Testo 317-3 Ambient CO Stick

Test Equipment NZ Verified independent store

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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 dan gerous 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 Show more