Guangzhou, Guangdong, China
Member Since: 2017
Intelligent Digital Meter is suitable for measuring and displaying electrical parameters of current in power grid and automation systems. It is a new design meter with advantages of high accuracy, good stability, and resistance to vibration.
Measurement: three-phase current, zero sequence current, three-phase current imbalance, three-phase / phase voltage, zero sequence voltage, three-phase voltage unevenness
Reactive power, power in the power factor, power factor, frequency, four quadrant active 7 reactive energy metering.
Metering: active energy, reactive energy
Display: 5 "blue screen, wide-angle, high-quality, high-definition LCD display, 12 bit LED display
Communication: RS485 communication, MODBUS-RTU protocol
Output: 2-way power pulse output "pulse constant 1000imp/kwh
Expansion: can be directly from the current, voltage transformer access signal to achieve programmable input parameter changes
Uses:line, bus and an important distribution circuit
A variety of dimensions:80×80,72×72, 96x96, 120x120 can be used for different switchgear
Applications are very extensive, such as energy management systems, power monitoring systems, industrial and mining enterprises, public facilities, intelligent buildings and switchgear and other distribution network system.
* 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.
*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.
Voltage of 220V (100V / 380V) AC; current 5A (1A);
Current: 1.2 times / duration, 10 times / 2 seconds
Voltage: 1.2 times / duration, 2 times / 2 seconds
Current and voltage: 0.2 grade, frequency: 0.05Hz
Active power, active power level: 0.5
Reactive power, reactive power level: 1.0
LCD, range: -9999.000 ~ + 9999.000
AC85V~265V or DC100V~300V
Digital input 2DO
Passive node AC250V 5A 1800 times / hour
Digital input 2DI
DC AC / DC220V isolation voltage 2kV
Ambient Temperature extremes range
Collision ability test
Grade 100M / s2 1000 times;
Vibration endurance test
Grade 10M / s2 150Hz 20 times;
Electrostatic discharge immunity
Four level contact 8kV / 15kV noncontact;
RF field induced conduction
Grade , 10V / m
Radiation emission limits
grade, 30MHz ~ 1000MHz,
RS485, Modbus protocol;