Ace Glass 14303-01 Bullseye Handheld Precision Vacuum Gauge 11 Different Units (4) AA Akaline Batteries

A rugged, portable vacuum measurement instrument designed specifically for the demands of field use. Precise reading with 11 measurable units and field calibratable. Display range is 1-800,000 microns, +/-17% accuracy from 1-2000 microns and +/-30% accuracy from 2001-800,000 microns. Selectable graphic mode allows for chart graphs or numerical display. Data can be logged and output in a spreadsheet format. Vac interface: 1/8 inch NPT or 1/4 inch flare. Features a 7 foot cord, rubber boot, kickstand and magnet for hands free operation.