DTSD342-HLQ Rack Mount Multi Circuit Power Monitor

DTSD342-HLQ Rack Mount Multi Circuit Power Monitor
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General introduction:
DTSD342-HLQ rack mount multi circuit power monitor integrates measuring and recording, large screen LCD display, 485 communication into one electrical power monitor, mainly used in the monitoring of electrical parameters in multi distribution circuits.

Technical specifications
Items Technical index
Power distribution system Low voltage three-phase distribution circuit, low voltage single-phase distribution circuit
Measuring parameters Bus voltage, outgoing current, active power, reactive power, apparent power, frequency, power factor, electric energy
Bus voltage Rated input 220V AC
Measurement range 40~400V AC
Overload Instantaneous voltage 2 times /10 seconds
Current circuit Load circuit Three-phase 4 circuits or single-phase 12 circuits (12 circuit current)
Rated input  Primary winding: 50A, 100A, 200A
Overload Lasts 1.2 times, instantaneous current 10 times /5 seconds
Matching current transformer close-loop transformer(class 1) or open-loop transformer(class 1)
Measurement accuracy Current, voltage: class 0.5
Metering accuracy Active electric energy: class 1 resolution: 0.01kWh
reactive electric energy: class 2 resolution: 0.01kvarh
Input frequency 45Hz~65Hz
Power supply AC/DC40V~420V
Power consumption ≤5VA
Digital communication Interface type: standard 1 channel two-line half duplex RS485 interface
communication rate:1200~38400bps
protocol: support MODBUS-RTU and DL/T645-2007
Display LCD display
Clock < 0.5 second per day
Working environment Working temperature:-25℃~+60℃
limit working temperature:-35℃~+70℃
Relative humidity:≤93%(RH)
Altitude≤2500m
Installation mode Flush mount or 35mm standard rail mount
Outline size 96×96×62.8mm(flush mount); 72×101.7×63mm(rail mount)
Weight About 450g

Main features
1. DTSD342-HLQ flush mount multi circuit power monitor has the advantages of high precision, good stability, strong practicability, powerful function, small size, easy installation, and excellent EMC performance.
2. Different communication modules are optional to meet different interface requirement of various customers.
3. Configured one channel RS-485 communication interface, our monitor supports MODBUS-RTU and DL/T645-2007 dual communication protocol.
4. Large screen LCD display, data cycle display.
5. Freezing and event recording

Main functions
The monitor can measure and display circuit bus voltage, current of four distribution three-phase circuits, active power, reactive power, apparent power, power factor and frequency. Through RS485 communication interface, our monitor can exchange data with the upper computer and calculate positive and negative active electric energy and reactive four-quadrant electric energy. Meanwhile, our monitor equips RS485 communication interface supporting DL/T 645-2007 and MODBUS RTU dual communication protocol, which greatly facilitates the automatic management of electricity utilization, as well as the wiring, installation, commissioning of the system. Besides, the user's investment and system costs are therefore reduced.

WILLFAR as a leading rack mount multi circuit power monitor manufacturer, mainly manufacture meter data management and energy efficiency management instrument. To serve daily life much better, WILLFAR company also provides custom electrical energy management solutions as well as smart metering system in customer needs.

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