Chlorine (CL2) Gas Sensor, 0-20ppm/0-50ppm/0-100ppm

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$206.34

Chlorine (CL2) gas sensor measures 0~20ppm, 0~50ppm, and 0~100ppm ranges with ±10% accuracy and resolutions of 1ppm or 0.1ppm, operates on 10~30V DC with RS485 and 4-20mA/0-5V/0-10V output signals, consuming 0.12W or 0.25W. Suitable for workshops, chemical plants, electronic industry, confined living places and other occasions that require real-time monitoring of chlorine concentration.

Measuring Range *
Probe *
Output Signal *

SKU: ATO-GS-CL2

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Delivery date: 6-12 days

Overview

The Chlorine (CL2) gas sensor measures 0~100ppm with high accuracy, operates on 10~30V DC with multiple outputs, and is ideal for monitoring chlorine in industrial and confined spaces.

Specification

Model	ATO-SN-300-CL2--
Power Supply	10~30V DC
Output Signal	RS485	4-20mA/0-5V/0-10V
Power Consumption	0.12W	0.25W
Operating Temperature	-20~50°C
Operating Humidity	15~90%RH (Non-condensing)
Pressure Range	90~110kPa
Stability	≤2% Signal Value/Month
Gas Zero Drift (-20~40°C)	±3%FS
Repeatability	≤3%
Service Life	≥24 months
Measurement Range	0~20ppm, 0~50ppm, 0~100ppm (optional)
Accuracy	±10%
Resolution	0~100ppm: 1ppm, 0~20ppm: 0.1ppm, 0~50ppm: 0.1ppm
Response Time	<60s
Warm-up Time	≥5min

Feature

Cl2 gas sensor probe feature

Advanced Electrochemical Sensor Technology: Utilizes high-performance electrochemical technology for fast and sensitive response, with strong anti-interference capabilities.
Multi-Range Options and Customization: Offers measurement ranges of 0-20ppm, 0-50ppm, and 0-100ppm to meet diverse application needs, with customization support for specific requirements.
High Precision and Stability: Features high accuracy (±10%) and exceptional stability, with a zero drift of ±3%FS in varying temperature ranges (-20~40°C).
Enhanced Repeatability: Provides high repeatability (≤3%), ensuring consistent and reliable measurements in all applications.
Multi-Stage Calibration: Supports multi-point standard gas calibration, ensuring highly accurate and dependable gas detection results.
Robust Build for Harsh Environments: Equipped with a high-density protective housing and internal waterproof and dustproof seals, making it suitable for tough industrial conditions.
Wide Operating Range: Functions effectively in temperatures from -20°C to 50°C and humidity levels of 15% to 90% RH (non-condensing).
ModBus-RTU Communication Protocol: Incorporates RS485 communication with ModBus-RTU protocol, enabling address and baud rate customization with a maximum transmission distance of 2000m.
Wide Voltage Power Supply: Supports a DC wide voltage range (10~30V), compatible with a variety of field power supplies.

Dimensions

Cl2 gas sensor size

Probe Size

Cl2 gas sensor probe size

Wiring Instruction

RS485

When wiring the 485 signal line, pay attention to the A/B two lines can not be reversed, the address of multiple devices on the bus can not conflict.

Function	Wire Color	Description
Power Supply	Brown	Power Positive (10-30VDC)
Power Supply	Black	Power Negative
Communication	Yellow	485-A
Communication	Blue	485-B

Analog

Wide voltage 10~30V DC power input. For 0-10V output type devices only 24V power supply can be used.

Function	Wire Color	Description
Power Supply	Orange	Power Positive (10~30VDC)
Power Supply	Black	Power Negative
Output	Blue	Transmitter Signal Positive
Output	Green	Transmitter Signal Negative

Application

Cl2 gas sensor probe application

Tips: What maintenance is required for the sensor?

The sensor requires minimal maintenance due to its stable performance and durable construction. However, periodic calibration using standard chlorine gas is recommended to maintain accuracy over time. Regular inspections to ensure the housing and seals are intact will also help extend its service life, which exceeds 24 months under normal operating conditions.

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