Electrochemical chlorine (Cl2) sensor 0–20 ppm, calibrated, Gravity I2C/UART – DFRobot SEN0468

Key features

• Factory-calibrated electrochemical probe: fast and accurate measurement of the chlorine concentration in the environment
• Strong anti-interference capability, good stability and high sensitivity
• Three output modes: I2C, UART and analog voltage
• 32 selectable I2C addresses, built-in temperature compensation algorithm and threshold alarm function
• Gravity 4-pin connector for quick, solder-free connection
• Part of a series of 12 gas sensors (CO, O2, NH3, H2S, NO2, HCl, H2, PH3, SO2, O3, Cl2, HF) with the same usage and data format, which can be combined as needed
• Compatible with Arduino, ESP32 and Raspberry Pi; sample code available

Technical specifications

• Detected gas: chlorine (Cl2)
• Measuring principle: electrochemical
• Measuring range: 0–20 ppm
• Supply voltage: 3.3–5.5 V DC
• Operating current: < 5 mA
• Output: I2C, UART (0–3 V), analog voltage
• Operating temperature: -20 to +50 °C
• Operating humidity: 15–90% RH (non-condensing)
• Storage temperature: -20 to +50 °C
• Storage humidity: 15–90% RH (non-condensing)
• Probe lifespan: > 2 years (in air)
• Adapter board size: 37 × 32 mm

Typical uses

Chlorine detection in the chemical industry and pharmaceutical production, environmental protection devices.

Package contents

• 1 × Gravity Cl2 signal conversion board
• 1 × Cl2 sensor probe
• 1 × Gravity 4-pin cable