Feature:1. [Professional Accuracy] Equipped with a professional vacuum sensor, this digital vacuum gauge offers accurate measurement of vacuum levels and rapid response times.2. [1/16 Inch 20UNF Interface] The vacuum tester adopts 1/16 inch 20UNF interface, comes with extension connector for easy connection.3. [Large Screen Display] The vacuum meter features a large screen for real time and intuitive display, with the capability to switch between four different vacuum units for versatility.4. [More Features] Supports over range protecting and zero setting functions for enhanced usability and accuracy in vacuum measurements.5. [IP54 Rating] With an IP54 rating, this digital vacuum gauge is water and dust proof, making it suitable for a wide range of on site testing applications.Specification:Item Type: Digital Vacuum GaugeMaterial: ABSMaximum Overload Pressure: 72Psi 0.5MpaMeasurement Range: 99999Pa~0.1Pa, 740000~0.75MicronResolution: 0.1Pa (<10Pa); 1Pa (<100Pa); 10Pa (<1000Pa)Measurement Accuracy: 0.1Pa-10Pa, 5% reading (at 20)Operating Temperature: -5-50 (-23-122)Battery: 3 x AA batteries (not included)Battery Life: Up to 40 hoursUnits: Pa, mBar, mmHg, mTorr, InHg, MicronsRefresh Rate: 0.5 secondsInterface: 1/16in 20UNF (1/4in SAE)Sensor: 1 x Pirani SensorAuto Shut Off Time: 10 minutesBacklit Time: 20 secondsBuzzer: 90dB volume, shuts off after 10 secondsApplication: Atmospheric environment (cannot be used for measurement in other environments containing refrigerants, etc.).Package List:1 x Digital Vacuum Gauge1 x Connector1 x Storage Bag