Product parameters

● Measure and display

Three phase phase voltage Ua Ub、Uc； Three phase current Ia Ib、Ic； Active power P, reactive power Q, power factor PF, frequency f, active power of each phase

Pa、Pb、Pc； Reactive power of each phase Qa Qb、Qc； Positive active energy, negative active energy, positive reactive energy, negative reactive energy and other electrical parameters

Number. Three rows of 4-digit LED displays and one row of 8-bit LED displays display various measurement data and setting parameters.

● Input signal

Three phase AC 50/60Hz voltage and current. Input frequency: 45-75Hz.

Voltage range (phase voltage): 10V, 60V, 100V, 250V, 400V, 500V optional.

Current range: 5A, 10A, 50A 100A 200A, 300A, 500A and other options are available.

Signal processing: 16 bit A/D conversion, 6 channels, each channel synchronously AC sampled at a rate of 4KHz, real-time data from the measuring instrument is the true effective value of 1 second (per channel)

Refresh once per second.

Overload capacity: 1.4 times the range input can be measured correctly; Instantaneous (10 cycles) current 5 times, voltage 3 times the range without damage.

● Communication output

Output interface: RS-485 two-wire system+15KV ESD protection, or RS-232 three wire system+2KV ESD protection.

Communication speed (Bps): 1200, 2400, 4800, 9600, 19.2K

Communication protocol: Multiple protocols, one measuring instrument simultaneously has: (ASCII code) Advantech ADAM compatible communication protocol, hexadecimal LC-04 protocol MODBUS-ASCII、

Product series of Lichuang Technology - EX4Z31 intelligent three-phase electrical parameter data comprehensive acquisition and measurement instrument

● Measurement accuracy

Current and voltage: 0.2 level; Other battery levels: 0.5 level; Frequency: Maximum error of 0.05Hz.

Parameter setting

Address, communication rate, communication protocol, voltage ratio, current ratio, alarm parameters, alarm upper and lower limits, switch output, active and reactive power consumption of the measuring instrument

The base numbers can be set on-site through communication interfaces and panel buttons (password protected).

● Isolation voltage

Input output: 1000VDC. The current input, voltage input, AC power input, and communication interface output are all isolated from each other.

● Power supply for measuring instrument: AC220V power consumption: 1W

● Instrument specifications

Dimensions: 36.5cm * 24.5cm * 20cm

● Work environment

Working temperature: -20 ℃~70 ℃ Storage temperature: -40 ℃~85 ℃ Relative humidity: -5%~95% Non condensing