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SEALED UNIT PARTS CO, SUPCO DIGITAL HAND-HELDVACUUM GAUGE VG64
Digital display can showvacuum in microns, PSI, milliBars, inches of Hg, Pascals, Torr and mTorr.
Measures vacuum from 12,000 to 0 microns.
Auto shutoff after 10 minutes if vacuum is above 12,000 microns.
Uses standard 9V battery ......... Package contains Gauge only