Hydrogen (H₂) Gas Transmitters

The Acme Combustible gas sensor/transmitter measures the concentration of the target gas in an enclosed area and produces a proportional analog output signal. The Acme 40-ST Combustible Gas sensor is explosion-proof. The enclosure of the sensor/transmitter is an explosion-proof enclosure. ​. [See More]

• Gas Types: Toxic; Combustible; Hydrocarbons (0-40% LEL); H₂ (0-40% LEL)
• Number of Gases Monitored: Multi

• Sensor Technology: Catalytic
• Measurement Type: %LEL or %LFL

The new XMTCpro is a compact, rugged, online thermal conductivity transmitter that measures the concentration of binary gas mixtures including hydrogen, carbon dioxide, methane, helium and many others. Featuring real-time error detection and enhanced signal measurement for fastest response, the... [See More]

• Gas Types: CO₂; H₂; O₂; SO₂ (He, N2, Ar)
• Number of Gases Monitored: Multi

• Sensor Technology: Thermal Conductivity
• Measurement Type: %Volume

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 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 ULTIMA ® X5000 Gas Monitor is the future of gas detection for oxygen, toxic and combustible gases. MSA XCell ® gas sensors with TruCal ® technology offer calibration cycles up to 24 months (local calibration respected). The gas transmitter's advanced, multi-lingual OLED display is... [See More]

• Gas Types: Toxic; Combustible; NH₃ (0-100 ppm, 0-1000 ppm); CO₂ (0-2%, 0-5% Vol); 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, 0-50, 0-100 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
• 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

P/N 10014-1500, EX-5175 Explosionproof Sensor/Transmitter, H2. 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: H₂
• Electrical Outputs: Current

• Sensor Technology: Electrochemical
• Display: Digital

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

The Model 505 Transmitter provides extremely cost-effective protection and performance. Used exclusively with our model CGS catalytic gas sensor, the 505 provides one-person calibration capability using a standard digital volt meter. The 505's analog 4 to 20 mA output signal is compatible with our... [See More]

• Gas Types: Combustible; Hydrocarbons (0-100% LFL); H₂
• Number of Gases Monitored: Multi

• Sensor Technology: Catalytic
• 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

4 – 20 mA Loop Powered two wire Hydrogen Transmitter to be used in application where the O2 level is 0 ppm. The Model H2Trans is simple, accurate and economic measurement of Hydrogen at trace levels. A simple Display and one point calibration allow easy and fast start-up of the instrument. [See More]

• Gas Types: H₂ (0 - 100 or 0 - 10000 ppm H2)
• Number of Gases Monitored: Single

• Sensor Technology: Electrochemical
• Measurement Type: 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)

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

P/N 10022-1500, SDS-97D Series Sensor/Transmitter Hydrogen, H2. 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: H₂
• Electrical Outputs: Current

• Sensor Technology: Electrochemical
• Display: Digital

Toxic, 2 wire loop powered 4-20mA gas transmitter with integral gas concentration display. The Series 3000 MkII provides comprehensive monitoring of toxic and Oxygen gas hazards in potentially explosive atmospheres, both in and out of doors. This low powered gas detector operates on an industry... [See More]

• Gas Types: NH₃ (50 to 1,000 ppm); CO (100 to 1,000 ppm); Cl₂ (50 to 20 ppm); ClO₂ (0 to 1 ppm); H₂ (0 to 10,000 ppm); HCl (10 to 20 ppm)
• Number of Gases Monitored: Single

• Sensor Technology: Electrochemical
• Electrical Outputs: Current

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

The Model H2Trans is simple, accurate and economic measurement of Hydrogen at trace and % levels. A simple Display and one point calibration allow easy and fast start-up of the instrument. Optional 1/2 G Ex ia IIC T4 (ATEX). Specifications. Measuring range. ppm : 100 – 100000 ppm H2. [See More]

• Gas Types: Combustible; H₂ (100-100000ppm)
• Number of Gases Monitored: Single

• Sensor Technology: Electrochemical
• Measurement Type: 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

Process Online Gas Transmitter. The Hydro Transmitter from Roscid Technologies sets the standard for thermal conductivity detector-based applications within the process control industry. As a rugged transmitter, packaged in a weatherproof housing, the Hydro Trans is suitable for use in harsh,... [See More]

• Gas Types: CO₂; H₂ (N2, Ar, He)
• Number of Gases Monitored: Multi

• Sensor Technology: Solid-State TC Sensor
• Electrical Outputs: Current