Gas and Vapor Detection | Thermo Fisher Scientific

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Ambient Gas Monitors (27)
Source Gas Monitors (24)
Multigas Portable Detectors (6)
Single Gas Portable Detectors (2)
Gas Monitor Calibration Equipment (1)
Gas Monitor Probes and Sensors (1)

Hydrogen Sulfide (6)
Most Organic and Inorganic Compounds (1)

0.01 ppm (1)
0.050 ppm (10 sec. averaging time) (2)
0.050 ppm (60 sec. averaging time) (1)
0.40 ppb (60 sec. averaging time) (1)
0.5 ppm (1)
1 ng/m3 (60 sec. averaging time) (1)
1.5 ppb (60 sec. averaging time) (1)
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0 to 10 L/min. (1)
0 to 10 L/min. (dilution air) (1)
0 to 10 L/min., 0 to 20 L/min. (1)
0 to 20 L/min. (1)
0.5 L/min. (6)
0.5 L/min. (1 atm inlet pressure) (1)
0.5 L/min. (standard), 1 L/min. (optional) (1)
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10 Digital Inputs (Standard), 16 Digital Inputs (1)
16 Digital (Standard), 8 Analog 0 to 10 VAC (Optional) (2)
16 Digital Inputs (Standard), 8 0 to 10 VAC (1)
16 Digital Inputs (Standard), 8 0 to 10 VDC Analog (2)
16 Digital Inputs (Standard), 8 0 to 10 VDC Analog Inputs (Optional) (13)
16 Digital Inputs (TTL), 4 Isolated Voltage Inputs 0 to 10 V (2)
16 Digital Inputs (TTL), 8 Solenoid Driver Outputs, 10 Digital Reed Relay Contact Outputs, 4 Isolated Voltage Inputs 0 to 10 V, 6 Isolated Analog Voltages Outputs, with 4 Selectable Ranges, 6 Isolated Analog Current Outputs, with 2 Selectable Ranges (1)
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±0.25% full scale (1)
±0.5% full scale (1)
±1% full scale (20)
±1% full scale <100 ppm (2)
±1% full scale <1000 ppm; ±2.5% full scale >1000 ppm (1)
±1% full scale or 0.04 ppm, whichever is greater (1)
±1.5% of span (at concentrations of 10 to 100% of span) (2)
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<20 sec. (lag time) (60 sec. or less average time), <100 sec. (rise time), <100 sec. (fall time) (1)
120 sec. (10 sec. averaging time) (1)
15 sec. (1 sec. average time) (2)
15 sec. (10 sec. averaging time)(NO/NOx mode), 85 sec. (60 sec. averaging time), 305 sec. (300 sec. averaging time), (NO mode) 15 sec. (10 sec. averaging time), 65 sec. (60 sec. averaging time), 305 sec. (300 sec. averaging time) (1)
2.5 sec. NO Mode; 5.0 (Rise Fall Times 0-90%) (1)
2.5 sec. NO, 5.0 sec. Nox (in manual mode) (1)
20 sec. (0 to 95%) (1)
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<1% full scale (1 month) (3)
<2% of range or 0.20 ppm (24 hr.) (2)
<2% span value (without auto calibration) (1)
±0.5% (24 hr.) (1)
±0.5% full scale (1)
±0.5% full scale (24 hr.) (3)
±1% full scale (12)
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<25 ppt RMS (1)
0.005 ppm RMS (60 sec. averaging time) (1)
0.01 ppm RMS (30 sec. averaging time) (1)
0.01 ppm RMS, Dynamic filtering ON (default) (1)
0.02 ppm RMS (30 sec. averaging time) (1)
0.025 ppb RMS (1)
0.025 ppm RMS (1)
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Direct Methane & Non-Methane Hydrocarbon Analyzer Model 55i

Make automated measurements of methane and non-methane hydrocarbons with the Thermo Scientific™ Direct Methane & Non-Methane Hydrocarbon Analyzer, Model 55i. Unlike instruments that measure only methane and total hydrocarbons, this back-flush gas chromatography (GC) system provides a direct...

TVA2020 Toxic Vapor Analyzer

Quickly detect fugitive emissions of organic and inorganic compounds for Method 21 compliance, LDAR applications and site remediation with this lightweight, intrinsically safe portable gas leak detector.

Model 42i (NO-NO₂-NO_x) Analyzer

Measure levels of nitrogen oxide (NO-NO2-NOx) in the emissions from a source using chemiluminescent technology with the Thermo Scientific™ Model 42i NO-NO2-NOx Analyzer. Discover the iQ to work smarter with our next generation 42iQ NO-NO2-NOx Analyzer.

Model 48i CO Analyzer

Measure the amount of carbon monoxide (CO) in ambient air with the Thermo Scientific™ Model 48i CO Analyzer. The gas filter correlation technique as utilized by the Model 48i gas filter correlation analyzer offers over 30 years of field-proven performance in providing accurate and reliable readings.

146iQ Multi-Gas Calibrator

Get 24/7 access to your analyzer's information with the Thermo Scientific™ iQ Series Gas Analyzer. The iQ Series Gas Analyzers are engineered to get smarter over time and help minimize troubleshooting time with a highly precise, yet tough solution.

MIRAN SapphIRe Portable Ambient Analyzers, XL Model

This product has been discontinued however we continue to provide services and support for this product.

Model 46i Nitrous Oxide Analyzer

Measure ambient nitrous oxide (N2O) concentrations using gas filter correlation technology with Thermo Scientific™ Model 46i Nitrous Oxide Analyzer. N2O has been identified as a primary greenhouse gas with a greater potential for global warming effects than Carbon Dioxide (CO2).

MIRAN SapphIRe Portable Ambient Analyzers, DL Model

This product has been discontinued however we continue to provide services and support for this product.

Model 48i-HL CO Analyzer

This product has been discontinued. We will offer technical support and service support as allowed by parts availability.

48iQ Carbon Monoxide Analyzer

Get 24/7 access to your analyzer's information with a Thermo Scientific™ iQ Series Gas Analyzer. The iQ Series Gas Analyzers are engineered to get smarter over time and help minimize troubleshooting time with a highly precise, yet tough solution.

Model 15i Hydrogen Chloride Analyzer

This product has been discontinued. We will offer technical support and service support as allowed by parts availability.

Model 49i-PS Ozone Primary Standard

Produce ozone concentrations of up to 1000 ppb with the Thermo Scientific™ Model 49i-PS Ozone Primary Standard, a UV photometric primary standard suitable for calibration of ozone analyzers and transfer standards.

Model 43i-HL High Level SO₂ Analyzer

Measure high levels of SO2 from a source up to 10,000 ppm with the Thermo Scientific™ Model 43i-HL SO2 Analyzer, the first gas analyzer to utilize pulsed fluorescence technology to measure SO2. Discover the iQ to work smarter with our next generation 43iQ High Level Sulfur Dioxide Analyzer.

MIRAN SapphIRe Portable Ambient Analyzers, SL Model

This product has been discontinued however we continue to provide services and support for this product.

Mercury Freedom System

Measure elemental, ionic and total mercury in exhaust stacks from coal-fired boilers and waste incinerators with the Thermo Scientific™ Mercury Freedom System. Meet or exceed performance specifications outlined in U.S.

Natural Gas Detector

Protect workers and the environment from combustibles and toxic gases with equipment that gives you the power to take the appropriate action to minimize hazards. We provide lightweight, intrinsically safe monitoring instrumentation that detects natural gases in diverse applications including US EPA...

Sulfur Analyzers

Online sulfur analyzers replace expensive and time-consuming laboratory sampling. Get fast responses and wide measurement ranges of trace sulfur and total sulfur in flare gas, liquid and vapor for reliable emissions monitoring.