[Product Overview]
Water quality EC sensors are used to monitor the conductivity of water, that is, the capacity of dissolved ions and dissolved solids in water. They are widely used in water quality monitoring, soil salinization assessment and agricultural irrigation control.
[Product Features]
● IP68 protection, 4 bar pressure resistance
● Small size, more convenient installation, and online uninterrupted water quality monitoring
● Digital sensor, RS-485 interface, Modbus/RTU protocol
[Application Scope]
● General water treatment, sewage treatment, aquaculture, surface water monitoring
● Environmental protection engineering, cooling tower circulating water, beverages and food, industrial sewage discharge monitoring, etc.
● Pipe seat or circulation pool installation
Technical indicators
Measuring range | 0~2000μS/cm, 0~5000μS/cm, 0~20mS/cm |
Temperature measuring range | 0~50℃ |
Measuring accuracy | ±2%FS |
Resolution | 1μS/cm |
Housing material | 304 stainless steel |
Connection thread | NPT3/4 |
Signal line length | 5m (customizable) |
Pressure range | 0~4bar |
Protection level | IP68 |
Temperature sensor | PT1000 |
Note: If the technical specifications and cable definitions in the manual differ from the actual product, please refer to the technical specifications in the order.
Appearance drawing

Keywords:Industry Sensor Manufacturers,IOT sensor Suppliers,Firstrate Sensor
FST100-EC101 Water Quality Conductivity Sensor
[Product Features]
● IP68 protection, 4 bar pressure resistance
● Small size, more convenient installation, and online uninterrupted water quality monitoring
● Digital sensor, RS-485 interface, Modbus/RTU protocol
[Application Scope]
● General water treatment, sewage treatment, aquaculture, surface water monitoring
● Environmental protection engineering, cooling tower circulating water, beverages and food, industrial sewage discharge monitoring, etc.
● Pipe seat or circulation pool installation
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Classification
Company Profile and Factory Video
Firstrate
Firstrate
Firstrate
Why choose Firstrate
R&D Experience
Our company was founded in 1965 and has more than 60 years of experience in sensor R & D and production.
Product Type
Our products mainly include industrial sensors, intelligent control instruments, and IoT sensors.
International Certification
Our products have obtained CE, RoHS, ISO, ATEX and other international certifications.
Global Services
Our company produces 200,000 sensor products every year and serves more than 60 countries around the world.
one-stop sourcing
Save your time and cost,simplify procurement and keep consistency and quality.
oem odm service
60+ years OEM/ODM experience for world famous brands.
Certificate
Customer FAQ
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· Our company was founded in 1965 and has more than 60 years of experience in sensor R & D and production.
· Our products have obtained CE, RoHS, ISO, ATEX and other international certifications.
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