LST96-3I / U 3 Phase Voltage Current Combination Digital Display Meter

Performance Characteristics

*High precision measurement of single/three phase voltage,three phase current,active power,reactive power,apparent power,power factor,frequency.

*Provide the digital tube display,local data query

*Programmable PT/CT ratio

*Support for RS-485 communication,modbus-RTU protocol

*Support for swith inout,output,analog transmitting output

*Auxiliary power supply:AC/DC 80-270V,AC 220V,AC 380V,AC 100V

*A variety of dimensions to meet the different requirements of the electric distribution box.

Technical Index

 Accuracy of measurement

*Voltage:level 0.5

*Current:level 0.5

*Active power:level 0.5

*Reactive power:level 0.5

*Power factor:level 0.5

*Frequency:±0.02Hz

Signal Input

*Connection Mode:signal phase two wires,three phase four wires,three phase three wires

*Rated Voltage:AC 57.7V,AC 100V,AC 220V,AC 380V

*Rated Current:AC 1A,AC 5A

*Overload Voltage:

      Voltage:1.2 times(continued),2 times/1second(instantaneous)

      Current:1.2 times(continued),10 times/5second(instantaneous)

Accessory Power Supply

*Working Range:AC/DC 80-270V,AC 220V,AC 380V,AC 100V

*Power Consumption:<4VA

Function Module

*Communication Interface:1 way RS-485 communication,modbus-RTU protocol

*Baud Rate:2400~9600bps,the default is 9600bps

*Switch Input:4 ways

*Switch Onput:3 ways(capacity:AC 250V/1A,DC 30V/5A)

*Transmission Onput:3 ways(analog Onput:0/4~20mA or 0~5/10V)

Work environment

*Working Temperature:-10℃~+55℃

*Storage Temperature:-25℃~+70℃

*Relative Humidity:≤93℃,no corrosive gas

*Altitude:≤2500m

Safety

*Insulation Resistance:>100MΩ

*Ac Electric:AC 2KV

Emc Performance

*ESD Electrostatic Discharge:class 4

*Electrical Fast Transient Burst:class 4

*Surge(impact):class 4

Specification selection

Terminal diagram

1)Singal Phase Combined(any combination of current,voltage,frequency,power factor and power)

Note:If the wiring diagram on the instrument case is inconsistent, please use the instrument case

2)Three Phase UIF Combined

Note:If the wiring diagram on the instrument case is inconsistent, please use the instrument case

typical signal wiring diagram

Order example

When ordering, you should specify the required product model, signal input,function modules and other related content

Example 1:

  Model:LST96-3UI

  Frame Size(mm):96*96

  Power supply:AC220V/50Hz

  Signal input:three phase four wires, AC 3*220/380v, AC 100A/5A

  Other:Factory settings(Not specified in accordance with the default settings factory)

Example 2:

  Model:LST96-3UI-3D

  Frame Size(mm):96*96

  Power supply:AC220V/50Hz

  Signal input:three phase three wires, AC 10kv/100v, AC 1000A/5A

  Other:Factory settings(Not specified in accordance with the default settings factory)

Q1:If I'm interested in your product when I can receive your quotation and detail information after send the enquiry?

A:All your enquiry will be replied in 24hours.

Q2:Can I get a sample before the order because I really don't how is your product quality?

A:Of course! We also think sample order is the best way to build the trust.And in our company we offer free sample service! Please send the enquiry to us and get the free sample!

Q3:Do you have a catalogue? Can you send me the catalogue to have a check of all your products?

A:Yes, We have product catalogue. Please contact us on line or send an Email to sending the catalogue.

Q4:I need your price list of all your products, do you have a price list?

A:We do not have a price list of all of our products. Because we have so many items, and it is impossible to mark all of their price on a list. And the price are always changing because of the producing cost. If you want to check any price of our products, please feel free to contact us. We will send offer to you soon!