Workers around the world who face potentially dangerous situations deserve the best gas detector instruments available. Wearable and personal handheld single-gas monitors help you significantly improve worker safety. Gas monitors clearly alert users to potential risks and allow them to take appropriate action immediately.

Our bestselling single-gas monitors

Levitt-Safety offers personal single-gas monitors that are effective in a range of industries including construction, oil and gas, utilities, fire department and mining. See the table below for the available models we carry based on the hazard and industry.


honeywell bw solo with CO2 product image

Honeywell BW™ Solo

  • Easiest single-gas detector to service, no disassembly required
  • The first single-gas detector with the 1-series sensor for CO, H2S, O2 and CO2
  • High accuracy, low cost and faster sensor response for the gases you monitor most often
  • Ability to assign detectors to workers and locations
  • Easy-to-read display for multiple languages
  • Data logging with rolling 24-hour peak reading

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product image for tango tx1 single-gas detector

Tango® TX1 Single-Gas Detector

  • Lightweight and wearable personal gas monitor
  • DualSense Technology increases worker safety by using two sensors to detect the same gas
  • Spend less time replacing equipment thanks to the industry’s only Guaranteed for Life™ single-gas monitor
  • Optional AlarmAmp™ increases audible alarms to 110dB

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product image for altair pro single-gas detector

ALTAIR® Pro Single-Gas Detector

  • Measures concentrations of toxic gas or percent oxygen depending on the instrument version
  • Replaceable sensor and battery
  • Offers superior dust and water protection
  • Automatically logs the 35 most recent gas events for record keeping

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product image for BW Clip by Honeywell

Honeywell BW™ Clip Real-Time Gas Detector

  • Real-time gas level display with the ability to calibrate the device
  • Maintenance-free, no sensor or battery changes necessary
  • Two-year field-replaceable battery and sensor

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product image of GfG micro IV

GfG® Micro IV

  • Bright optical alarm and loud 95 dB horn
  • Recording event data, TWA and STEL values in data logger
  • Infrared interface for data transfer to the docking station
  • Quick calibration and function test by docking station
  • Up to six months continuous operation at 24 hours a day use with one AA-battery

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Maintenance, calibration and bump testing

Since these instruments are being used as a life-saving device, they need to be bump tested by exposing them to a known gas to ensure proper function. Most manufacturers have automated this process with docking stations that make the process user-friendly and provides testing documentation.

Our team of service technicians can also provide calibration and maintenance for your gas detector.

Our available single-gas detector models:

IndustryMain HazardManufacturerModelSensors Available by Model
ConstructionCOISCTango TX1CO, H2S, NO2, CO/H2Low, SO2
Gasbadge ProH2S, CO, O2, Cl2, ClO2, ETO, H2, HCN, NH3, NO2, PH3, SO2, H2, H2Low
MSAALTAIR® 2XCO, CO-HC, CO-H2, H2S-LC, SO2, NO2, NH3 and Cl2CO/H2S, CO-H2/H2S, CO/H2S-LC, CO/NO2 and SO2/H2S-LC
ALTAIR® ProO2, ClO2, HCN and PH3
ALTAIR® CO, H2S, O2
Honeywell/BWBW SoloH2S, CO, CO2, O2, Cl2, ClO2, CO-H, ETO, H2, HCN, NH3, NO, NO2, PH3, SO2, O3
BW ClipCO, H2S, SO2, O2
GfGMicro IVO2, H2S, CO, NH3, SO2, CL2, CLO2, PH3, NO2, HCN, HCI, ETO, HF, O3, NO, H2, COCL2, SIH4
General IndustryCO & H2SISCTango TX1CO, H2S, NO2, CO/H2Low, SO2
Gasbadge ProH2S, CO, O2, Cl2, ClO2, ETO, H2, HCN, NH3, NO2, PH3, SO2, H2, H2Low
MSAALTAIR® 2XCO, CO-HC, CO-H2, H2S-LC, SO2, NO2, NH3 and Cl2CO/H2S, CO-H2/H2S, CO/H2S-LC, CO/NO2 and SO2/H2S-LC
ALTAIR® ProO2, ClO2, HCN and PH3
ALTAIR® CO, H2S, O2
Honeywell/BWBW SoloH2S, CO, CO2, O2, Cl2, ClO2, CO-H, ETO, H2, HCN, NH3, NO, NO2, PH3, SO2, O3
BW ClipCO, H2S, SO2, O2
GfGMicro IVO2, H2S, CO, NH3, SO2, CL2, CLO2, PH3, NO2, HCN, HCI, ETO, HF, O3, NO, H2, COCL2, SIH4
Oil & GasH2SISCTango TX1CO, H2S, NO2, CO/H2Low, SO2
Gasbadge ProH2S, CO, O2, Cl2, ClO2, ETO, H2, HCN, NH3, NO2, PH3, SO2, H2, H2Low
MSAALTAIR® 2XCO, CO-HC, CO-H2, H2S-LC, SO2, NO2, NH3 and Cl2CO/H2S, CO-H2/H2S, CO/H2S-LC, CO/NO2 and SO2/H2S-LC
ALTAIR® ProO2, ClO2, HCN and PH3
ALTAIR® CO, H2S, O2
Honeywell/BWBW SoloH2S, CO, CO2, O2, Cl2, ClO2, CO-H, ETO, H2, HCN, NH3, NO, NO2, PH3, SO2, O3
BW ClipCO, H2S, SO2, O2
GfGMicro IVO2, H2S, CO, NH3, SO2, CL2, CLO2, PH3, NO2, HCN, HCI, ETO, HF, O3, NO, H2, COCL2, SIH4
UtilitiesCOISCTango TX1CO, H2S, NO2, CO/H2Low, SO2
Gasbadge ProH2S, CO, O2, Cl2, ClO2, ETO, H2, HCN, NH3, NO2, PH3, SO2, H2, H2Low
MSAALTAIR® 2XCO, CO-HC, CO-H2, H2S-LC, SO2, NO2, NH3 and Cl2CO/H2S, CO-H2/H2S, CO/H2S-LC, CO/NO2 and SO2/H2S-LC
ALTAIR® ProO2, ClO2, HCN and PH3
ALTAIR® CO, H2S, O2
Honeywell/BWBW SoloH2S, CO, CO2, O2, Cl2, ClO2, CO-H, ETO, H2, HCN, NH3, NO, NO2, PH3, SO2, O3
BW ClipCO, H2S, SO2, O2
GfGMicro IVO2, H2S, CO, NH3, SO2, CL2, CLO2, PH3, NO2, HCN, HCI, ETO, HF, O3, NO, H2, COCL2, SIH4
Fire DepartmentCO & HCNISCTango TX1CO, H2S, NO2, CO/H2Low, SO2
Gasbadge ProH2S, CO, O2, Cl2, ClO2, ETO, H2, HCN, NH3, NO2, PH3, SO2, H2, H2Low
ALTAIR® ProO2, ClO2, HCN and PH3
ALTAIR® CO / H2S / O2
Honeywell/BWBW SoloH2S, CO, CO2, O2, Cl2, ClO2, CO-H, ETO, H2, HCN, NH3, NO, NO2, PH3, SO2, O3
BW ClipCO, H2S, SO2, O2
GfGMicro IVO2, H2S, CO, NH3, SO2, CL2, CLO2, PH3, NO2, HCN, HCI, ETO, HF, O3, NO, H2, COCL2, SIH4
MiningSO2ISCTango TX1CO, H2S, NO2, CO/H2Low, SO2
Gasbadge ProH2S, CO, O2, Cl2, ClO2, ETO, H2, HCN, NH3, NO2, PH3, SO2, H2, H2Low
MSAALTAIR® CO, H2S, O2
Honeywell/BWBW SoloH2S, CO, CO2, O2, Cl2, ClO2, CO-H, ETO, H2, HCN, NH3, NO, NO2, PH3, SO2, O3
BW ClipCO, H2S, SO2, O2
GfGMicro IVO2, H2S, CO, NH3, SO2, CL2, CLO2, PH3, NO2, HCN, HCI, ETO, HF, O3, NO, H2, COCL2, SIH4

Levitt-Safety can help:

Our team is here to help with your single-gas detector needs including product advice, quotes or training.

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