Three Phase LCD digital power meter rs485 current voltage frequency meter / Electrical instrument
3 phase 220 watt digital power meter rs485 current voltage frequency meter Performance Characteristics 1.High precision measurement measurement of single phase AC voltage 2.Provide the digital tube display, local data query 3.Programmable voltage ratio 4.Support for RS-485 communication, Modbus-RTU protocol 5.Auxiliary power supply:AC/ 80V~270V, AC220V, AC380V, AC100V, 6.A variety of shapes, to meet the different requirements of the cabinet body electric circuit Technical
3 phase 220 watt digital power meter rs485 current voltage frequency meter
1.High precision measurement measurement of single phase AC voltage
3.Programmable voltage ratio
4.Support for RS-485 communication, Modbus-RTU protocol
5.Auxiliary power supply:AC/ 80V~270V, AC220V, AC380V, AC100V,
6.A variety of shapes, to meet the different requirements of the cabinet body electric circuit
Technical Index
Technical Index | |
Accuracy Measurement | |
current | class 0.5 |
Voltage | class 0.5 |
active power | class 0.5 |
reactive power | class 0.5 |
power factor | class 0.5 |
frequency | ±0. 02Hz |
active energy | class 0.5/class 0.2 |
reactive energy | class 1.0/class 2.0 |
Input Measurement | |
Wiring | single-phase,3-phase 3-wire,3-phase 4-wire |
Rated current | AC 1A,AC 5A |
Rated voltage | AC 100V ,AC 400V |
Overload
| Voltage:Sustained:1.2times;Instantaneous:2times/1s |
Current:Sustained: 1.2 times; Instantaneous: 10 times/ 5s | |
power consumption | Voltage: <1VA (per phase),Current: <0.4VA (per phase) |
impedance | Voltage: >300KΩ , Current: <20mΩ |
frequency | 45~65Hz |
Power supply | |
Working range | AC/DC 80V~270V,AC220V,AC380V,AC100V |
Power consumption | <4VA |
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