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Anvil Type: Friction Ring
Self-retracting line
spring and two O-rings
C-4-3330 Choice Vend
effectively cancelling the measurement
Testo 0632 3173 317-3 - Ambient CO Meter Cold Expansion Anvil Type: Friction RingTesto 0632 3173 317 3 Ambient CO Meter The Testo 317 3 ambient CO meter detects the presence of carbon monoxide (CO) in ambient air, and warns the user if potentially harmful CO concentrations are reached. With programmable settings for both visual and audible alarms, as well as hands free operation, ambient CO testing during furnace and boiler service and maintenance, weatherization audits, or home inspections has never been easier. The testo 317 3
