Hydrogen Sulfide (H₂S) Gas Transmitters

Modular system offering the widest range of control cards for use in an integrated fire and/or gas detection system. The Zero Two Series system can monitor any combination of the following: combustible gas, H2S, toxic gas, ultrasonic, oxygen deficiency and flame detection. In addition, its open... [See More]

• Gas Types: Toxic; Combustible; H₂S (0-20, 0-50 or 0-99 ppm); O₂
• Measurement Type: %LEL or %LFL; Trace

• Sensor Technology: Catalytic; Electrochemical; Infrared; Semiconductor
• Electrical Outputs: Current

The Acme MGMS is our latest multipoint, multigas detection system designed with modular construction and remote connectivity in mind. A DIN-rail mountable system consisting of a CM (Controller Module), RM (Relay Module), and AM (Analog Module) snap together for ease of installation, expandability,... [See More]

• Gas Types: Toxic; Combustible; NH₃; CO₂; CO; Refrigerants; Hydrocarbons; H₂; H₂S; NO₂; O₂
• Number of Gases Monitored: Multi

• Sensor Technology: Catalytic (optional feature); Electrochemical (optional feature); Infrared (optional feature)
• Electrical Outputs: Switch or Relay

The Vanguard WirelessHART, fixed point gas detector is designed to monitor gas emissions in areas with power and signal wire limitations. It significantly reduces engineering and deployment time and costs. A true wireless device with 5-year battery life and wireless HART communication, Vanguard... [See More]

• Gas Types: Toxic; Combustible; NH₃ (0 - 100 ppm); CO (0 - 500 ppm); H₂S (0 - 100 ppm) (Propane (C3H8) 0 to 100% LEL)
• Number of Gases Monitored: Multi

• Sensor Technology: Electrochemical; Infrared
• Measurement Type: %LEL or %LFL; Trace

The EC-Gold gas transmitter is part of the Arjay series of gas. detection instruments. This employs electro-. chemical sensors to target toxic gas or oxygen. concentrations in ambient air. The unique design. and flexible interface allows this transmitter to. be used with any of the Arjay controllers... [See More]

• Gas Types: Toxic; Combustible; NH₃ (0-100ppm); CO (0-500ppm); Cl₂ (0-10ppm); Refrigerants; H₂S (0-100ppm); NO₂ (0-20ppm); O₂ (0-30%)
• Measurement Type: %Volume; Trace

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

The General Monitors S5000 Gas Monitor is the ultimate gas detector for extreme environments needing to detect oxygen, toxic and combustible gases. It operates over a wide temperature range using a variety of gas sensing technologies. XCell ® gas sensors with TruCal ® technology extends... [See More]

• Gas Types: Toxic; Combustible; NH₃ (0-100 ppm, 0-1000 ppm); CO₂ (0-2000, 0-5000, 0-10000, 0-30000, 0-50000 ppm); CO (0-100, 0-500, 0-1000 ppm); Cl₂ (0-5, 0-10. 0-20 ppm); Hydrocarbons (0-100% LEL); H₂ (0-1000 ppm); HCl (0-50ppm); H₂S (0-10, 0-20, 0-50, 0-100, 0-500 ppm); NO (0-100ppm); NO₂ (0-10 ppm); O₂ (0-25 %); SO₂ (0-25 ppm, 0-100 ppm)
• Number of Gases Monitored: Single; Multi

• Sensor Technology: Catalytic; Electrochemical; Infrared; Semiconductor
• Measurement Type: %LEL or %LFL; %Volume; Trace

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

MSA's TG5000 Gas Monitor provides a safe, reliable and effective solution for the detection of combustible and toxic gases and oxygen deficiency. The TG5000 includes a 95dB audible alarm with horn silence control, LED strobe, and a helpful Bluetooth® interface that connects with MSA's X/S Connect... [See More]

• Gas Types: Toxic; Combustible; NH₃ (0-100, 0-1000 ppm); CO₂ (0-2, 0-5% Vol); CO (0-100, 0-500 ppm); Cl₂ (0-5, 0-10, 0-20 ppm); Hydrocarbons (0-100% LEL); H₂ (0-1000 ppm); H₂S (0-10, 0-50, 0-100 ppm); NO₂ (0-10 ppm); O₂ (0-25%); SO₂ (0-25 ppm)
• Number of Gases Monitored: Single; Multi

• Sensor Technology: Catalytic; Electrochemical; Infrared
• Measurement Type: %LEL or %LFL; %Volume; Trace

The Acme WS GasPost Series toxic or combustible gas sensor/transmitter measures the concentration of the target gas in an enclosed area and transmits this value to the control panel via a 900MHz or 2.4 GHz wireless medium. The WS Wireless GasPost Sensor / Transmitter includes a high gain antenna... [See More]

• Gas Types: Toxic; Combustible; NH₃ (0-100 PPM); CO (0-200 PPM); Hydrocarbons (0-40% LEL); H₂ (0-1000 PPM); H₂S (0-200 PPM); NO₂ (0-10 PPM); O₂ (0-25%)
• Number of Gases Monitored: Multi

• Sensor Technology: Catalytic (optional feature); Electrochemical (optional feature)
• Measurement Type: %LEL or %LFL; Trace

Sensor measuring up to four most common gaseous pollutants. Cost-effective, air quality and meteorological data solution AQT410 measures up to four most common gaseous pollutants such as nitrogen dioxide (NO2), sulphur dioxide (SO2), carbon monoxide (CO), and ozone (O3). Features   •... [See More]

• Gas Types: CO (0 - 10 000 ppb); H₂S (0 - 2000 ppb); NO (0 - 2000 ppb); NO₂ (0 - 2000 ppb); O₃ (0 - 2000 ppb); SO₂ (0 - 2000 ppb)
• Number of Gases Monitored: Multi

• Sensor Technology: Electrochemical
• Measurement Type: 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

P/N 10014-0200, EX-5175 Explosionproof Sensor/Transmitter, H2S. The EX-5175 Series Sensor/Transmitters utilize electrochemical type cells to detect the target gas. These cells consist of electrodes, electrolyte and an air/liquid separation barrier. Gas molecules enter the cell and, as a result of an... [See More]

• Gas Types: H₂S
• Electrical Outputs: Current

• Sensor Technology: Electrochemical
• Display: Digital

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

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 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

Model PT395-H2S is a microprocessor-based sensor designed to detect hydrogen sulfide in parts per million (ppm) level. The unit features easy one-man calibration initiated by simply activating a magnetic switch and applying the gas. The complete sensor consists of a stainless steel sensor head... [See More]

• Gas Types: H₂S (0-100ppm)
• Number of Gases Monitored: Single

• Sensor Technology: Electrochemical
• Measurement Type: Trace

Smart Sensor Technology enables SensAlertPlus to automatically recognize and configure to the gas type and range of the sensor, using the latest calibration data. The Predictive Sensor Failure (PSF) function provides warning of approaching sensor end-of-life. Non-volatile memory stores calibration... [See More]

• Gas Types: Toxic; Combustible; CO₂ (0-5%Volume); CO (0-500ppm); Cl₂ (0-10ppm); Hydrocarbons (0-100%LEL); H₂ (0-1000ppm); HCl (0-20); HCN (0-20ppm); HF (0-20); H₂S (0-100ppm); O₂ (0-25%Volume); SO₂ (0-20ppm)
• Number of Gases Monitored: Multi

• Sensor Technology: Catalytic; Electrochemical; Infrared
• Measurement Type: %LEL or %LFL; %Volume; Trace

The M2B single channel universal transmitter is designed for the most demanding, industrial applications that require a local, full-featured transmitter interface but do not require a character display. The Millennium II BASIC includes bright LED indicators for Power/Alarm/Fault conditions with an... [See More]

• Gas Types: Toxic; Combustible; NH₃; H₂S; O₂
• Number of Gases Monitored: Single; Multi

• Sensor Technology: Catalytic; Electrochemical; Infrared; Semiconductor
• Measurement Type: %LEL or %LFL; 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)

For Pollutant Gases and Particulate Matter. Cost-effective AQT420 is an air quality transmitter that measures up to four most common gaseous pollutants (NO2, SO2, CO, and ozone O3) and weather data, such as humidity, air pressure and temperature, plus particles (PM2.5 and PM10) in the ambient air. [See More]

• Gas Types: CO (0 - 10 000 ppb); H₂S (0 - 2000 ppb); NO (0 - 2000 ppb); NO₂ (0 - 2000 ppb); O₃ (0 - 2000 ppb); SO₂ (0 - 2000 ppb)
• Number of Gases Monitored: Multi

• Sensor Technology: Electrochemical
• Measurement Type: Trace

P/N 10022-0200, SDS-97D Series Sensor/Transmitter Hydrogen Sulfide, H2S. Features. Non-intrusive push button calibration. Excellent chemical selectivity. 4-20 mA output, 24 VDC powered. One-person calibration. Digital display. Electrochemical sensors. RFI/EMI resistant. Optional Precalibrated Sensor... [See More]

• Gas Types: H₂S
• Electrical Outputs: Current

• Sensor Technology: Electrochemical
• Display: Digital

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

Model PT205 sensor is designed to detect Hydrogen Sulfide in air and provides an analog output signal. PT205 uses electrochemical cell technology to detect H2S in parts per million (ppm). The complete sensor consists of a stainless steel sensor head assembly, a user connection board and a... [See More]

• Gas Types: H₂S (0-100ppm)
• Number of Gases Monitored: Single

• Sensor Technology: Electrochemical
• Measurement Type: Trace

The M22 dual channel universal transmitter has been engineered from the ground-up to include the innovative features that engineers and operators in the field demand, while providing rock solid day-to-day operation, even in the most extreme conditions. With the dual channel option you can cover more... [See More]

• Gas Types: Toxic; Combustible; NH₃; H₂S; O₂
• Number of Gases Monitored: Single; Multi

• Sensor Technology: Catalytic; Electrochemical; Infrared; Semiconductor
• Measurement Type: %LEL or %LFL; Trace

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

Model PT295-H2S is a microprocessor-based sensor designed to detect hydrogen sulfide in parts per million (ppm) level. The unit features easy one-man calibration initiated by simply activating a magnetic switch and applying the gas. The complete sensor consists of a stainless steel sensor head... [See More]

• Gas Types: H₂S (0-100ppm)
• Number of Gases Monitored: Single

• Sensor Technology: Electrochemical
• Measurement Type: Trace

The M21 single channel universal transmitter has been engineered from the ground-up to include the innovative features that managers and operators in the field demand, while providing rock solid day-to-day operation, even in the most extreme conditions. The Millennium II redefines what you expect... [See More]

• Gas Types: Toxic; Combustible; NH₃; H₂S; O₂
• Number of Gases Monitored: Single; Multi

• Sensor Technology: Catalytic; Electrochemical; Infrared; Semiconductor
• Measurement Type: %LEL or %LFL; Trace