PRECISE MEASUREMENT WHEN IT COUNTSIt uses the Pirani high-precision vacuum sensor to precisely measure vacuum levels. Digital display affords a comprehensive view of vacuum conditions. When reaching the preset vacuum level, it will buzz as a reminder. When the vacuum level decreases from the preset vacuum level, it will buzz rapidly and flash the backlit to warn of leaks.Leading Technology, Superior Quality, Best Experience. SPECIFICATIONS Model NMV1Maximum overload pressure 14 psiRange 0~10000 Pa, 0~100 mBar, 0~75 mmHg, 0~75000 micronsResolution 0.01 (10Pa), 0.0001 (10mBar), 0.0001 (10mmHg), 1 (30000microns)Accuracy 15-750 micron: ±5% of reading(at 68℉)Operating temperature 32~122℉（0~50℃）Unit Pa, mBar, mmHg, MicronsSensor Pirani sensorBuzzer alarm 90 db, shut down after 10 secondsWeight 4.5 oz
