About Gas Detectors
Point Gas Detectors
Point gas detectors offer early warnings for harmful gases, detecting combustibles nearing the Lower Explosive Limit (LEL) and toxic fumes. Essential for regulatory compliance, they measure exposure in ppm or % LEL. These detectors are crucial for safety against fires, explosions, and health risks. Choose traditional wired devices, or the newer wireless models cut installation costs by up to 60%.
Open Path Gas Detectors
Open path gas detectors enable long-range detection of harmful gases, identifying combustibles nearing the Lower Explosive Limit and toxic fumes. Optimal for large areas, they respond rapidly and sense lower concentrations than point detectors, proving vital for mitigating fires, explosions, and health risks in wide spaces.
Ultrasonic Leak Detectors
In pressurized processes, gas leaks emit high-frequency sound (ultrasound). Ultrasonic detectors like the Rosemount Incus capture this sound to instantly detect toxic and combustible gas leaks over a wide area. They sense leaks without gas contact, providing early warnings before hazardous concentrations arise, ensuring swift response to potential risks.
Why Choose Emerson Gas Detectors?
Reduce Maintenance Expenses
Rosemount gas detectors optimize maintenance budgets by reducing time and training needs. The 625IR features extended intervals and gas-free testing. Models 925FGD and 928 offer hot-swap sensors for easy replacement and lab calibration without power loss. On-screen guides on 925FGD, 928, and Net Safety M2 simplify training, enhancing efficiency and reducing costs.
Lower Installation Costs
Rosemount gas detectors are engineered for cost-effective facility outfitting. Reduce installation time and expenses by eliminating wiring with the 928 WirelessHART® gas monitor. Use pre-calibrated sensors on the 925FGD, 928, and 625IR to speed up installation. Further accelerate setup with our comprehensive accessories, start-up kits, and commissioning kits for streamlined deployment.
Reduce Unplanned Downtime
Instrument faults can lead to costly shutdowns and production loss. Rosemount gas detectors offer early warnings to prevent failures, enabling proactive action. Enjoy high reliability with SIL-2 rated models with advanced diagnostics that alert you to potential issues early. Plus, accessories for many model's safeguard against contamination, ensuring optimal performance.
Improve Safety
Your priority is to protect people and facilities. Emerson gas detectors provide rapid alerts to dangers. The Rosemount Incus instantly detects gas leaks, unaffected by wind or dilution. Rosemount 935 and 936 open path detectors cover larger areas and lower concentrations, impervious to dust, fog, rain, or snow. For remote locations, choose the Rosemount 928 wireless for reliable gas detection.
Gas Detection Technologies
Infrared Gas Detectors
Infrared (IR) gas detectors identify gases by measuring IR light absorption at wavelengths specific to each gas. They're ideal for detecting hazardous levels of gases like methane (CH4) and carbon dioxide (CO2). You’ll get long sensor life, immunity to poisoning, reliable performance unaffected by humidity, and quick response times. IR technology is used in both point and open path detectors.
Molecular Property Spectrometer (MPS)
Molecular Property Spectrometer (MPS) sensors detect combustible gases by examining shifts in molecular thermal properties, including Hydrogen. MPS sensors offer low power use, extended lifespan, immunity to poisoning, and eliminate the need for field calibration. They can classify combustible gases and automatically adjust sensor output to indicate 0-100% of the lower-explosive limit (LEL).
Catalytic Bead Combustible Gas Sensors
Catalytic bead sensors detect combustibles by oxidizing gas on a catalyst-coated bead and comparing resistance to an uncoated bead. They detect gases like hydrogen, offering real-time monitoring to enhance safety. Cost-effective and reliable due to proven technology, their simple design eases maintenance. Robust and versatile, they withstand harsh environments, making them an economical choice.
Ultraviolet (UV) Gas Detectors
Ultraviolet (UV) gas detectors identify toxic gases like H2S, SO2, and NH3 by measuring UV light absorption by gas molecules, only in open path setups. Benefits include rapid response time compared to electrochemical sensors, detection across the full beam length rather than a single point, and superior stability without requiring field calibration.
Electrochemical Gas Detectors
Electrochemical (EC) gas detectors measure toxic gases using a chemical reaction at an electrode, generating current proportional to gas concentration. Widely used, EC sensors offer low power consumption, a broad range of detectable gases, compact size, and long sensor lifespan.
Ultrasonic Gas Leak Detectors
Ultrasonic gas leak detectors use acoustic sensors to detect inaudible noise fluctuations from leaks, offering early warnings without measuring gas accumulation. They detect ultrasound frequencies (25-100 KHz) and ignore audible ones (0-25 KHz). Providing an extra layer of protection, ultrasonic detectors should be used alongside other gas detection technologies for comprehensive safety.
Videos
Emerson's gas detection systems utilize cutting-edge technologies, such as non-dispersive infrared (IR) sensors and ultrasonic gas leak detectors, to provide early and accurate detection of gas leaks.






