- Color:White/Black
- Power Supply:85~265V AC or 120~ 300VDC
- Display:LED
- Weight:1.0Kg
- Certificate:CE ISO
- Communication:RS485, Modbus-RTU
- Function:Single-phase active power meter
- Frequence:45~65Hz
- Power Consumption:<0.1VA/Phase
- Measure parameters:U, I, P, Q, S, PF, F, kWh, kvarh, demand
- Brand Name:REHE
- Model Number:RH-P31
- Measuring Current Range:1A/5A
- Measuring Voltage Range:0-9999
- Accuracy Class:0.5
- Operating Temperature:-10℃~+55℃
- Dimensions:96*96
Digital Single-phase Active Power Meter RH-P31
Product Description
| Technical Index | ||||
| Accuracy of measurement | active power 0.5,depending on the power level 0.5 | |||
| Singal input | Connection mode of single phase, three phase four wire, three phase three line | |||
| Rated voltage of AC57.7V,AC100V,AC220V,AC380V | ||||
| Rated current of AC 1A, AC 5A | ||||
| Over load:voltage of 1.2 times( Continued ), 2times / second ( instantaneous ) | ||||
| Current of 1.2 times( Continued ), 10times / 5second ( instantaneous ) | ||||
| Power consumption voltage: <1VA/ phase, current <0.4VA/phase | ||||
| Impedance:voltage>300KΩ current <20mΩ | ||||
| Frequency: 45-65Hz | ||||
| Auxiliary power supply | Working range of ACDC 80V-270V,AC220V,AC380V,AC100V,DC48V,DC24V | |||
| Power consumption:<4VA | ||||
| Function module | Communication interface 1 way RS-485 communication, Modbus-RTU protocol | |||
| Baud rate: 1200~9600bps, the default 2400bps | ||||
| Switch input support 4 stem node input | ||||
| The switch output support 3 relay output, capacity:AC2505A,DC30V5A | ||||
| Transmission output support 3 analog output:04-20mA or 0-510V | ||||
| Environment | Environment:Working temperature:-10°C ~+55°C | |||
| Storage temperature:-25°C ~+70°C | ||||
| Relative humidity is less than 93%, no corrosive gas | ||||
| Elevation≤2500m | ||||
| Safety | Insulation resistance >100MΩ | |||
| AC withstand voltage AC2KV | ||||
| Electromagnetic compatibility | ESD level 4 | |||
| Electrical fast transient burst level 4 | ||||
| Surge level 4 | ||||
| Selcction ofSpecification | ||||
| Single and three phase active power meter(9999 display programmable) | ||||
| Model NO. | Display | Frame size(mm) | Hole size(mm) | Remark |
| RH-P11 | Digital Single-row LED | 160*80 | 152*76 | |
| RH-P21 | Digital Single-row LED | 120*120 | 111*111 | |
| RH-P31 | Digital Single-row LED | 96*96 | 92*92 | |
| RH-P41 | Digital Single-row LED | 120*60 | 114*56 | |
| RH-P51 | Digital Single-row LED | 96*48 | 92*45 | |
| RH-P61 | Digital Single-row LED | 72*72 | 68*68 | |
| RH-P71 | Digital Single-row LED | 80*80 | 76*76 | |
| RH-P81 | Digital Single-row LED | 48*48 | 45*45 | |
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