Chlorine (Cl2) Gas Sensors

Description

Chlorine (Cl2) gas sensors are devices designed to detect and measure the concentration of chlorine gas in the environment. These sensors are crucial for ensuring safety in environments where chlorine gas is present, as they provide real-time monitoring and alert systems to prevent exposure to harmful levels of chlorine.

Working Principle

Chlorine gas sensors often operate on the principle of electrochemical detection. In these sensors, chlorine gas diffuses through a gas-permeable membrane and interacts with an electrolyte solution. This interaction generates an electrical current proportional to the concentration of chlorine gas present. This method is particularly useful because it allows for the detection of low concentrations of chlorine gas with high specificity and sensitivity.

Applications

Chlorine gas sensors are widely used in various industries and settings. A specific example includes their use in water treatment facilities, where they monitor chlorine levels to ensure effective disinfection while preventing overexposure to chlorine, which can be harmful. They are also employed in chemical manufacturing plants and storage facilities to detect leaks and ensure worker safety.

Advantages over other Gas Sensors

Electrochemical chlorine gas sensors offer several advantages over other types of gas sensors. They are typically smaller in size and lower in cost compared to laser-based sensors, making them more accessible for widespread use. Additionally, they provide high specificity for chlorine gas, reducing the likelihood of false alarms from other gases.

Limitations

One limitation of electrochemical chlorine gas sensors is their sensitivity to environmental conditions such as temperature and pressure. These sensors have a narrower operating temperature range and can be affected by changes in atmospheric pressure, which may impact their accuracy. Additionally, they may be cross-sensitive to other compounds, which can lead to false readings.

Considerations

When selecting chlorine gas sensors, several factors should be considered. Initial costs can vary depending on the sensor type and technology. Operating expenses may include regular calibration and maintenance to ensure accuracy and reliability. Durability is a concern, as exposure to harsh environments can degrade sensor components over time. Accuracy is critical, especially in applications where precise chlorine measurements are necessary for safety and compliance. Replacement and maintenance costs should also be factored into the overall cost of ownership, as sensors may require periodic replacement of parts such as the electrolyte or membrane.

21 Results
Electrochemical Gas Sensor, 4 Series -- 4CL2-10
from Electro Optical Components, Inc.

SemeaTech, a world leader in sensing technologies, offers a full line of electrochemical sensors for detecting hazardous materials and gases for work safety and environmental protection. SemeaTech has built a wide network of industry experts and technologists to provide the company with guidance for... [See More]

  • Gas Types: Cl2 (0-10 ppm)
  • Number of Gases Monitored: Single
  • Sensor Technology: Electrochemical
  • Measurement Type: Trace
FGD14 – Safe Area Gas Detectors for Toxic Gases
from Dynament

The Dynament FGD14 series consists of standalone gas detectors featuring a front panel display that clearly shows the gas concentration level. These detectors are equipped with two control relays, which can be triggered based on user-defined alarm set points, allowing the relay contacts to control... [See More]

  • Gas Types: Toxic; CO2; CO; Cl2; H2S; O2; SO2
  • Operating Temperature: 14 to 104
  • Sensor Technology: NDIR Infrared or Electrochemical
  • Operating Humidity: 0 to 95
Toxic Gas Sensor/Transmitter -- GasPost, RS485 Series
from Acme Engineering Products

The Acme GasPost toxic gas sensor/transmitter measures the concentration of the target gas in an enclosed area and produces a proportional analog output signal. ​. The 4-20mA transmitter is designed for standard 2-wire loop-powered operation where the output is supplied via the same pair of... [See More]

  • Gas Types: Toxic; Combustible; NH3 (0-100 PPM); CO (0-200 PPM); Cl2 (0-5 PPM); H2 (0-1000 PPM); H2S (0-200 PPM); NO2 (0-10 PPM); O2 (0-25 %); SO2 (0-10 PPM)
  • Number of Gases Monitored: Multi
  • Sensor Technology: Electrochemical
  • Measurement Type: Trace
Smart Gas Sensor - Chlorine (Cl2) -- Model SA2-CL2
from Safeguard Analytics

Model SA2-CL2 smart sensor modules are designed to detect and monitor chlorine gas in ambient air. The modules consist of an electrochemical gas detection sensor and a micro-processor-based signal conditioning circuit. The signal conditioning circuits includes embedded temperature compensation and... [See More]

  • Gas Types: Toxic; Cl2 (0-1.00 ppm to 0-1,000 ppm)
  • Number of Gases Monitored: Single
  • Sensor Technology: Electrochemical
  • Measurement Type: Trace
All-In-One Gas Monitoring Solution -- Sensepoint XCD
from Honeywell Analytics, Inc.

The Sensepoint XCD transmitter provides comprehensive monitoring of combustible, toxic and Oxygen gas hazards in potentially explosive atmospheres, indoors and outdoors —and is marked by installation ease and flexibility, user-friendly operation and cost-effective gas monitoring. Sensepoint... [See More]

  • Gas Types: Toxic; Combustible; NH3 (0-50PPM); CO (0-200 PPM / 0-500 PPM); Cl2 (0-5 PPM / 0-15 PPM); Hydrocarbons (0-100% LEL); H2 (0-1000 PPM); H2S (0-50 PPM / 0-100 PPM / 0-20 PPM); NO2 (0-10 PPM); O2 (0-25% VOL); SO2 (0-15 PPM / 0-50 PPM)
  • Number of Gases Monitored: Single
  • Sensor Technology: Catalytic; Electrochemical
  • Measurement Type: %LEL or %LFL; %Volume; Trace
Eight Channel Gas Controller -- P2260
from Conspec Controls Inc.

CONSPEC Controls Multi-Channel Controller is a microprocessor-based multi-analog input controller. The P2259/60 was designed to be an independent stand-alone controller but can integrate into any type of data acquisition system. The Controller can provide up to eight channels of remote monitoring... [See More]

  • Gas Types: Combustible; Aerosols; NH3; AsH3; Br2; CO2; CO; Cl2; ClO2; B2H6; F; GeH4; Refrigerants; Hydrocarbons; H2; HCl; HCN; HF; H2Se; H2S; NO; NO2; O2; O3; PH3; SiH4; SO2; SF6
  • Number of Gases Monitored: Multi
  • Sensor Technology: Catalytic; Electrochemical; Infrared; PID; Thermal Conductivity
  • Measurement Type: %LEL or %LFL; %Volume; Trace
Toxic Gas Detector -- GT3000
from Det-Tronics

The Det-Tronics GT3000 line of electrochemical fixed-point toxic-gas detectors provides continuous monitoring of the atmosphere for potentially hazardous toxic gas leaks or oxygen depletion. The GT3000 family currently includes sensors that detect each of the following gases (additional gases added... [See More]

  • Gas Types: Toxic; NH3 (0-100ppm); CO (0-500ppm); Cl2 (0-10ppm); H2S (0-50 ppm; 0-100 ppm); O2 (0-25%); SO2 (0-20 ppm)
  • Number of Gases Monitored: Multi
  • Sensor Technology: Electrochemical
  • Measurement Type: %Volume; Trace
Detector Tube -- 9002-63
from Terra Universal, Inc.

Complete, easy-to-use sampling and analysis system. Detects and measures hazardous gases and vapors. Certified by the Safety Equipment Institute (SEI). Ideal for monitoring performance of Terra Exhaust Purification Filters. The most cost effective solution to air sampling and analysis. This Toxic... [See More]

  • Gas Types: Toxic; Cl2 (1 to 40 PPM)
  • Number of Gases Monitored: Single
  • Sensor Technology: Colorimetric Stain
  • Measurement Type: Trace
Gas Sensor -- GAS
from RainWise, Inc.

Rainwise offers customized turnkey weather monitoring solution. [See More]

  • Gas Types: Toxic (optional feature); Combustible (optional feature); NH3 (Contact Factory); AsH3 (Contact Factory); Br2 (Contact Factory); CO (Contact Factory); Cl2 (Contact Factory); ClO2 (Contact Factory); B2H6 (Contact Factory); F (Contact Factory); GeH4 (Contact Factory); H2 (Contact Factory); HCl (Contact Factory); HCN (Contact Factory); HF (Contact Factory); H2Se (Contact Factory); H2S (Contact Factory); NO (Contact Factory); NO2 (Contact Factory); O2 (Contact Factory); O3 (Contact Factory); PH3 (Contact Factory); SiH4 (Contact Factory); SO2 (Contact Factory)
  • Number of Gases Monitored: Single
  • Sensor Technology: Electrochemical
  • Measurement Type: %LEL or %LFL; Trace
Sensor Transmitter -- GDS-49
from Global Detection Systems Corp.

The GDS-49 is a two-wire loop-powered 4-20mA sensor transmitter designed to detect a wide range of toxic gases at ppm levels. The current loop output is compatible with the C1 Protector, C2 Protector, C2 Quad Protector or C64 Protector Controllers, the GASMAX II or GASMAX CX gas monitors or any... [See More]

  • Gas Types: Toxic; Combustible; NH3 (0-100 ppm); AsH3 (0-1 ppm); CO (0-300/1000 ppm); Cl2 (0-5/50 ppm); ClO2 (0-1 ppm); F (0-1 ppm); H2 (0-2000 ppm); HCl (0-30 ppm); HCN (0-50 ppm); HF (0-10 ppm); H2S (0-50/100 ppm); NO (0-100/500 ppm); NO2 (0-5/50 ppm); O2 (0-25%); O3 (0-1 ppm); SiH4 (0-50 ppm); SO2 (0-20/100 ppm) (COCI2 0-1ppm N2H4 0-1ppm TBM 0-14ppm)
  • Number of Gases Monitored: Multi
  • Sensor Technology: Electrochemical
  • Measurement Type: %LEL or %LFL (optional feature); Trace (optional feature)
Refillable SensAlert Chlorine 10.0 ppm -- 021201-D-1
from Sensidyne, LP

Minimum Indicated Concentration .............. 0.4 ppm. Repeatability .............................................. ± 10% of reading. Accuracy * ................................................. ± 10% of reading. Zero Drift ................................................... < 5%... [See More]

  • Gas Types: Toxic; Combustible; Cl2 (0-10ppm)
  • Number of Gases Monitored: Single
  • Sensor Technology: Electrochemical
  • Measurement Type: Trace
Sensor/Smart Single Point -- 295
from Analytical Systems Int’l. Keco

The regulated d.c. power supply provides a constant standing voltage. The gas diffuses through a porous filter and contacts the surface of the sensor element. A change in resistance occurs that is proportional to the concentration at gas applied. This signal is then amplified and sent to the... [See More]

  • Gas Types: Toxic; Combustible; CO2; CO; Cl2; H2S; O2; SO2
  • Number of Gases Monitored: Multi
  • Sensor Technology: Catalytic; Electrochemical
  • Measurement Type: %LEL or %LFL
Premium Single Gas Instrument -- G-TECTA SG
from Linde North America, Inc.

G-TECTA ™ SG is a fully functional premium single gas instrument, water and dust resistant, with one button operation and a choice of 28 sensors to suit almost every application. The lightweight and robust design combined with full download and data logging capability offers the ideal single... [See More]

  • Gas Types: Toxic; Combustible; NH3; CO2; CO; Cl2; ClO2; Hydrocarbons; H2; HCN; HF; H2S; Methane (CH4) / Natural Gas; NO; NO2; O3; PH3; SO2
  • Measurement Type: %LEL or %LFL
  • Number of Gases Monitored: Single
  • Operating Temperature: -4 to 149
Apex Gas Transmitter and Sensor
from Honeywell Analytics, Inc.

Highest performance fixed flammable and toxic gas detector with a choice of communication outputs, accessories and installation flexibility. Apex takes the best elements of gas detection design and combining them into one unit. Apex provides the highest performance, installation flexibility, a wide... [See More]

  • Gas Types: Toxic; Combustible; NH3 (0-50 PPM / 0-1000 PPM); AsH3 (0-0.2 PPM); Br2 (0-0.4 PPM); CO (0-100 PPM / 0-500 PPM); Cl2 (0-2 PPM / 0-15 PPM); ClO2 (0-0.4 PPM); B2H6 (0-0.4 PPM); F (0-4 PPM); GeH4 (0-0.8 PPM); Hydrocarbons (0-100% LEL); H2 (0-1000 PPM); HCl (0-20 PPM); HCN (0-20 PPM); HF (0-12 PPM); H2S (0-15 PPM / 0-100 PPM); NO (0-100 PPM); NO2 (0-12 PPM); O2 (0-21 % v/v); O3 (0-4 PPM); PH3 (0-1.2 PPM); SiH4 (0-20 PPM); SO2 (0-8 PPM / 0-50 PPM) (Many other toxic gases- see datasheet)
  • Number of Gases Monitored: Multi
  • Sensor Technology: Catalytic; Electrochemical
  • Measurement Type: %LEL or %LFL; %Volume; Trace
Single Channel Gas Controller -- P2065
from Conspec Controls Inc.

CONSPEC's Single Channel Controllers are single point monitoring and control processors, which are housed in a NEMA 4-4X weatherproof non-metallic enclosure and are designed to monitor and display any voltage or current input signal from any instrument, including CONSPEC's EZ-CAL Toxic and... [See More]

  • Gas Types: Toxic; Combustible; Aerosols; NH3 (0-50, 100, 200, 500ppm); AsH3; Br2 (0-10ppm); CO2 (0-2000ppm, 10000ppm 0-2%, 0-5%, 0-100%); CO (0-50, 100, 200, 500, 1000, 10000, 50000); Cl2 (0-10, 20ppm); ClO2 (0-5 ppm); B2H6; F; GeH4; Refrigerants; Hydrocarbons (0-100% LEL or 0-100% Vol.); H2 (0-2000, 10,000ppm 0-4%); HCl (0-25, 100, 150ppm); HCN; HF; H2Se; H2S (0-25, 50, 100, 200ppm); NO (0-50, 100ppm); NO2 (0-20ppm); O2 (0-25, 100%); O3 (0-2, 5ppm); PH3; SiH4; SO2 (0-10, 100, 1000, 2000ppm); SF6
  • Number of Gases Monitored: Single
  • Sensor Technology: Catalytic; Electrochemical; Infrared; PID; Thermal Conductivity
  • Measurement Type: %LEL or %LFL; %Volume; Trace
SensAlert Chlorine Sensor 100ppm -- 021232-D-3
from Sensidyne, LP

Chlorine, 0-100 ppm [See More]

  • Gas Types: Toxic; Cl2 (0-100ppm)
  • Number of Gases Monitored: Single
  • Sensor Technology: Electrochemical
  • Measurement Type: Trace
Robust 4 Gas Instrument -- G-TECTA 4GP
from Linde North America, Inc.

G-TECTA ™ 4GP is an extremely robust 4 gas instrument with built in pump and charger. The single button operation and full data management allows the users to effectively manage their gas detection requirements with confidence. G-TECTA 4GP has infrared communication, full functional capability... [See More]

  • Gas Types: Toxic; Combustible; NH3; CO; Cl2; H2; HCN; HF; H2S; Methane (CH4) / Natural Gas; NO; NO2; O2; O3; PH3; SO2
  • Measurement Type: %LEL or %LFL
  • Number of Gases Monitored: Multi
  • Operating Temperature: -4 to 131
Multichannel Gas Monitoring System -- Manning Air Alert 96d
from Honeywell Analytics, Inc.

Acts as the nerve center of a modular gas detection network by providing continuous monitoring of up to 96 sensors. The Manning AirAlertTM 96d multichannel gas monitoring system is designed for installation and operational simplicity for continuous monitoring and control of toxic gases, combustible... [See More]

  • Gas Types: Combustible; CO2; CO; Cl2; H2; O2
  • Number of Gases Monitored: Multi
  • Sensor Technology: Electrochemical
  • Electrical Outputs: Voltage; Switch or Relay
Sixteen Channel Gas Controller -- P2260-16
from Conspec Controls Inc.

CONSPEC Controls Multi-Channel Controller is a microprocessor-based multi-analog input controller. The P2260 was designed to be an independent stand-alone controller but can integrate into any type of data acquisition system. The Controller can provide up to sixteen channels of remote monitoring and... [See More]

  • Gas Types: Combustible; Aerosols; NH3; AsH3; Br2; CO2; CO; Cl2; ClO2; B2H6; F; GeH4; Refrigerants; Hydrocarbons; H2; HCl; HCN; HF; H2Se; H2S; NO; NO2; O2; O3; PH3; SiH4; SO2; SF6
  • Number of Gases Monitored: Multi
  • Sensor Technology: Catalytic; Electrochemical; Infrared; PID; Thermal Conductivity
  • Measurement Type: %LEL or %LFL; %Volume; Trace
SensAlert Chlorine Sensor 5.0ppm -- 025142-D-2
from Sensidyne, LP

Minimum Indicated Concentration .............. 0.16 ppm. Repeatability .............................................. ± 2% of reading. Accuracy * ................................................. ± 2% of full scale. Zero Drift ................................................... < 5%... [See More]

  • Gas Types: Toxic; Cl2 (0-5ppm)
  • Number of Gases Monitored: Single
  • Sensor Technology: Electrochemical
  • Measurement Type: Trace
Single Gas Instrument -- G-TECTA SG2
from Linde North America, Inc.

The G-TECTA ™ SG2 instrument offers the user a simple to use, low maintenance disposable gas detector with a warranted 2 year life. Designed to resist the most arduous environments and to be used with basic training, the G-TECTA SG2 is ideal for contract work and where limited functionality is... [See More]

  • Gas Types: NH3; CO; Cl2; H2S; O2; SO2
  • Operating Temperature: -4 to 122
  • Number of Gases Monitored: Single
  • Operating Humidity: 5 to 95