Contact Us

Contact Person : Eric Yang

Phone Number : 86-(0731)88619728

WhatsApp : +8618319993585

Free call

High Precision Energy Efficiency Management Large Screen Easy Reading DTSD342-5N

Minimum Order Quantity : 100 Price : Negotiable
Packaging Details : Carton Packaging Delivery Time : 30 days
Payment Terms : T/T Supply Ability : 2000 per day (based on the number of the order)
Place of Origin: Changsha, Hunan Brand Name: Willfar Information Techonology Co., Ltd.
Certification: CPA/CMC/CE Model Number: DTSD342-5N

Detail Information

Color: Grey Measuring Range: 10V~700V
Power Consumption: < 0.05VA Accuracy: RMS 0.2 %
Resolution: 0.01V Screen: LCD
Working Voltage: 220V Working Current: 1.5(6)A
Communication Interface No.: 2
High Light:

power monitoring device


3 phase power monitor

Product Description

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


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
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
Switch Output
2-line electromagnetic relay output
Normally Open Type
Contact Rating: AC 250V /3A;DC 30V /3A
Switch Intput
4-line dry contact input
Analog Signal

Transducing (analog) Output

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
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





- 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.





Suitable for transformer and distribution automation systems, industrial control and industrial automation systems, energy management systems and community power monitoring and other occasions

You Might Be Into These
Get in touch with us

Enter Your Message