FST100-ZD102 Smart Turbidity Sensor

  • NG # 04032-HW-FST-007

  • MF # FST100-ZD102

The FST100-ZD102 Smart Turbidity Sensor is a high-performance online water quality monitoring sensor designed to accurately measure turbidity in water using the 90° scattered light measurement principle. Featuring an integrated temperature sensor, RS-485 communication with Modbus-RTU protocol, and IP68 protection, it delivers reliable, continuous monitoring in demanding industrial and environmental applications.

Manufactured By :
Firstrate Sensor
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Overview

The FST100-ZD102 Smart Turbidity Sensor is engineered for precise, real-time monitoring of water turbidity by detecting the concentration of suspended particles in liquids. Utilizing an advanced 90° scattered light optical measurement method, it provides stable and accurate readings for water treatment systems, industrial process control, environmental monitoring, and aquaculture applications.

Designed for continuous online operation, the sensor incorporates a built-in temperature sensor for automatic temperature compensation, ensuring dependable performance under varying environmental conditions. Its dual high-impedance differential amplifier offers excellent resistance to electromagnetic interference and rapid response times.

With an IP68-rated 316 stainless steel housing, the FST100-ZD102 withstands harsh environments, making it suitable for long-term underwater deployment. The RS-485 interface with Modbus-RTU protocol enables seamless integration into PLCs, SCADA systems, and other industrial automation platforms for efficient water quality management.

Specification

ParameterSpecification
Product ModelFST100-ZD102
Sensor TypeSmart Turbidity Sensor
Measurement Principle90° Scattered Light
Turbidity Measurement Range0–4000 NTU
Turbidity Resolution0.01%
Measurement Accuracy±1.0% FS
Temperature Measurement Range0 to 80°C
Temperature Resolution0.1°C
Temperature Accuracy±0.2°C
Built-in Temperature SensorYes
Pressure Resistance0–3 bar
Housing Material316 Stainless Steel
Protection RatingIP68
Output Signal4–20 mA (Adjustable, Three-Wire)
Digital CommunicationRS-485, Modbus-RTU
Current Output Accuracy1% FS
Maximum Load<750 Ω
Power Supply9–30 VDC (12 VDC Recommended)
Power Consumption≤10 W
Process ConnectionG 3/4
Electrical Connection5 m Direct Cable
Operating HumidityRelative Humidity <90%

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