Light Country(Changshu) Co.,Ltd
Light Country (Changshu) Co.,Ltd Professional Thermostat & Switch Manufacturer from Taiwan for more than 30 years.
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DW series single phase multifunction digital panel meter voltage meter ampere meter power meter, 2loop alarm, RS485 communication, industrial level
1. Features and advantages of DW series voltmeter ammeter power meter :
a). Voltage & current accuracy level ±0.5%F.S,Kwh value accuracy is level 1.
b). Available for measuring voltage,current,power factor,active power,reactive power appearantpower,Kwh,total 7 units.True virtual value measure.
c). Insolated input/output
d). 2loop high/low limit alarm free set.
e). 1loop 4～20mA analog output function for any parameters measured.
f). RS485 communication port,Modbus RTU procotol.
g). Easy operation of display switch and menu setting.Power-down protection of operating states and Kwh value.
2. Model specification:
3. Technical parameter:
| Input signal | Input voltage | Single phase 5～450V Power consumption<1VA |
| Voltage impedance | ≥300KΩ | |
| Input current | 0.025～5A Power consumption<0.4VA | |
| Current impedance | ＜20mΩ | |
| Rated current | 50Hz,60Hz | |
| Accuracy | Active energy:level 1.0S;reactive energy:level 2; voltage & current:0.5%FS | |
| Measurement range | Current:0.001In～1.2In Voltage:0.01～1.1Un | |
| Electrical parameter | Relay capacity | AC 250V 5A DC 24V 5A(Resistive load) |
| Analog output | DC 4～20mA load＜600Ω(DC 24V) | |
| Display device | Red highlight LED display | |
| Communiction | Communication port | RS485 port Modbus RTU protocol |
| Baud rate | 4.8kbps,9.6kbps | |
| EMC | ESD | level 3,Contact discharge±6000V, air discharge±8000V |
| Pulse train | level 4 ±4000Vp-p | |
| Frequency drop | level 3 | |
| Lightning surge | level 3,line to ground:±4000V;line to line ±2000V | |
| Environment | Working environment | -10～50℃ 5～90%RH(no condensation) |
| Limit condition | -20～55℃ | |
| Storage environment | -40～65℃ | |
| Shell specification | Vibration | 10～57Hz(XYZ direction 2G/30min) |
| Material | Flame retardant level V0;PC+ABS;mirror:PC | |
| Protection level | IP65(Front panel) | |
| Power | Power voltage | AC/DC 100～240V 50/60Hz |
| Total consumption | ＜5W | |
| Safe | Dielectric strength | 2000VAC 50Hz |
| Insolation strength | 100MΩ DC 500V | |
| Total weight | About 0.3kg | |
4. Appearance and installation dimensions:
5. Connections:
6. Contact:
Sales: bassy shi
Cell phone: +86 13773069136
Email: bassy.shi@youjiazhineng.com