This micron gauge uses Pirani high precision vacuum sensor to accurately measure vacuum levels. Digital display provides a comprehensive view of vacuum conditions. It features a rechargeable battery and compact design. When reaching the preset vacuum level, it will buzz as a reminder. When the vacuum level increases from the decay target, it will buzz rapidly and flash backlight to warn of leaks.

Navac Premium Micron Vacuum Gauge, 0 to 3300 Pa, 0 to 33.3 mbar, 0 to 25 mmHg, 0 to 25000 um Measuring, 15 to 1000 um +/-5% of Reading (at 68 deg F) Accuracy, 0.01 um (<10 ums), 0.01 Pa (<10 Pa), 0.001 mbar, 0.001 mmHg Resolution, 500 psi, Additional Information: 90 dB Sound Rating, Shut Down after 10 s Buzzer Alarm, 6.2 oz Weight, Pirani Sensor Type