Extech CO40 Portable Handheld Carbon Monoxide Meter.
Simultaneously measures Carbon Monoxide (CO) concentration and Air Temperature with user-settable CO audible alarm (30ppm default). The CO40 is designed with a vented ball for fast response time sensing CO gas.
Common CO Problem Areas:
- HVAC service on furnaces and hot water heaters
- Home inspections
- Blocked chimneys
- Out-of-adjustment burners
- Gas-powered generators
- Ambient air safety checks on residential appliances
- Industrial environments where the accumulation of CO is possible
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