Workers around the world who face potentially dangerous situations deserve the best gas detector instruments available. Wearable and personal hand-held 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.

Levitt-Safety offers personal single-gas monitors that are effective in a range of situations 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.

Our best-selling single-gas monitors


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

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, great RFI performance and excellent impact resistance
  • Automatically logs the 35 most recent gas events for easy, accurate 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
  • Offers extended longevity with a 2-year field-replaceable battery and sensor

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product image of GfG micro IV

GfG® Micro IV

  • Besides its simple operation and reliable warning the MICRO IV excels because of its large memory, an IR interface and the revolutionary docking station
  • Bright optical alarm and loud horn (95 dB)
  • 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 6 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 and manufacture docking stations that make the process user-friendly and offer documentation of the testing.

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

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