Trace Gas Transmitters

Model 9100 cross stack infrared, in-situ carbon monoxide monitors provide high accuracy and reliability, coupled with straightforward installation and setup and is suitable for a wide range of industrial combustion efficiency monitoring applications. This carbon monoxide monitor is designed to... [See More]

• Measurement Type: Trace
• Number of Gases Monitored: Single

• Sensor Technology: Infrared
• Gas Types: Toxic; CO (0-10000 ppm)

The HLM 2000-TX gas transmitter is a 4-20 mA loop powered transmitter for monitoring toxic gases at ppm concentrations and oxygen levels in %. The sensing elements are gas selective electrochemical technology. The electronics are mounted directly at the sensor for ease of calibration and... [See More]

• Measurement Type: %Volume; Trace
• Gas Types: Toxic; Combustible; NH₃ (0-100ppm); CO (0-500ppm); Cl₂ (0-10ppm); HCl (0-10ppm); H₂S (0-100ppm); NO (0-100ppm); NO₂ (0-20pm); O₂ (0-30%); SO₂ (0-50ppm)

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

Panametrics ’ oxy.IQ contains a built-in microprocessor and is designed to easily fit into any installation site. The oxygen analyzer serves both general purpose and hazardous areas with an intuitive interface for easy programming. Applications. An oxygen transmitter for use in: Glove box... [See More]

• Measurement Type: %Volume; Trace; Leakage
• Number of Gases Monitored: Single

• Sensor Technology: Electrochemical
• Gas Types: O₂ (0-10 ppm to 0-50%)

The Chillgard 5000 Ammonia Monitor accurately detects ammonia gas leaks as low as 10 ppm for early notification, keeping your plant safe according to ANSI/IIAR and EN 378. Using Photoacoustic Infrared (PAIR) technology provides a more accurate measurement and requires less maintenance than... [See More]

• Measurement Type: Trace
• Number of Gases Monitored: Single

• Sensor Technology: Infrared; Photoacoustic Infrared
• Gas Types: Toxic; NH₃ (0-1000 ppm)

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]

• Measurement Type: %LEL or %LFL; Trace
• Number of Gases Monitored: Multi

• Sensor Technology: Electrochemical; Infrared
• Gas Types: Toxic; Combustible; NH₃ (0 - 100 ppm); CO (0 - 500 ppm); H₂S (0 - 100 ppm) (Propane (C3H8) 0 to 100% LEL)

The Edgetech Instruments Model DewTrak II dew point / humidity transmitter is an optical chill mirror hygrometer designed to continuously measure the moisture content in gases. The instrument is powered by 24Vdc. The DewTrak II uses the chilled mirror dew point temperature condensation principle to... [See More]

• Measurement Type: Trace
• Number of Gases Monitored: Single

• Sensor Technology: Chilled mirror sensor
• Gas Types: Water Vapor

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]

• Measurement Type: Trace
• Number of Gases Monitored: Multi

• Sensor Technology: Electrochemical
• 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)

Developed based on AMETEK Land ’s decades of experience in carbon monoxide monitoring solutions, the Model 9100 provides the direct, continuous, cross-stack CO measurement and fast-response coverage essential to efficient combustion control in boilers. [See More]

• Measurement Type: %LEL or %LFL; Trace
• Number of Gases Monitored: Multi

• Sensor Technology: Infrared
• Gas Types: Toxic; CO (0 - 150 up to 0-2500 mg/m3 (0 – 120 up to 0 – 2000 ppm)); NO (0 - 200 up to 1500 mg/m3(0 – 150 up to 0 – 1100 ppm)); NO₂ (0-200 ppm); O₂ (0 - 12% up to 0 - 25%)

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]

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

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

The Chillgard ® 5000 Refrigerant Leak Monitor provides the earliest level of detection of costly refrigerant gas leaks in mechanical equipment rooms. Sampling system with patented photoacoustic infrared (PAIR) technology detects leaks as low as 1 part per million (ppm). Intuitive, touchscreen... [See More]

• Measurement Type: Trace
• Number of Gases Monitored: Single; Multi

• Sensor Technology: Infrared; Photoacoustic Infrared
• Gas Types: Toxic; NH₃ (optional feature) (0-1000ppm); Refrigerants (0-1000 ppm)

4-20 mA Loop Powered Two Wire Oxygen Transmitter. The Edgetech Instruments Model OxyTrans is an easy to use, accurate and economical way to measure Oxygen at trace and % levels. A simple display and one point calibration allows for a quick start of the instrument. Measuring Range. The unit will... [See More]

• Measurement Type: Trace
• Number of Gases Monitored: Single

• Sensor Technology: Electrochemical; Micro-Fuel Cell
• Gas Types: Combustible; O₂ (0-10000 ppm or 0-25%)

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]

• Measurement Type: %LEL or %LFL; Trace
• Number of Gases Monitored: Multi

• Sensor Technology: Catalytic (optional feature); Electrochemical (optional feature)
• 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%)

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]

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

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

4-20 mA Loop Powered Two Wire Oxygen Transmitter. The Edgetech Instruments Model OxyTrans is an easy to use, accurate and economical way to measure Oxygen at trace and % levels. A simple display and one point calibration allows for a quick start of the instrument. Measuring Range. The unit will... [See More]

• Measurement Type: Trace
• Number of Gases Monitored: Single

• Sensor Technology: Electrochemical; Special Fuel Cell
• Gas Types: Combustible; O₂ (0-10000 ppm or 0-25%)

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]

• Measurement Type: %LEL or %LFL; %Volume; Trace
• Number of Gases Monitored: Single; Multi

• Sensor Technology: Catalytic; Electrochemical; Infrared; Semiconductor
• 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)

4-20 mA Loop Powered Two Wire Oxygen Transmitter. The Edgetech Instruments Model OxyTrans is an easy to use, accurate and economical way to measure Oxygen at trace and % levels. A simple display and one point calibration allows for a quick start of the instrument. Measuring Range. The unit will... [See More]

• Measurement Type: %Volume; Trace
• Number of Gases Monitored: Single

• Sensor Technology: Electrochemical; Special Fuel Cell
• Gas Types: Combustible; O₂ (0-10000 ppm or 0-25%)

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]

• Measurement Type: %LEL or %LFL; %Volume; Trace
• Number of Gases Monitored: Single; Multi

• Sensor Technology: Catalytic; Electrochemical; Infrared
• 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)

The Edgetech Instruments Model OxyTrans-PSS is a portable oxygen transmitter that is fast responding, accurate and is capable of measuring oxygen at trace or percent levels. The OxyTrans-PSS has the capability of measuring oxygen between 0 - 10,000 ppm or 0-25 % and offers ease of operation with a... [See More]

• Measurement Type: %Volume; Trace
• Number of Gases Monitored: Single

• Sensor Technology: Electrochemical; Micro-Fuel Cell
• Gas Types: O₂ (0-10000 ppm or 0-25%)

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]

• Measurement Type: %LEL or %LFL; Trace
• Number of Gases Monitored: Single; Multi

• Sensor Technology: Catalytic; Electrochemical; Infrared; Semiconductor
• Gas Types: Toxic; Combustible; NH₃; H₂S; O₂

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]

• Measurement Type: %LEL or %LFL; %Volume; Trace
• Number of Gases Monitored: Multi

• Sensor Technology: Catalytic; Electrochemical
• 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)

CRH series infrared carbon dioxide transmitter is used in online monitoring and to display the carbon dioxide concentration in the air, and to transmit the signal to the control center. It has high precision, long service life, good stability, and high cost performance. [See More]

• Measurement Type: %Volume; Trace
• Number of Gases Monitored: Single

• Sensor Technology: Infrared
• Gas Types: CO₂ (0-5000ppm up to 0-20% vol)

Carbon dioxide (CO2) is a colorless and odorless gas that exists in the earth's atmosphere and which is dangerous in high concentrations. The proportion of CO2 in natural ambient air is about 0.04 % or 400 ppm. When humans and animals exhale this gas, it is quickly mixed with the ambient air,... [See More]

• Measurement Type: Trace
• Gas Types: Toxic (optional feature); CO₂ (0-40000 ppm); CO (optional feature) (0-100 ppm)

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

CONSPEC's CN Series is an economical choice for toxic, combustible, and Oxygen gas monitoring. The CN Series is a simple and "smart" gas detector. An industry standard 4-20mA Analog output signal can be connected to any existing PLC, DCS, or EMS system. A simplified calibration procedure allows for... [See More]

• Measurement Type: Trace
• Number of Gases Monitored: Single

• Sensor Technology: Catalytic; Electrochemical; Infrared; PID; Thermal Conductivity
• Gas Types: Toxic; NH₃

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]

• Measurement Type: Trace
• Number of Gases Monitored: Multi

• Sensor Technology: Electrochemical
• 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)

Features. RS-485 MODBUS Serial Output. 4-20mA Analog Output. 12-28 VDC Operation. Automated Non-Intrusive Calibration. Fully Adjustable Alarm Relay. Lower wiring costs. Description. Ultra 1000 series is a microprocessor based addressable sensor for toxic gas detection. The self- contained sensor... [See More]

• Measurement Type: %LEL or %LFL; Trace
• Number of Gases Monitored: Single

• Sensor Technology: Electrochemical
• Gas Types: Toxic; NH₃ (optional feature) (0-50ppm); CO (optional feature) (0-100ppm / 0-1000ppm); Cl₂ (optional feature) (0-10ppm); ClO₂ (optional feature) (0-50ppm); Hydrocarbons (optional feature) (0-100ppm (Ethylene)); H₂ (optional feature) (0-100ppm / 0-1000ppm); HCl (optional feature) (0-20ppm); HCN (optional feature) (0-30ppm); H₂S (optional feature) (0-100ppm); NO (optional feature) (0-100ppm); NO₂ (optional feature) (0-20ppm); O₂ (optional feature) (0-25% Deficiency); SO₂ (optional feature) (0-50ppm) (EthyleneOxide50ppm MethylMercapton100ppm)

The U9500 Infiniti transmitters are used with gas sensors and provide an on-board LCD display, non-intrusive calibration, and exceptional diagnostics. Models are globally-approved and explosion-proof. They are completely compatible with the full range of Det-Tronics catalytic combustible, infrared,... [See More]

• Measurement Type: %LEL or %LFL; %Volume; Trace
• Number of Gases Monitored: Multi

• Sensor Technology: Catalytic; Electrochemical; Infrared
• Gas Types: Toxic; Combustible; NH₃ (0-100ppm); CO (0-100 ppm0-500 ppm0-1000 ppm); Cl₂ (0-10ppm); Hydrocarbons (0-100% LFL); H₂S (0-20 ppm; 0-50 ppm; 0-100 ppm); O₂ (0-25%); SO₂ (0-20 ppm; 0-100 ppm)

The Model CO Tracer is simple, accurate and very economic measurement of CO in the ppm levels. The sensor comes fully calibrated and requires no calibration for two years. The CO Tracer uses a special electro chemical cell to measure the CO concentration. The sensor meets the industrial requirements... [See More]

• Measurement Type: Trace
• Number of Gases Monitored: Single

• Sensor Technology: Electrochemical
• Gas Types: Toxic; Combustible; CO (0-50ppm)

The SenzTx is a compact and robust O2 transmitter that utilises zirconia or electrochemical technology to give a reliable measurement of oxygen concentration. The zirconia sensor offers fast response time and a long service life with virtually no drift, whilst the electrochemical sensor allows... [See More]

• Measurement Type: %Volume; Trace
• Features: Self Calibration

• Sensor Technology: Electrochemical; Zirconia (ZR), Electrochemical (EC)
• Operating Humidity: 0 to ?

EE800 measures accurately CO2, temperature (T) and relative humidity (RH) in HVAC applications. Additionally, it calculates the dewpoint temperature (Td). The E+E dual wavelength NDIR CO2 sensor compensates for aging effects, is highly insensitive to pollution and offers outstanding long term... [See More]

• Measurement Type: Trace
• Number of Gases Monitored: Single

• Sensor Technology: Infrared
• Gas Types: CO₂ (0-2000 / 0-5000 ppm)

Labor-saving is how major users describe the SensAlert. ® Universal Transmitter. Introduced three years ago,. it uses advanced components and rigorous ergonomic design, to significantly improve reliability and reduce. maintenance. The Sensidyne family of Universal 4-20 mA transmitters includes... [See More]

• Measurement Type: %LEL or %LFL; %Volume; Trace
• Gas Types: Toxic; Combustible

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

Electrochemistry CO sensor with a long life, a good long-term stability and an exceptionally high accuracy. Works perfectly with non-aggressive gases in, for example, a HVAC system. Perfectly suitable to be used in car parks to monitor the CO level and provide output to the parking guidance system... [See More]

• Measurement Type: Trace
• Number of Gases Monitored: Single

• Sensor Technology: Electrochemical
• Gas Types: Toxic; CO (300ppm to 500ppm)

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]

• Measurement Type: %LEL or %LFL; Trace
• Number of Gases Monitored: Single; Multi

• Sensor Technology: Catalytic; Electrochemical; Infrared; Semiconductor
• Gas Types: Toxic; Combustible; NH₃; H₂S; O₂

The Honeywell Analytics HA71 16 Channel Digital Gas Controller provides simultaneous display and alarm functions for up to 16 input variables. The HA71 can expand with up to ten additional HA71 units to provide up to 160 points of gas detection. A graphic LCD displays monitored data as trends, bar... [See More]

• Measurement Type: %LEL or %LFL; %Volume; Trace; Leakage
• Electrical Outputs: Current

• Number of Gases Monitored: Multi
• Display: Digital

The CF1 series is the latest development in reasonably-priced CO2 measurement transducers with integrated humidity and temperature measurement. The unit has the proven Hygromer ® IN1 sensor, and an unrivalled price-performance ratio. Its elegant design fits in perfectly in offices, living-rooms,... [See More]

• Measurement Type: Trace
• Number of Gases Monitored: Multi

• Sensor Technology: Infrared
• Gas Types: CO₂ (0-5000 ppm); Water Vapor (0-5000 ppm)

CONSPEC's CX Series is an economical choice for toxic, combustible, and Oxygen gas monitoring. The CX Series is a simple and "smart" gas detector designed for use in hazardous or classified locations. An industry standard 4-20mA Analog output signal can be connected to any existing PLC, DCS, or EMS... [See More]

• Measurement Type: Trace
• Number of Gases Monitored: Single

• Sensor Technology: Catalytic; Electrochemical; Infrared; PID; Thermal Conductivity
• Gas Types: Toxic; NH₃

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]

• Measurement Type: Trace
• Number of Gases Monitored: Multi

• Sensor Technology: Electrochemical
• 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)

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]

• Measurement Type: Trace
• Number of Gases Monitored: Single

• Sensor Technology: Electrochemical
• Gas Types: H₂S (0-100ppm)

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]

• Measurement Type: %Volume; Trace
• Number of Gases Monitored: Multi

• Sensor Technology: Electrochemical
• 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)

The Model CO2Tracer is simple, accurate and very economic measurement of CO2 levels. One User specific measuring range. The unit is offered in three different ranges: 0 -500ppm, 0-5%, 0-25%. Sensor. The CO2Tracer uses a special infrared cell to measure the CO2 concentration. The sensor meets the... [See More]

• Measurement Type: %Volume; Trace
• Number of Gases Monitored: Single

• Sensor Technology: Infrared
• Gas Types: CO₂ (0-500ppm 0-25%)

Labor-saving is how major users describe the SensAlert. ® Universal Transmitter. Introduced three years ago,. it uses advanced components and rigorous ergonomic design, to significantly improve reliability and reduce. maintenance. The Sensidyne family of Universal 4-20 mA transmitters includes... [See More]

• Measurement Type: %LEL or %LFL; %Volume; Trace
• Gas Types: Toxic; Combustible

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

Non-dispersive infrared (NDIR) sensor and MEMS sensor for good long-life and long-term stability and with an exceptionally high accuracy. Compact 3-in-1 wall mount sensor for CO2, temperature and humidity. Perfectly suitable to be used in building environmental monitoring. Comes with LCD display and... [See More]

• Measurement Type: Trace
• Number of Gases Monitored: Single

• Sensor Technology: Infrared; Semiconductor
• Gas Types: CO₂ (0ppm to 5000ppm)

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]

• Measurement Type: %LEL or %LFL; Trace
• Number of Gases Monitored: Single; Multi

• Sensor Technology: Catalytic; Electrochemical; Infrared; Semiconductor
• Gas Types: Toxic; Combustible; NH₃; H₂S; O₂

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]

• Measurement Type: %LEL or %LFL; %Volume; Trace
• Number of Gases Monitored: Multi

• Sensor Technology: Catalytic; Electrochemical; Infrared; PID; Thermal Conductivity
• 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

For Demand Controlled Ventilation. The duct-mounted Vaisala CARBOCAP ® Carbon Dioxide Transmitter Series GMD20 are specially designed for demand-controlled ventilation (DCV). They are easy to install and require no maintenance. The GMD20 transmitters use the silicon-based Vaisala CARBOCAP... [See More]

• Measurement Type: Trace
• Number of Gases Monitored: Single

• Sensor Technology: Infrared; Vaisala CARBOCAP®
• Gas Types: CO₂ (0 ... 2000 ppm; 0 ... 5000 ppm, 0 ... 10 000 ppm, 0 ... 20 000 ppm)

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]

• Measurement Type: Trace
• Number of Gases Monitored: Single

• Sensor Technology: Electrochemical
• Gas Types: H₂S (0-100ppm)

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]

• Measurement Type: Trace
• Number of Gases Monitored: Single

• Sensor Technology: Electrochemical
• Gas Types: H₂ (0 - 100 or 0 - 10000 ppm H2)

Labor-saving is how major users describe the SensAlert. ® Universal Transmitter. Introduced three years ago,. it uses advanced components and rigorous ergonomic design, to significantly improve reliability and reduce. maintenance. The Sensidyne family of Universal 4-20 mA transmitters includes... [See More]

• Measurement Type: %LEL or %LFL; %Volume; Trace
• Gas Types: Toxic; Combustible

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

A high CO2 concentration indoors will make people feel tired easily. So by controlling the CO2 value relevantly, people will feel more energetic. Now, for the most part, CO2 transmitters are used inside buildings, and some are applied in the agricultural area to grow plants in a healthier and... [See More]

• Measurement Type: Trace
• Number of Gases Monitored: Single

• Sensor Technology: Infrared
• Gas Types: CO₂ (0ppm to 5000ppm)

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]

• Measurement Type: %LEL or %LFL; %Volume; Trace
• Number of Gases Monitored: Single

• Sensor Technology: Catalytic; Electrochemical; Infrared; PID; Thermal Conductivity
• 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

For Monitoring Indoor Air Quality. Measuring CO2 is the most economical way to monitor both indoor air quality (IAQ) and human presence with one sensor. Inadequate ventilation results in elevated CO2 levels, causing drowsiness and decreased productivity. Good indoor air quality can be achieved based... [See More]

• Measurement Type: Trace
• Number of Gases Monitored: Single

• Sensor Technology: Infrared; Vaisala CARBOCAPâ GM10
• Gas Types: CO₂ (1 5000 ppm, also 0 ... 2000 ppm)

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]

• Measurement Type: Trace
• Number of Gases Monitored: Single

• Sensor Technology: Electrochemical
• Gas Types: H₂S (0-100ppm)

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]

• Measurement Type: Trace
• Number of Gases Monitored: Single

• Sensor Technology: Electrochemical
• Gas Types: Combustible; H₂ (100-100000ppm)

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]

• Measurement Type: %LEL or %LFL; %Volume; Trace
• Number of Gases Monitored: Multi

• Sensor Technology: Catalytic; Electrochemical; Infrared
• 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)

Using high grade sensor NDIR and CMOS to measure temperature, humidity and CO2 for long term stability and high accuracy. Compact housing with Modbus communication perfectly suitable to be used in many HVAC and building system. Wall mounting. 0-10 V or 4-20 mA output. 0 to 50 °C temperature,... [See More]

• Measurement Type: Trace
• Number of Gases Monitored: Single

• Sensor Technology: Infrared; Semiconductor
• Gas Types: CO₂ (0ppm to 5000ppm)

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]

• Measurement Type: %LEL or %LFL; %Volume; Trace
• Number of Gases Monitored: Multi

• Sensor Technology: Catalytic; Electrochemical; Infrared; PID; Thermal Conductivity
• 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

For Green Building Projects. The wall-mounted Vaisala GMW90 Series CARBOCAP ® Carbon Dioxide, Temperature and Humidity Transmitters are especially suited for green building projects and demand controlled ventilation. The devices measure carbon dioxide and temperature and have an option for an... [See More]

• Measurement Type: Trace
• Number of Gases Monitored: Single

• Sensor Technology: Infrared; Vaisala CARBOCAPâ GM10
• Gas Types: CO₂ (0 5000 ppm)

Features. Microprocessor based modular design. Electrochemical Sensor Technology. Industry standard 4-20mA output. Field adjustable Alarm level. Single point Non-Intrusive calibration. Bright 3 digit LED display. Displays gas concentration in ppm, calibration prompts and sensor fault codes. Suitable... [See More]

• Measurement Type: %LEL or %LFL; Trace
• Number of Gases Monitored: Single

• Sensor Technology: Electrochemical
• Gas Types: Toxic; NH₃ (optional feature) (0-50ppm); CO (optional feature) (0-100ppm / 0-1000ppm); Cl₂ (optional feature) (0-10ppm); ClO₂ (optional feature) (0-50ppm); Hydrocarbons (optional feature) (0-100ppm (Ethylene)); H₂ (optional feature) (0-100ppm / 0-1000ppm); HCl (optional feature) (0-20ppm); HCN (optional feature) (0-30ppm); H₂S (optional feature) (0-100ppm); NO (optional feature) (0-100ppm); NO₂ (optional feature) (0-20ppm); O₂ (optional feature) (0-25% Deficiency); SO₂ (optional feature) (0-50ppm) (EthyleneOxide50ppm MethylMercapton100ppm)

4 – 20 mA Loop Powered two wire Oxygen Transmitter. Two Wire Process Oxygen analyzer. The Model OxyTrans LC is simple, accurate and economic measurement of Oxygen at trace (ppm) levels and % levels. Four User Specific Measuring Range Offered. The OxyTrans LC is offered in 4 different measuring... [See More]

• Measurement Type: %Volume; Trace
• Number of Gases Monitored: Single

• Sensor Technology: Electrochemical
• Gas Types: Combustible; O₂ (0-10000 ppm 0-25%)