美國製 JB 電子式真空計 DV-22N

Extended range MEMS sensor
Vacuum reading range 100,000 to 10 microns
Easy-to-read backlit display
Improved response time for instantaneous vacuum reading
Allows for direct connection to the A/C unit without a hose
Audible and visual alarms when target vacuum level is achieved
Intuitive user menu with custom setting options
Low battery indicator with automatic shutoff
Measures in Microns, PSIA, inHg, Pascals, Torr, mTorr and mBar
Available with rugged carrying case as DV-24N

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