Active Member
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[China]
Address: Wasion Industrial Park, 468 West Tongzipo Road, Yuelu District, Changsha, Hunan Province, PRC
Contact name:Eric Yang
Willfar Information Technology Co. Ltd. |
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Three-phase Energy Distribution Management Monitor Device DTSD342-9N
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 Parameter
| 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 | ||
| 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 | | 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 | AC or DC |
| 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.
- Wide voltage: AC/DC adaptive operation, AC/DC input range:
40~420V.
- Multi-communication: 2-way 485 communication interface, 1-way
Ethernet interface, supporting MODBUS-RTU, DL/T645-2007 and
MODBUS-TCP protocols.
- Multi-interface: 4 switch inputs, 2 relay output, 4 analog
transmission output (optional).
- 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 electrical transforming and distribution automatic systems, industrial control and industrial automation systems, energy management systems and community power monitoring occasions etc.
