Three-phase Energy Efficiency Management Monitor Device DTSD342-5N
Company Profile
Willfar Information Technology Co., Ltd.
- Established in 2004;
- Listed on the STAR Market of the Shanghai Stock Exchange in December 2019;
- Leading supplier of meter reading (AMI) equipment and operation service;
- The first company to develop "One DCU Reading Multi-meter" solution in China;
- The first company to have large-scale application of technologies and systems like "CPU smart-card Charge and Control", "One DCU Reading Multi-meter", LoRa-based RF Communication and "District Metering Area (DMA)”
Technical Parameters
| Item |
Parameters |
| Wiring Mode |
Three Phase 3 wires, Three Phase 4 wires, Single Phase |
|
Measurement
|
Voltage |
Reference Voltage: Un:AC380V,AC220V,AC100V,AC57.7V |
| Range: 10V~700V |
| Power Consumption: < 0.05VA(Single Phase) |
| Accuracy: RMS 0.2 % |
| Resolution: 0.01V |
| Current |
Nominal Current In: 0.3A,1A,1.5A,5A |
| Range: 0.001In ~ 10A |
| Power Consumption: < 0.05VA (single line nominal current) |
| Accuracy: RMS 0.2 % |
| Resolution: 0.001A |
Power
(active/reactive/apparent) |
Accuracy: 0.5%或0.2% |
| Resolution: 0.001kW/kVar/kVA |
| Line Frequency |
Range: 45 Hz~65 Hz |
| Accuracy: 0.2% |
| Resolution: 0.01 Hz |
| Harmonic Wave |
Time: 2~50 times |
| Accuracy: Class A |
| Resolution: 0.01 % |
| Metering |
Active Electrical Energy |
Level of Accuracy: 0.5S/0.2S |
| Resolution: 0.01 kWh |
| Reactive Electrical Energy |
Level of Accuracy: Class II |
| Resolution: 0.01 kvarh |
|
Digital Signal
|
Power Pulse Output |
2-line electric energy (active/reactive) Pulse Output |
| Opto-isolator,4000VRMS |
| |
Switch Output
(Optional) |
2-line electromagnetic relay output |
| Normally Open Type |
| Contact Rating: AC 250V /3A；DC 30V /3A |
Switch Intput
(Optional) |
4-line dry contact input |
| Opto-isolator,4000VRMS |
| Analog Signal |
Transducing (analog) Output
(Optional)
|
4-line transducing output |
| Current Output Type (4~20mA/0~20mA/0~24mA) |
| Voltage Output Type (0~5V/0~10V) |
| Accuracy: 0.5% |
| Communication |
RS-485 Communication Interface
(Optional) |
Interface: 2-wire half duplex |
| Communication Rate: 600bps~38400bps |
| Protocol: Modbus-RTU, DL/T645 |
| Environment |
Working Temperature |
-25℃~+60℃ |
| Limit Working Temperature |
-35℃~+70℃ |
| Relative Humidity |
≤ 95% (non-condensing) |
| Other |
Power Supply |
Power Supply |
| Maximum Input Range: 40V~420V |
| Power Consumption: ≤1W,2VA |
| Dimension |
Boundary Dimension (mm):96×96×95 |
| Hole size (mm):92×92 |
| Weight |
around 450g |
Feature
- High precision: comprehensively measure power parameters, the accuracy of active power is Level 0.5s, the accuracy of reactive power is Level 2.
- High intelligence: multiple rate electric energy, monitor power quality parameters, including positive and negative zero sequence voltage, current, 2~50 times harmonic voltage and current data.
- Easy reading: large screen, high brightness liquid crystal display.
- Easy installation: 35mm standardized guide rail type installation. Sample voltage power supply, no need for separate auxiliary power supply.
- Multi-communication: 1-way 485 communication interface, supporting MODBUS-RTU, DL/T645-2007 protocols.
- Multi-interface: 2 or 1 switch inputs, 1 relay output.
- High performance: dustproof and waterproof, nationally standardized double insulation, level 4 EMC anti-disturbance test, Class B level RF electromagnetic field interference.
Certificate
CPA/CMC/CE
Situation
Suitable for transformer and distribution automation systems, industrial control and industrial automation systems, energy management systems and community power monitoring and other occasions
Product Tags:
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High Precision Energy Efficiency Management Large Screen Easy Reading DTSD342-5N Images
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