HOBO Carbon Monoxide Data Logger

Part # H11-001
This product is discontinued.


The HOBO Carbon Monoxide Data Logger monitors carbon monoxide (CO) levels in areas such as garages, terminals, loading docks, construction sites, furnace rooms, office buildings and living areas. Convenient battery operation eliminates the need to run wires for AC power, making it easy to deploy the HOBO CO data logger at various potential hot spots.

Highlighted Features

  • Monitors and records indoor CO levels
  • Battery operated, no wiring required (wall or ceiling mount)
  • Three range settings for optimized accuracy and resolution
  • Readout and launch with optional shuttle

In what environment does this data logger operate?

This data logger operates in an indoor environment.

The country of origin for this product is the United States. To see the full specifications for this product, please see our product manual found under the documentation tab if available.


Logger ranges:
Channel Nominal range Actual range  
1 0 - 125 ppm 0.2 - 124.3 ppm  
2 0 - 500 ppm 1 - 497.1 ppm  
3 0 - 2000 ppm 4 - 1988 ppm  
Resolution/Accuracy ranges:
Channel Resolution Maximum Error (20°C) Typical Accuracy (20°C)
1 0.5 ppm ±10.5 ppm ±12% of reading ±4.5 ppm ±7% of reading
2 2 ppm ±12 ppm ±12% of reading ±6 ppm ±7% of reading
3 8 ppm ±18 ppm ±12% of reading ±12 ppm ±7% of reading

Number of measurements: 32,520 maximum

Response time for 90% change: <11 minutes typical (dependent upon installation location and orientation)

Time accuracy: ±1 minute per week (100 ppm at +68°F or +20°C)

Operating temperature range: +32°F to +104°F (0°C to +40°C)

Storage temperature: -40°F to +158°F (-40°C to +70°C)

Operating humidity range: 10% to 95% RH, non-condensing

Operating pressure range: 1 Atmosphere ±10%

Cross Gas Interferences: Conforms to UL2034

Size: 5.7" H x 2.6" W x 1.6" D (144 mm x 66 mm x 40 mm)

Weight: 0.29 lbs (0.13 kilograms)

Battery: CR-2032 lithium, user replaceable

Battery life: In normal applications the battery should last one year. In circumstances where the ambient CO concentration averages 10 ppm or more, the battery life will be shorter:
Average concentration Battery life
10 ppm 10 months
100 ppm 6 months
1000 ppm 2 months

Expected life of sensor: five years
(Yearly verification is recommended for critical applications.)


Documentation for the H11-001