EC Sensor and Meter

An electrical conductivity meter (EC meter) measures the electrical conductivity in a solution. It has multiple applications in research and engineering, with common usage in hydroponics, aquaculture, aquaponics, and freshwater systems to monitor the amount of nutrients, salts or impurities in the water. It integrates with conductivity, TDS and salinity measurement for cost-effective water quality meter. Find out Pokcenser ec meter with multiple ranges.

Sales contact

Pokcenser Automation Technology Co., Ltd

Mobile: +86 181 7515 5326
Email: info@pokcenser.com
Tel: +86-731-8229 9492

PCS3740PCD Digital Conductivity TDS Salinity Sensor

Features

  • 2 or 4 electrodes measurement design, anti-interference of ion cloud.
  • 316L stainless steel/graphite wetted part has strong pollution resistance.
  • Measuring Range: Conductivity: 0-30ms/cm; 0-500ms/cm, TDS: 0-15g/L; 0-250g/L, Salinity: 0-18ppt; 0-700ppt
  • With temperature measurement and temperature compensation
  • Simple installation: Submerged or NPT3/4 thread connection

Application:

  • Aquaculture
  • Purified water
  • Drinking water
  • Surface water
  • Various water supplies
  • Industrial wastewater treatment

Advantages

  • High accuracy and linearity, the wire impedance does not affect the test accuracy.
  • The electrode coefficient is highly consistent.
  • Digital sensor, strong anti-interference ability, high stability, long transmission distance.

The conductivity sensor with modbus protocol is a multi parameters measurement water quality sensor, for continuous monitoring and control of conductivity / TDS / salinity and temperature values of aqueous solutions. The digital ec meter with probe has IP68 waterproof.

Resources

Datasheet

File Name

Time 

Type 

Download

PCS3740PCD Digital Conductivity TDS Salinity Sensor

June 06, 2025

PDF 

Technical Parameters

Measuring Range Conductivity: 0-500ms/cm
TDS: 0-250g/L
Salinity: 0-700ppt
Accuracy ±1%F.S
Signal Output RS485 MODBUS RTU
Power Supply 9~36VDC
Electrode Material Graphite
Body Material PP + ABS
Waterproof Class IP68
Pressure Range ≤0.6Mpa
Temperature Compensation NTC10K
Temperature Range 0-60℃
Calibration Sample calibration, standard solution calibration
Connection Method 4-core cable
Cable Length 10m cable as standard (max 100m)
Installation Thread NPT3/4”/Submerged
Installation requirement Distance >5cm from sensor to the bottom of liquid
Scope of application General application, drinking water, industrial water,

river and lake water quality

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Measuring Range Conductivity: 0-500ms/cm
TDS: 0-250g/L
Salinity: 0-700ppt
Accuracy ±1%F.S
Signal Output RS485 MODBUS RTU
Power Supply 9~36VDC
Electrode Material Graphite
Body Material PP + ABS
Waterproof Class IP68
Pressure Range ≤0.6Mpa
Temperature Compensation NTC10K
Temperature Range 0-60℃
Calibration Sample calibration, standard solution calibration
Connection Method 4-core cable
Cable Length 10m cable as standard (max 100m)
Installation Thread NPT3/4”/Submerged
Installation requirement Distance >5cm from sensor to the bottom of liquid
Scope of application General application, drinking water, industrial water,

river and lake water quality

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