Sulfur Dioxide (SO₂) Gas Sensors

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

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

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: SO₂ (0-100 ppm)
• Number of Gases Monitored: Single

• Sensor Technology: Electrochemical
• Measurement Type: Trace

Model SA2-SO2 smart sensor modules are designed to detect and monitor sulfur dioxide 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... [See More]

• Gas Types: SO₂ (0-2.00 ppm to 0-1000 ppm)
• Number of Gases Monitored: Single

• Sensor Technology: Electrochemical
• Measurement Type: Trace

The Advance Optima process gas analyzers have a modular design that offers a long-term security in your investment. Analyzer modules can be freely combined into tailor-made solutions and upgraded or extended with new features at any time. Remote modules are easily attached and centrally operated. [See More]

• Gas Types: CO₂ (0-5/50 ppm); CO (0-10/50 ppm); Hydrocarbons (0-50/100/200/250/500 ppm); Methane (CH₄) / Natural Gas (0-50/100 ppm); NO (0-75 ppm); N_xO_x (0-20/50 ppm); SO₂ (0-25/100 ppm); SF₆ (0-1900/2000 ppm); Water Vapor (0-500/1000 ppm)
• Number of Gases Monitored: Multi

• Sensor Technology: Electrochemical; Flame Ionization Detector
• Measurement Type: Trace

Sulfur Dioxide Sensor Current [See More]

• Gas Types: SO₂
• Operating Temperature: -22 to 122

• Electrical Outputs: Current

EasyLine is both a powerful and affordable line of instruments for the monitoring of gas concentrations in numerous applications. Up to two analyzer modules can be combined in one housing to measure up to five different gases continuously. The advantages to you – EasyLine offers: Proven... [See More]

• Gas Types: CO₂ (0-100 ppm); CO (0-100 ppm); Methane (CH₄) / Natural Gas (0-100 ppm); NO (0-150 ppm); N_xO_x (0-100 ppm); SO₂ (0-100 ppm)
• Number of Gases Monitored: Multi

• Sensor Technology: Electrochemical; Flame Ionization Detector; PID
• Measurement Type: %Volume; Trace

Sulfur Dioxide Sensor 0 V ~ 3 V [See More]

• Gas Types: SO₂
• Operating Temperature: -40 to 122

• Electrical Outputs: Voltage

The specialists for hazardous locations. The EL3060 series is compactly built and especially designed for hazardous areas. The gas analyzer is made up of the flameproof enclosed control unit which can also contain one analyzer. The infrared photometer is built into a separate flameproof enclosure... [See More]

• Gas Types: NH₃ (0-30/500 ppm); CO₂ (0-5/50 ppm); CO (0-10/50 ppm); Hydrocarbons (0-50/100/200/250/500 ppm); Methane (CH₄) / Natural Gas (0-50/100 ppm); NO (0-75/150 ppm); N_xO_x (0-20/50 ppm); SO₂ (0-25/100 ppm); SF₆ (0-1900/2000 ppm); Water Vapor (0-500/1000 ppm)
• Number of Gases Monitored: Multi

• Sensor Technology: Infrared; PID
• Measurement Type: %Volume; Trace

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

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

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

This multi-component QCL represents the next generation of gas analyzers and sensors, with the ability to measure up to 20 gases and an interchangeable modular configuration for up to 9 lasers. An embedded ARM processor gives fully autonomous intelligent operation. Key Features/Benefits: Measure up... [See More]

• Gas Types: Combustible; NH₃ (0-4000 ppm); CO₂ (0-30%); CO (0-20000 ppm); Hydrocarbons (0-200 ppm); HCl (0-2000 ppm); HF (0-50 ppm); H₂S (0-50000 ppm); Methane (CH₄) / Natural Gas (0-20000 ppm); NO (0-10000 ppm); NO₂ (0-2000 ppm); N_xO_x (0-10000 ppm); O₂ (0-100%); SO₂ (0-4000 ppm); Water Vapor (0-40%) (Formaldehyde 0-100ppm, Hydrogen Peroxide 0-800ppm, Methanol 0-120 ppm, Nitromethane 0-120ppm)
• Number of Gases Monitored: Multi

• Sensor Technology: Infrared
• Measurement Type: %Volume; Trace

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; SO₂ (0.1 to 3 %)
• Number of Gases Monitored: Single

• Sensor Technology: Colorimetric Stain
• Measurement Type: Trace

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

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)

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

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

• Gas Types: Toxic; SO₂ (0-10ppm)
• Number of Gases Monitored: Single

• Sensor Technology: Electrochemical
• Measurement Type: Trace

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

The CommonSensor allows the user control over the cost of sensor use. By having the ability to replace sensor elements and flame arrestors, instead of the whole sensor, the user can keep the system operational with less expenditure for spares and labor. [See More]

• Gas Types: SO₂ (0-10ppm)
• Number of Gases Monitored: Single

• Sensor Technology: Electrochemical
• Measurement Type: Trace

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

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

This hybrid system is the most cost effective solution to meet the measurement needs in marine applications. Key Features/Benefits: Measure up to 10 gases simultaneously. Ambient environments of up to 70 °C (158 °F) and gas temperatures of 190 °C (374 °F). Single and dual path... [See More]

• Gas Types: Combustible; NH₃ (0-4000 ppm); CO₂ (0-30%); CO (0-20000 ppm); Hydrocarbons (0-200 ppm); Methane (CH₄) / Natural Gas (0-20000 ppm); NO (0-10000 ppm); NO₂ (0-2000 ppm); N_xO_x (0-10000 ppm); SO₂ (0-4000 ppm); Water Vapor (0-40%) (Formaldehyde 0-100ppm, Hydrogen Peroxide 0-800ppm, Methanol 0-120 ppm, Nitromethane 0-120ppm)
• Number of Gases Monitored: Multi

• Sensor Technology: Infrared
• Measurement Type: %Volume; Trace

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

ulfur Dioxide, 0-10 ppm [Refillable] [See More]

• Gas Types: Toxic; SO₂ (0-100ppm)
• Number of Gases Monitored: Single

• Sensor Technology: Electrochemical
• Measurement Type: Trace

The G-TECTA ™ 4G is a rugged, compact and easy to use 4-gas instrument with full data management and operator functionality. With 14 sensor options, one button operation and a robust water and dust resistant ergonomic casing, G-TECTA 4G is the ideal confined space entry monitor. The instrument... [See More]

• Gas Types: Toxic; Combustible; NH₃; CO₂; CO; Hydrocarbons; H₂; H₂S; Methane (CH₄) / Natural Gas; O₃; SO₂
• Measurement Type: %LEL or %LFL

• Number of Gases Monitored: Multi
• Operating Temperature: -4 to 131

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

Remotely monitor toxic gases in Class 1, Div 2 areas while reducing the maintenance, training and overall cost of gas monitoring. Sensepoint XCD RTD from Honeywell Analytics makes it easy on your maintenance team, time and budget when faced with the challenge of monitoring toxic gases in Class I,... [See More]

• Gas Types: Toxic; NH₃ (0-50 PPM); CO (0-200 PPM); Cl₂ (0-5 PPM); H₂S (0-50 PPM); NO (0-100 PPM); NO₂ (0-10 PPM); O₂ (0-25%); SO₂ (0-15 PPM)
• Measurement Type: %Volume; Trace

• Number of Gases Monitored: Multi
• Electrical Outputs: Voltage; Current

Minimum Indicated Concentration .............. 0.7 ppm. Repeatability .............................................. ± 2% of reading. Accuracy * ................................................. ± 2% of full scale. Zero Drift ................................................... < 5%... [See More]

• Gas Types: Toxic; SO₂ (0-10ppm)
• Number of Gases Monitored: Single

• Sensor Technology: Electrochemical
• Measurement Type: Trace