SUP-TDS210-B Conductivity meter
Conductivity meter ec controller Resistivity analyzer Conductivity controller Hardness controller

SUP-TDS210-B Conductivity meter

SUP-TDS210-B Conductivity/Hardness/Resistivity Online analyzer, an intelligent Online chemical analyzer, is widely applied for continuous monitoring and measurement of EC value or TDS value or ER value and temperature in the solution in the industry of thermal power, chemical fertilizer, environmental protection, metallurgy, pharmacy, biochemistry, food and water, etc.


Range: 0.01 electrode: 0.02~20.00us/cm
  0.1 electrode: 0.2~200.0us/cm
  1.0 electrode: 2~2000us/cm
  10.0 electrode: 0.02~20ms/cm

Resolution: ±2%FS

Output signal: 4~20mA; Relay; RS485

Power supply: AC220V±10%, 50Hz/60Hz


Hotline: +86 15867127446 (WhatApp)

Email :

  • Specification
  Product   TDS meter, EC controller
  Model  SUP-TDS210-B
  Measure range  0.01 electrode: 0.02~20.00us/cm
 0.1 electrode: 0.2~200.0us/cm
 1.0 electrode: 2~2000us/cm
 10.0 electrode: 0.02~20ms/cm

EC/TES/ER: ±0.1%FS

NTC10K: ±0.3℃

PT1000: ±0.3℃

  Measuring medium  Liquid
  Temp compensation

 Manual/ Auto temperature 


  Temperature Range  -10-130℃, NTC10K or PT1000
  Communication  RS485, Modbus-RTU
  Signal output  4-20mA, maximum loop 750Ω, 0.2%FS
  Power supply

 AC:220V±10%, 50Hz/60Hz

DC:    24V±20%

  Relay output  250V, 3A
  • Introduction

conductivity meter


  • Application

RO system


conductivity meter


  • Advantages

Isolating transmitting output, with little interference.

Isolating RS485 communication.

EC/TDS measurement, temperature measurement, 

     top/bottom limit control, transmitting output, RS485 communication.

Configurable manual and auto temperature offset function.

Configurable upper/lower limit warning and delay.

Configurable hummer and LCD backlight switch.

Addition of universal password.

Industrial controlled door keep, to avoid instrument halted.

  • Description

online ec controller

Conductivity sensor

ec sensor dimension

how tds electrode choose