EC · Conductivity Sensor

M200 EC Digital Sensor

The electrode method measures conductivity from 100 uS/cm to 500 mS/cm, with +/-2%FS accuracy and PT1000 temperature compensation. IP68 protection and submersion, flow-through, or insertion mounting cover applications from ultrapure water to high-salinity industrial wastewater.

Conductivity Sensor
500 ms/cm
Max Range
1 μs/cm
Resolution
±2 %FS
Measurement Accuracy
IP68
Full protection · RS485
Features

One conductivity platform for ultrapure to high-salinity water

Selectable cell constants and PT1000 compensation keep readings stable across the range. IP68 protection and corrosion-resistant housings suit pure water, circulating water, and high-salinity wastewater.

Advanced Circuitry

high-stability measurement circuit,μs weaksignalHigh-precision Acquisition,Anti-electromagnetic Interference.

Easy Installation

Submersion / flow-through / threaded insertion options, standard 5m cable for quick deployment.

Industrial-grade Protection

IP68 protection with corrosion-resistant PP, PTFE, or 304L housings for different applications.

Fast Response

PT1000 Automatic Temperature Compensation,Fast Response,Low Drift,Low Maintenance.

Model Selection

EC Sensor Model Overview

The series supports multiple installation methods and water types. Filter by installation method, then add a model to your selection list or contact our engineers for verification.

M200-CD-01
RS485 Digital
Submersion · General Purpose
Range0–2000 μs/cm
Electrode ConstantK=1.0
Temp. Range0–60°C
Housing MaterialPPS
WastewaterSurface WaterRiver Monitoring
M200-CD-02
RS485 Digital
Flow-through · Pure Water Type
Range0.1–200 μs/cm
Electrode ConstantK=0.1
Temp. Range0–50°C
Housing MaterialABS
Pure WaterUltrapure WaterReverse Osmosis
M200-CD-03
RS485 Digital
Submersion · High Salinity Type
Range100μs–500ms/cm
Electrode ConstantK=10
Temp. Range0–50°C
Housing MaterialPP
High-salinity WastewaterSeawaterSalinity Monitoring
M200-CD-04
RS485 Digital
Threaded Insertion · Process
Range0–20000 μs/cm
Electrode ConstantK=1.0
Temp. Range0–80°C
Housing Material304 Stainless Steel
ChemicalIndustrial ProcessesCirculating Water
M200-CD-05
4-20mA Analog
Flow-through - Online Type
Range0–2000 μs/cm
Electrode ConstantK=1.0
Temp. Range0–60°C
Housing MaterialABS
Tap WaterSecondary SupplyCirculating Water
M200-CD-06
RS485 Digital
Submersion - Power Type
Range0–200 μs/cm
Electrode ConstantK=0.1
Temp. Range0–80°C
Housing MaterialPTFE
Boiler WaterCondensatepower plant
Specifications

Complete Specifications

General specifications for the series. Range, housing, and output vary by model and are confirmed during selection.

Measured Parameter
Conductivity(EC)
Measuring Range
100μs ~ 500ms/cm(stepped)
Electrode Constant
K=0.1 / 1.0 / 10 (by range)
Resolution
1 μs/cm or 0.1 ms/cm
Measurement Accuracy
±2%FS
Temp. Compensation
Automatic(PT1000)
Temp. Measurement range
0.0-60.0°C (High Temperature Type up to 80°C)
Pressure Range
0–5 bar
Housing Material
PPS / PP / PTFE / 304L(By Model)
Process Connection
G3/4 · NPT3/4 · M39×1.5
Cable Length
Standard 5m (Customizable)
Protection Rating
IP68
Power Supply
DC9–30V(recommended DC12V)
Electrical Connection
RS485 (MODBUS-RTU) or 4-20mA Analog
Installation
Submersion / Flow-through / Insertion
Warranty
1 year
Applications

Suitable Water Types

Conductivity reflects ionic content and salinity, from ultrapure-water production to industrial wastewater. Select the cell constant, housing, and installation that match your process below.

Pure Water & Purification

5
Ultrapure WaterPurified WaterDrinking WaterReverse OsmosisDesalination

Municipal & Environmental

5
Wastewater TreatmentWastewater TreatmentSurface WaterRiver MonitoringAquaculture

Industrial Processes

4
PowerChemicalPharmaceuticalFood

Circulation & Thermal

4
Industrial WaterCirculating WaterCooling WaterBoiler Water
Get a recommendation

Tell us your water type and range, and we will recommend the right EC model

Send us the conductivity range, water temperature, and installation conditions. Our engineers will recommend the cell constant, housing, output, and installation, then configure the EC probe for plug-and-play connection to an 8-channel monitor.