Vacuubrand DVR2 piezoresistive vacuum gauge covers ranges 1 to 1080mbar (hPa) or 1 to 810 torr. Accuracy: ±1mbar (±0.75 torr) ±1 digit. With an analogue and digital display readout, with trend indication and selectable readout in either mbar, hPa or torr. With integrated pressure transducer for long term stability and corrosion resistance, NW16 vacuum connection and screw in, stepped nozzle for 6 to 10mm bore vacuum tubing. Overall 115 x 115 x 66mm L x W x H. Weight 0.4kg. Powered by 1 x 9V lithium battery, supplied.