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Testo 317-3 Ambient CO Stick
$0.00
The Testo 317-3 CO meter detects the presence of carbon monoxide (CO) in ambient air from gas furnaces, water heaters, and other appliances or equipment and signals the user of dangerous gas concentrations with both visual and audible alarms.
Features:
- Visual and audible alarm
- No zeroing required, just turn it on to measure
- Adjustable alarm threshold
- Self-test mode verifies CO sensor function anytime, anywhere without the need for test gas