High-precision measure three-phase voltage,three-phase current,active power,reactive power ,apparent power,power factor ,frequen
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 three-phase voltage,three-phase current,active power,reactive power ,apparent power,power factor ,frequency.
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
Various shape can be choosed.
| Accuracy of measurement | |
| Voltage | 0.5 degree |
| Current | 0.5 degree |
| Active power | 0.5 degree |
| Reactive power | 0.5 degree |
| Power factor | 0.5 degree |
| Frequecy | ±0.02Hz |
| Signal Input | |
| Mode of connection | single-phase ,three-phase three-wire,three-phase four-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 1 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 | ||||||||
| Three-phase current | Three-phase voltage | Active power | Reactive power | Power frequency | Frequency | DI | DO | TO | Communication interface | ||||
| RH-3♦11 | Any function combination | 2 | 2 | 1 | 1 | √ | 152*76 | ||||||
| RH-3 ♦ 23 | Any function combination | 2 | 2 | 3 | 1 | √ | 111*111 | ||||||
| RH-3 ♦ 2Y | Any function combination | 2 | 2 | 3 | 1 | √ | |||||||
| RH-3 ♦ 33 | Any function combination | 2 | 2 | 3 | 1 | √ | 92*92 | ||||||
| RH-3 ♦ 3Y | Any function combination | 2 | 2 | 3 | 1 | √ | |||||||
| RH-3 ♦ 41 | Any function combination | 2 | 2 | 1 | 1 | √ | 114*56 | ||||||
| RH-3 ♦ 51 | Any function combination | 2 | 2 | 1 | 1 | √ | 92*45 | ||||||
| RH-3 ♦ 63 | Any function combination | 2 | 2 | 1 | 1 | √ | 68*68 | ||||||
| RH-3 ♦ 6Y | Any function combination | 2 | 2 | 1 | 1 | √ | |||||||
| RH-3 ♦ 73 | Any function combination | 2 | 2 | 1 | 1 | √ | 76*76 | ||||||
| RH-3 ♦ 7Y | Any function combination | 2 | 2 | 1 | 1 | √ | |||||||
| RH-3 ♦ 83 | Any function combination | 2 | 2 | 1 | 1 | √ | 45*45 | ||||||
| RH- ♦ 11 | Any function combination | 2 | 2 | 1 | 1 | √ | 152*76 | ||||||
| RH- ♦ 23 | Any function combination | 2 | 2 | 3 | 1 | √ | 111*111 | ||||||
| RH- ♦ 2Y | Any function combination | 2 | 2 | 3 | 1 | √ | |||||||
| RH- ♦ 33 | Any function combination | 2 | 2 | 3 | 1 | √ | 92*92 | ||||||
| RH- ♦ 3Y | Any function combination | 2 | 2 | 3 | 1 | √ | |||||||
| RH- ♦ 41 | Any function combination | 2 | 2 | 1 | 1 | √ | 114*56 | ||||||
| RH- ♦ 51 | Any function combination | 2 | 2 | 1 | 1 | √ | 92*45 | ||||||
| RH- ♦ 63 | Any function combination | 2 | 2 | 1 | 1 | √ | 68*68 | ||||||
| RH- ♦ 6Y | Any function combination | 2 | 2 | 1 | 1 | √ | |||||||
| RH- ♦ 73 | Any function combination | 2 | 2 | 1 | 1 | √ | 76*76 | ||||||
| RH- ♦ 7Y | Any function combination | 2 | 2 | 1 | 1 | √ | |||||||
| RH- ♦ 83 | Any function combination | 2 | 2 | 1 | 1 | √ | 45*45 | ||||||
| 25.SINGLE-PHASE AC DC COMBINATION METER | ||||
| Model | Display Mode | Face Frame Size | Hole Size | |
| mm | mm | |||
| RH-UI11 | Single Row LED | 160*80 | 152*76 | |
| RH-UI22 | Double Row LED | 120*120 | 111*111 | |
| RH-UI32 | Double Row LED | 96*96 | 92*92 | |
| RH-UI41 | Single Row LED | 120*60 | 114*56 | |
| RH-UI51 | Single Row LED | 96*48 | 92*45 | |
| RH-UI62 | Double Row LED | 72*72 | 68*68 | |
| RH-UI72 | Double Row LED | 80*80 | 76*76 | |
| RH-UI82 | Double Row LED | 48*48 | 45*45 | |
Terminal diagram
The wiring diagram
96*96 SINGLE-PHASE AC VOLTAGE LED DIGITAL COMBINATION METER RH-UI32
