LED or LCD intuitive display. |
Technical parameters | indicate | ||
Input | network | Single-phase communication | |
voltage | Rated voltage | AC 100V 400V | |
Load voltage | Continue 1.2times, instantaneous 2times/30S | ||
Power dissipation | ≤0.5VA(per phase) | ||
impedance | ≥500kΩ | ||
Current | Rated current | AC 1A 5A | |
Load current | Continue 1.2times, instantaneous 2times/1S | ||
impedance | <2mΩ | ||
Frequency | 45Hz-65Hz | ||
Output | Communication | Output mode | RS485 |
Communication protocol | MODBUS-RTU | ||
Baud rate | 4800.9600 | ||
On-off output | Channel No. | 4 | |
Output mode | Relay normally open contact output | ||
Control capacity | AC 240V/1A | ||
On-off input | 4-channel passive dry contract input mode | ||
Display | LCD/LED | ||
Measurement accuracy | Voltage, current | ±(0.5%FS+1 word) | |
Active power, reactive power | ±(0.5%FS+1 word) | ||
Frequency | ±0.01HZ | ||
Power factor | ±0.01PF | ||
Active energy | ±0.5%(for reference only, non-measuring) | ||
Reactive energy | ±1.0%(for reference only, non-measuring) | ||
Power | Range | AC/DC 85-264V | |
Power dissipation | <5VA | ||
Safety | Withstand voltage | Input and power | >2kv 50Hz/1Min |
Input and output | >1kv 50Hz/1Min | ||
Output and power | >2kv 50Hz/1Min | ||
Insulation resistance | Between Input, output, power, case >20mΩ | ||
Environment | Temperature | Operating temperature: -10-50ºC, storage temperature: -25-70ºC | |
Humidity | ≤85%RH NO condensation, non-corrosive gas field | ||
Altitude | ≤3000m |