Gas Detectors

Featured MSA ULTIMA X5000 Gas Detector with green status LEDs shining

ULTIMA® X5000 Gas Monitor

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 18 months (local calibration respected). The gas transmitter's advanced, multi-lingual OLED display is easy to read and the unique touch-screen interface makes it simple to navigate.
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Featured PrimaX® I Gas Transmitter

PrimaX® I Gas Transmitter

Indoors or outdoors, our PrimaX I Gas Transmitter provides dependable, accurate gas detection. The transmitter detects toxic gases and oxygen and is housed in an antistatic, reinforced nylon enclosure. It also has a large, easy-to-read LCD screen and attaches to an integral mounting plate for easy installation, while the built-in keypad makes for quick, simple calibration. To transmit data, the unit uses a 4-20 mA output signal and can also be configured to use HART digital communication. With easily replaced plug-in sensors, the PrimaX I transmitter is suitable for laboratories, chemical plants, power plants and several other industry settings.
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Featured Chillgard® 5000 Refrigerant Leak Monitor

Chillgard® 5000 Refrigerant Leak Monitor

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 user interface makes it easy to operate. Predictive maintenance and diagnostics keep you operational.
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Featured MSA General Monitors S5000 Gas Monitor with X-Cell gas sensor

General Monitors S5000 Gas Monitor

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 calibration cycles up to 18 months. Dual sensing capability doubles the sensing power.
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Featured MSA Senscient ELDS Open Path Gas Detector

Senscient ELDS™ Open Path Gas Detector

The Senscient ELDS laser-based open path gas detector is available for a wide range of toxic and flammable gases. The Senscient ELDS uses 'SimuGas' self-testing to eliminate employees entering hazardous areas for gas checks. Nuisance false alarms are virtually eliminated with its breakthrough Harmonic Fingerprint processing.
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Featured S4000CH Combustible Gas Detector

S4000CH Combustible Gas Detector

The S4000CH Intelligent Sensor is a microprocessor-based transmitter designed for use with General Monitors industry-leading catalytic bead sensors. It features one person calibration and virtually self-calibrates by simply activating a magnetic switch and applying gas. It monitors combustible gases and vapors within the lower explosive limit (LEL) and provides status indication and alarm outputs. Complies with ANSI/ISA 12.13.01-2000 performance requirements for combustible gas detectors.
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Featured MSA Ultima Series XE Gas Detector

Ultima® X Series Gas Monitors

Designed to provide thorough, continuous monitoring of many hazardous gases, the indoor/outdoor Ultima X Series Gas Monitors offer excellent performance and MSA quality craftsmanship. DuraSource™ Technology offers extended sensor life, while HART provides convenient setup, calibration and diagnostics. HART also allows for existing component install and wiring to be used. A single circuit board increases reliability, while our patented sensor disconnect-underpower feature allows all sensors to be replaced in hazardous areas without area declassification. The units are crafted from either stainless steel or polycarbonate, and the interchangeable smart sensors eliminate the need for reconfiguration. Our scrolling LCD screen display sensor reading and gas type, while the calibration process includes date stamping and the ability to calibrate locally or remotely.
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Featured Ultima® XIR Gas Monitor

Ultima® XIR Gas Monitor

The microprocessor-based, infrared Ultima XIR gas detector is precisely engineered to continuously monitor for combustible gases and vapors. The unit features DuraSource Technology, which offers improved IR life, and a HART port for easy output access. The explosion-proof stainless steel monitor works indoors or outdoors and features infrared technology that eliminates the need for frequent calibrations. Its operations are based on dual-wavelength, heated-optics technology, which compensates for temperature, humidity and aging effects. The unit uses only one circuit board for increased reliability, and the sensor life isn't reduced by exposure to gas. The LCD screen provides scrolling information, while optional quick-check LEDs provide increased visibility.
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Featured MSA IR400 Point Infared Gas Detector

IR400 Point IR Gas Detector

The IR400 Infrared (IR) Point Detector is a hydrocarbon gas detector that continuously monitors combustible gases and vapors within the lower explosive limit (LEL) and provides alarm indication. It features an industry-leading response time of ≤ 3 seconds, even with a splash guard installed. All electronics are contained within an explosion-proof housing so that the IR400's detector information can be processed locally. Configurations with analog output, Modbus and HART are also available.
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Featured MSA S4000TH Hydrogen Sulphide Gas Detector Unit - front view

S4000TH H2S Gas Detector

The S4000TH Intelligent Gas Sensor is a microprocessor-based transmitter designed for use with General Monitors' thin film metal oxide semiconductor (TFMOS) sensors to detect H2S gas. The unit features one person calibration and can virtually self-calibrate by simply activating a magnetic switch and applying gas. It detects hydrogen sulfide in 0-20 ppm, 0-50 ppm or 0-100 parts per million (ppm) levels over a wide temperature range. 
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Featured PrimaX® P Gas Transmitter

PrimaX® P Gas Transmitter

Designed to detect gases indoors or outdoors, our PrimaX P Gas Transmitter measures oxygen and toxic and combustible gases. The flameproof transmitter is housed in a powder-coated aluminum enclosure that will protect it in extremely dangerous conditions. The unit also features a large, easy-to-read LCD screen and three LED status indicators for up-to-the-second reporting. The transmitter attaches to an integral mounting plate for easy installation, and it can be easily calibrated using the built-in keypad. It uses a 4-20 mA output signal to transmit its data, and it can also be configured to use HART digital communication. With easily replaced plug-in sensors, the PrimaX P transmitter is suitable for laboratories, chemical plants, power plants and several other industry settings.
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Featured PrimaX® IR Gas Transmitter

PrimaX® IR Gas Transmitter

Every feature of the PrimaX IR Gas Transmitter is designed with reliability in mind to withstand the most challenging environmental conditions through out the product’s life. MSA’s PrimaX IR Gas Transmitter offers LEL (Lower Explosive Limit) combustible gas detection through a patented PrimaX Gas Transmitter IR dual source design. A redundant IR source provides reliability and uninterrupted monitoring should a source failure occur. Furthermore, the possibility of obscurations due to rain, fog, dirt, dust, and other environmental conditions is minimized due to dual source design.
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Featured Chillgard® RT Refrigerant Monitor

Chillgard® RT Refrigerant Monitor

Capable of detecting refrigerant gas down to 1ppm, the Chillgard RT Refrigerant Monitor is purpose-built to monitor up to eight remote areas—and is completely configurable to detect either a specific refrigerant or group of refrigerant gases.
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Chillgard® VRF Refrigerant Leak Detector

MSA Chillgard VRF Refrigerant Leak Detector is the first industry detector for Variable Refrigerant Flow Systems (VRF) with integrated BACnet capability. Therefore, it can be directly connected with any Building Management Systems (BMS). MSA applies its proven Photoacoustic infrared sensing technology that provides a stable zero baseline, minimizes cross-sensitivities and offers low cost of ownership through minimum maintenance required.
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SB100 Ultrasonic Bump Tester

The SB100 is a hand-held battery-operated rechargeable ultrasonic tester designed to bump test General Monitors ultrasonic gas leak detectors. The SB100 is useful for quick tests where physical access to the ultrasonic gas detector can be difficult. The unit can be used to bump test up to 18 meters away from the detector in Class 1, Div 1&2 hazardous areas.
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Z-Gard® DS MPO Dual Gas Sensor

The Z-Gard DS MPO Gas Sensor connects directly to a building automation system for dual gas monitoring solutions. It detects the presence of carbon monoxide and nitrogen dioxide. The Z-Gard DS MPO Sensor communicates with one of several industry standard protocols, providing seamless integration with commercial automation systems.
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Z-Gard® S MPO Single Gas Sensor

The Z-Gard S MPO Gas Sensor connects directly to a building automation system for single gas monitoring solutions. It detects the presence of either carbon monoxide, nitrogen dioxide or combustible gases in air. The Z-Gard MPO Sensor communicates with one of several industry standard protocols, providing seamless integration with commercial automation systems.
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IR5500 Open Path Infrared Gas Detector

The IR5500 is an open path infrared (IR) gas detector that continuously monitors for flammable gas leaks over large open areas. It monitors in both the LEL-m and ppm-m ranges to detect both small and large leaks. The IR5500 offers the benefits of early detection with its high sensitivity to gas concentrations at the ppm levels.  This feature allows it to alarm faster than an LEL-only detector. Digital display and adjustable mounting arms ensure easy alignment. Factory calibrated for low-maintenance operation.
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Ultima OPIR-5 Open Path Infrared Detector

Get continuous monitoring of methane, propane, and other combustible gases with this open path infrared detector. Provides 4-20 mA analog signals, as well as digital display and relay contacts. Digital display and adjustable mounting arms ensure easy alignment. Factory calibrated for low-maintenance operation.
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TS4000H Toxic Gas Detector

The TS4000H Intelligent Toxic Gas Detector continuously monitors a variety of toxic gases in the ppm range or oxygen deficiency, delivering highly accurate detection and protection. The unit features one person calibration and virtually self-calibrates by simply activating a magnetic switch and applying gas. It provides status indication and alarm outputs. Configurations with relays, Modbus, and HART are available to meet many needs.
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