YUEQING RENHE ELECTRIC CO., LTD.
YUEQING RENHE ELECTRIC CO., LTD.
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| Performance Characteristics | ||||
| High precision measurement of single phase voltage, single phase current, active power, reactive power, apparent power, power factor, frequency of electric parameters | ||||
| Forward and reverse active or reactive energy measurement | ||||
| Division of electric energy metering, time-sharing power timing meter reading | ||||
| Measurement of three-phase voltage, three-phase current total harmonic distortion (THD), 2-31 odd harmonic component | ||||
| Provide the digital tube display, local data query | ||||
| Menu button intuitive, simple operation | ||||
| Current, voltage gain programmable setting | ||||
| Programmable voltage ratio | ||||
| Support for fire control, remote cut off the fault circuit | ||||
| Provide multiple loop control nodes, can be used for the alarm, trip control | ||||
| Support for RS-485 communication, Modubus-RTU protocol | ||||
| Support for switching input, output, analog quantity transmitting output | ||||
| Convenient installation, wiring is simple, small engineering quantity | ||||
| A wide range of AC/DC power supply: AC/DC 80-270V | ||||
| To be completed by SCADA, PLC in a variety of communications software network | ||||
| Technical Index | ||||
| Accuracy of measurementent | voltage level 0.5, current level 0.5, active power 0.5, reactive power level 0.5,Frequency ±0.02Hz, active electric energy class 0.5s or class 0.2s, reactive energy grade 1 or grade 2, power factor 0.5 | |||
| Signal input | Connection mode of four phase three wire, three phase three line | |||
| Rated voltage of AC 57.7V, AC 100V, AC 220V, AC 380V | ||||
| Over load 1.2 times ( Continued ), 2 times / second ( instantaneous ) | ||||
| Power <1VA/ phase | ||||
| Impedance >300KΩ, current: <20mΩ | ||||
| The frequency of 45~65Hz | ||||
| Auxiliary power supply | Working range of AC/DC 80V~270V | |||
| 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: AC 250V/5A, DC 30V/5A | ||||
| Transmission output support 3 analog output: 0/4~20mA or 0~5/10V | ||||
| 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 AC 2KV | ||||
| Electromagnetic compatibility | ESD level 4 | |||
| Electrical fast transient burst level 4 | ||||
| Selection of Specification | ||||
| Digital Panel Meter with A V Hz Cos W Var Kwh Varh(9999 display programmable) | ||||
| Model NO. | Display | Frame size(mm) | Hole size(mm) | Communication interface |
| RH-D3Y | LCD | 96*96 | 92*92 | Yes |
| RH-D7Y | LCD | 72*72 | 68*68 | Yes |
| RH-D2Y | LCD | 120*120 | 111*111 | Yes |
Package:
* Standard export cartons meet long-distance demand;
* Standard Neutral package or Customized.
Shipping:
* By sea: Ningbo ,Shanghai;
* By Air: DHL,UPS , TNT,Fedex, etc;
* Ship as your requirements.
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