Functional configuration

* Measurement object: voltage, current, active power, reactive power, apparent power, power factor, frequencyetc.

* Range: high precision real-time measurement of power parameters, harmonics measurement, event logging

* Current: DC,AC; phase: single-phase, three-phase.

* Current, voltage transformation ratio programmable.

* Support digital input, digital output, analog transmit output, electric energy pulse output.

* Support fire linkage, remote cut off the fault circuit.

* Support RS-485 communications, Mod bus-RTU protocol, can realize remote metering, remote control and tele-signalisation.

* Pros: intuitive display, high precision, stable performance, isolation strong, anti-vibration, small size

* Scope: energy management systems, power monitoring systems, industrial and mining enterprises, public facilities, intelligent buildings, switchgear and other power distribution network.

* Industry: Electricity, transportation, petroleum, chemical, construction etc.

Features

*STM32CPU (core ARM32 bit CortexTM-M3).   

*6 channel 12-bit A / D, 64 samples per cycle wave.

*4-channel switch (AC / DC) Input.

*2 switch outputs.

*2 isolated 4-20mA output.

*1 isolated electrical pulse output.

*RS-485 communication channel.

*Assembly power, anti-jamming design in full accordance with DVT traditional protection designed to ensure safe and reliable.

*CT external threading, completely eliminating the PCB board copper go high current issue.CT

*The entire device is fixed connected by four panels, means no wiring, avoiding contact with Problem.

*Device uses a high-performance micro-PT, CT transformers, stability and reliability guaranteed.

*Communication device and isolated 4-20mA output using the internal power supply, reducing damage to the external signal devices.

*Panel 96mm × 96mm super thin chassis design, installation depth dimension (32mm) is only about 1/2 of the conventional design.

*58mm × 58mm large LCD screen (lithography), display rich content and clear.58mm×58mm

*Full toughened glass, including Screen printing, smooth and wear-resistant panels, beautiful, atmospheric and unique.

*Simple 2 button design.

Technical parameters

Technical parameters

Indicators Data

Analog Input

Rated value

Voltage of 220V (100V / 380V) AC; current 5A (1A);

Overload

Current: 1.2 times / duration, 10 times / 2 seconds

Voltage: 1.2 times / duration, 2 times / 2 seconds

Frequency

45-55Hz, 400Hz±5%

Accuracy class

Current and voltage: 0.2 grade, frequency: 0.05Hz

Active power, active power level: 0.5

Reactive power, reactive power level: 1.0

Display range

LCD, range: -9999.000 ~ + 9999.000

Analog Output

4~20mA DC

Power supply

Voltage

AC85V~265V or DC100V~300V

Power loss

<1.5W

Digital

Digital input 2DO

Passive node AC250V 5A 1800 times / hour

Digital input 2DI

DC AC / DC220V isolation voltage 2kV

Insulation Protection

Insulation resistance

100MΩ/500V

Pressure test

2kV/50Hz/1min

Impulse voltage

5kV/1.2/50μS/0.5J

Surroundings

Operating temperature

 -25ºC~+55ºC

Storage temperature

 -40ºC~+70ºC

Altitude

≤3500m

Heat-resistant properties

 +40ºC

Relative humidity

≤98% non-condensing

Ambient Temperature extremes range

 -40ºC~+70ºC

Anti-jamming capability

Collision ability test

Grade 100M / s2 1000 times;

Vibration endurance test

Grade 10M / s2 150Hz 20 times;

Anti-jamming capability

Electrostatic discharge immunity

Four level contact 8kV / 15kV noncontact;

RF field induced conduction

Grade , 10V / m

Harassment Immunity

Radiation emission limits

grade, 30MHz ~ 1000MHz,   

Communications

RS485, Modbus protocol;