Conductivity Sensors

Name: Conductivity Sensors
Brand: Anhui Jujie Automation Technology Co., LTD.
Availability: InStock

conductivity sensors adopt 2-pole/4-pole structures with diverse cell constants, covering ultra-pure to high-concentration liquids. IP68 waterproof, built-in temperature probe matched with industrial transmitters for water quality monitoring.

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Features of Conductivity Sensors

2-pole & 4-pole types with multiple cell constants (0.01/0.1/0.5/1.0) for full-range water
SS316L/graphite measuring electrodes, IP68 fully waterproof, max 0.8MPa pressure resistance
Built-in NTC/PT1000 temperature probe for automatic temperature compensation
±1%FS high accuracy, supports EC/TDS/salinity multi-parameter measurement
Standard NPT3/4 thread, 4-core cable extendable up to 100 meters
Two calibration ways: standard solution calibration & on-site sample calibration
Dedicated models for pure water, boiler water, seawater and general wastewater

Specification of Conductivity Sensors

Product Name	Online Conductivity Meter/Resistivity Meter/TDS Meter/Salinity Meter (Used with different electrodes, remarks required when ordering)
Measuring Range	Conductivity: 0~500mS/cm, TDS: 0~250g/L, Salinity: 0~700PPT; Resistivity: 0~18.25MΩ/cm Temperature: 0~80℃ (depending on the electrode)
Measurement Accuracy	Conductivity/TDS/Salinity/Resistivity: ±1%F.S; Temperature: ±0.3℃
Temperature Compensation	Automatic or manual
Resolution	Conductivity: 0.01us/cm; 0.01ms/cm; TDS: 0.01mg/L; Salinity: 0.01ppt; Resistivity: 0.01KΩ/cm; 0.01MΩ/cm; Temperature: ±0.1℃
Stability	Conductivity/TDS/Salinity/Resistivity: ≤0.2%F.S/24h
Relay	Two sets of 5A 240VAC/5A 28VDC or 120VAC
Power Supply	85 ~ 265VAC or 9 ~ 36VDC, Power: ≤3W
Current Output	Standard 1 channel 4-20mA, optional 2 channels
Communication Output	Standard RS485 Modbus RTU
Overall Dimensions	9898130mm
Cutout Dimensions	93*93mm
Protection Class	IP65
Installation Method	Panel mounting/cabinet mounting/embedded or wall mounting
Instrument Weight	0.6kg
Ambient Temperature	-10 ~ 60℃; Relative humidity: ≤90%; No strong magnetic field interference around except the earth's magnetic field

Model No.	CS3701	CS3731	CS3732	CS3733	CS3740PC
Cell constant	K=1.0	K=1	K=0.1	K=0.01	K=0.5
Electrode type	2-electrode Conductivity sensor	2-electrode Conductivity sensor	2-electrode Conductivity sensor	2-electrode Conductivity sensor	4-pole Conductivity sensor
Measure material	Graphite	SS316L	SS316L	SS316L	Graphite
Waterproof rating	IP68	IP68	IP68	IP68	IP68
Measurement range	EC: 0.1-30ms/cm, TDS:0~15g/L, Salt: 0~18ppt, 1.8%	0.1-5000us/cm	0.1-200us/cm	0.1-20us/cm	10-500,000us/cm
Accuracy	±1%F.S	±1%F.S	±1%F.S	±1%F.S	±1%F.S
Pressure resistance	≤0.8Mpa	≤0.6Mpa	≤0.8Mpa	≤0.8Mpa	≤0.6Mpa
Temperature compensation	NTC10K	PT1000	PT1000 ATC	PT1000 ATC	NTC10K(Default), or customized PT100, PT100
Temperature range	-10-80℃	0-50℃	-10-80℃	-10-80℃	-10-60℃
Measuring/Storage Temperature	0-45℃	0-45℃	0-45℃	0-45℃	0-45℃
Calibration	Sample calibration, standard liquid calibration	Sample calibration, standard liquid calibration	Sample calibration, standard liquid calibration	Sample calibration, standard liquid calibration	Sample calibration, standard liquid calibration
Connection methods	4 core cable	4 core cable	4 core cable	4 core cable	4 core cable
Cable length	Standard 10 m cable, can be extended to 100m	Standard 10M	Standard 5m cable, can be extended to 100m	Standard 5m cable, can be extended to 100m	Standard 5m cable, can be extended to 100m
Installation thread	NPT3/4"	NPT3/4”	NPT3/4”	NPT3/4”	NPT3/4”
Application	General purpose	Pure, Boiler Feed water, Power Plant, Condensate Water.	Pure, Boiler Feed water, Power Plant, Condensate Water.	Pure, Boiler Feed water, Power Plant, Condensate Water.	General purpose

Diagram of Conductivity Sensors

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