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LCD Display 3 Phase Multifunction Power Meter RS485 Modbus RTU Protocol
DS9L DS7L Series LCD Display 3 Phase Multifunction Power Meter RS485 Modbus-RTU Protocol
DS9L DS7L Series high accuracy 3phase multifunction power meter, LCD display, RS485, Modbus-RTU protocol
1. Features and advantages:
a). Big LCD display.
b). Can measure 28 electrical parameters, including voltage/current/active
power/reactive power/frequency/power factor, and etc.
c). DS9L: 2 loop DI and 2 loop alarm output
DS7L: 2 loop DI or 2 loop alarm output
d). Isolated input/output with remote and telecommand functions.
e). RS485 communication port, support MODBUS-RTU protocol.
f). True effective value measurement.
g). With forward and backward kwh record function. Record the import and export kwh separatedly.
2. Model specification:
3. Technical parameter:
| Connection | 3 Phase 3 Wires, 3 Phase 4 Wires |
| Voltage range | AC 10~480V(L-L) |
| Voltage overload | 1.2Un, continuous 2Un, 10s |
| Voltage consumption | <1VA(each phase) |
| Voltage impedance | ≥300KΩ |
| Voltage accuracy | 0.5% |
| Current range | AC 0.025-5A |
| Current overload | 10In, discontinuous |
| Current consumption | <0.4VA (each phase) |
| Current impedance | <20MΩ |
| Current accuracy | 0.5% |
| Fregency | 45~60Hz, accuracy 0.01Hz |
| Power | Active / Reactive /Apparent power, accuracy grade 0.5 |
| Energy | Active Energy grade 1, Reactive Energy grade 2 Note: Kwh counting adopt 6 Integer + 2 decimal, when counting to 999999.99, it turns to 7 integer + 1 decimal counting mode . And when counting to 9999999.9, it count from 0 again. Totally counting kwh can be 10, 000,000 kilowatt. |
| Display | LCD big screen display |
| Power supply | AC/DC 100~240V ( 85~265V) |
| Power supply consumption | ≤5VA |
| Output digital internee | RS485, MODBUS-RTU Protocol |
| Switch Input | 2LOOP input (Dry contact mode) |
| Alarm output | 2LOOP output, 250V AC/3A or 30V DC/5A |
| Work environment | Temperature: -10~50℃,Humidity:<85% RH; Non-corrosive Gas; altitude <2500m |
| Storage environment | -40~70°C |
| withstand voltage | Power supply, 485 interface, DI interface ≥DC 2000V |
| insulation | input, output, power supply VS meter cover> 5MΩ |
| Weight | 0.5kg |
4. Appearance and installation dimensions:
5. Connections:
6. Contact:
Sales: bassy shi
Cell phone: +86 13773069136
Email: bassy.shi@youjiazhineng.com
