• Maximum overload pressure 14 psi
• Range 0~10000 Pa, 0~100 mBar, 0~75 mmHg, 0~75000 microns
• Resolution 0.01 (10Pa), 0.0001 (10mBar), 0.0001 (10mmHg), 1 (30000microns)
• Accuracy 15-750 micron: ±5% of reading(at 68° F)
• Operating temperature 32~122° F（0~50° C）
• Unit Pa, mBar, mmHg, Microns
• Sensor Pirani sensor
• Buzzer alarm 90 db, shut down after 10 seconds
• Weight 4.5 oz
• Warranty 1 year

It 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.