Water Quality Residual Chlorine Sensor, 0~2 mg/L, 0~20 mg/L

This residual chlorine sensor employs a proven constant-voltage measurement principle, offering high sensitivity to free residual chlorine (HClO) with measurement ranges of 0~2 mg/L and 0~20 mg/L. The water quality sensor housing is available in POM + 316L stainless steel for enhanced corrosion resistance. With a response time under 90 seconds, it provides timely feedback on residual chlorine changes, enabling users to quickly adjust dosing strategies. Dual output options: RS-485 and 4–20 mA, accommodate diverse control system requirements.

Feature

• Utilizing advanced constant-voltage measurement technology, no replacement of reagents, electrolyte, or membrane is required.
• The SUCH residual chlorine sensor features a 316L stainless steel housing, offering high wear resistance, excellent temperature tolerance, and minimal deformation, significantly extending the electrode's service life.
• RS485 communication enables seamless on-site monitoring. The water quality sensor connects to third-party devices such as PLCs, DCS systems, industrial control computers, paperless recorders, or touchscreens, facilitating user data integration.

Dimension (unit: mm)

Installation Method

Note: Installing sensors is a highly meticulous task, improper installation methods will not yield satisfactory measurement data. When installing water quality sensors, carefully select the installation location and consider the mounting approach to prevent measurement data distortion.

Install using the matching flow cell. Ensure the sensor is securely mounted within the flow cell, positioning the measurement section of the residual chlorine sensor near the flow cell inlet. Avoid direct alignment with the outlet to maintain stable flow velocity. Recommended flow rate should be controlled between 30-60 L/h to ensure testing accuracy.

Wiring Diagram

Note: Considering that cables may be submerged in water (including seawater) or exposed to air for extended periods, all wiring connections must be waterproofed. User cables should possess adequate corrosion resistance.