High-precision measure active power ,reactive power ,apparent power in three-phase network LED or LCD display
Description:
Intelligent digital instrument be used in electricity grids , automation control system to measure voltage ,current ,active power,reactive power , apparent power, power factor and frequency.They are displayed by LED or LCD. Visual display , High accuracy, Reliable performance, Strong isolation, Anti-Vibration.
Performance Characteristics
High-precision measure active power ,reactive power ,apparent power in three-phase network
LED or LCD display , Local data query
Current Conversion Ratio is programmable.
Support RS-485 communication Modbus-RTU treaty.
Support DI DO AO
Auxiliary Power Supply :AC/DC 80V-270V, AC220V,AC380V,AC100V,DC48V,DC24V
Various shape can be choosed.
| Accuracy of measurement | |
| Active power | 0.5 degree |
| Reactive power | 0.5 degree |
| Apparent power | 0.5 degree |
| Signal Input | |
| Mode of connection | single-phase ,three-phase four-wire ,three-phase three-wire |
| Rated voltage | AC57.7V ,AC 100V,AC220V,AC380V |
| Rated current | AC1A ,AC5A |
| Overload | Voltage:1.2 times 2 times /1 second(instantaneous) |
| Current:1.2 times 10 times /5 second(instantaneous) | |
| Power dissipation | Voltage:less than 1VA/phase ;Current :less than 0.4VA/phase |
| Impedance | Voltage:more than 300kΩ:Current:Less than 20mΩ |
| Frequency | 45-65Hz |
| APS | |
| Operating Range | AC/DC 80V-270V ,AC220V,AC380V,AC100V,DC48V,DC24V |
| Power dissipation | Less than 4VA |
| Function Module | |
| Communication interface | No. 1 RS-485 communications,Modbus-RTU treaty |
| Baud rate:1200-9600bps ,the default value is 2400bps | |
| DI | support 4 dry contacts |
| DO | support 3 relay output,capacity AC250V/5A DC30V5A |
| Transmitting Output | support 3 AO :0/4-20mA or 0-5/10V |
| Environment | |
| Working environment | -10°C- +55°C |
| Storage Temperature | -25°C- +70°C |
| Relative Humidity | ≤93%, No corrosive gas places |
| Altitude | ≤2500m |
| Security | |
| Insulation Resistance | >100mΩ |
| ACW | AC 2KV |
| EMC | |
| ESD | grade 4 |
| EFT | grade 4 |
| Surge impact | grade 4 |
| Dimension | |
| Frame dimension | 120*120; 80*80; 96*48; 96*96; 80*80; 48*48; 120*60; 160*80 |
| Hole dimension | 111*111; 76*76; 92*45; 92*92; 68*68; 45*45; 114*56; 152*76 |
| Model | Measurement | Extended Function | LED | LCD | Hole dimension | |||||
| Single-phase active power | Three-phase active power | Three-phase reactive power | DI | DO | TO | Communication interface | ||||
| RH-P11 | √ | 2 | 2 | 1 | 1 | √ | 152*76 | |||
| RH-3P11 | √ | 2 | 2 | 1 | 1 | √ | ||||
| RH-3Q21 | √ | 2 | 2 | 1 | 1 | √ | ||||
| RH-P21 | √ | 2 | 2 | 1 | 1 | √ | 111*111 | |||
| RH-3P21 | √ | 2 | 2 | 1 | 1 | √ | ||||
| RH-3Q21 | √ | 2 | 2 | 1 | 1 | √ | ||||
| RH-P31 | √ | 2 | 2 | 1 | 1 | √ | 92*92 | |||
| RH-3P31 | √ | 2 | 2 | 1 | 1 | √ | ||||
| RH-3Q31 | √ | 2 | 2 | 1 | 1 | √ | ||||
| RH-P41 | √ | 2 | 2 | 1 | 1 | √ | 114*56 | |||
| RH-3P41 | √ | 2 | 2 | 1 | 1 | √ | ||||
| RH-3Q41 | √ | 2 | 2 | 1 | 1 | √ | ||||
| RH-P51 | √ | 2 | 2 | 1 | 1 | √ | 92*45 | |||
| RH-3P51 | √ | 2 | 2 | 1 | 1 | √ | ||||
| RH-3Q51 | √ | 2 | 2 | 1 | 1 | √ | ||||
| RH-P61 | √ | 2 | 2 | 1 | 1 | √ | 68*68 | |||
| RH-3P61 | √ | 2 | 2 | 1 | 1 | √ | ||||
| RH-3Q61 | √ | 2 | 2 | 1 | 1 | √ | ||||
| RH-P71 | √ | 2 | 2 | 1 | 1 | √ | 76*76 | |||
| RH-3P71 | √ | 2 | 2 | 1 | 1 | √ | ||||
| RH-3Q71 | √ | 2 | 2 | 1 | 1 | √ | ||||
| RH-P81 | √ | 2 | 2 | 1 | 1 | √ | 45*45 | |||
| 18.SINGLE-PHASE REACTIVE POWER MRTER | ||||
| Model | Display Mode | Face Frame Size | Hole Size | |
| mm | mm | |||
| RH-Q11 | Single Row LED | 160*80 | 152*76 | |
| RH-Q21 | Single Row LED | 120*120 | 111*111 | |
| RH-Q31 | Single Row LED | 96*96 | 92*92 | |
| RH-Q41 | Single Row LED | 120*60 | 114*56 | |
| RH-Q51 | Single Row LED | 96*48 | 92*45 | |
| RH-Q61 | Single Row LED | 72*72 | 68*68 | |
| RH-Q71 | Single Row LED | 80*80 | 76*76 | |
| RH-Q81 | Single Row LED | 48*48 | 45*45 | |
| RH-Q1Y | LCD | 160*80 | 152*76 | |
| RH-Q2Y | LCD | 120*120 | 111*111 | |
| RH-Q3Y | LCD | 96*96 | 92*92 | |
| RH-Q4Y | LCD | 120*60 | 114*56 | |
| RH-Q5Y | LCD | 96*48 | 92*45 | |
| RH-Q6Y | LCD | 72*72 | 68*68 | |
| RH-Q7Y | LCD | 80*80 | 76*76 | |
Terminal diagram
The wiring diagram
96*48 single phase lcd digital display reactive rs485 electric power meter RH-Q5Y
