Features 1、Accurate and Versatile: The digital manometer features a ±2.999Psi/20.68Kpa differential pressure sensor with an accuracy of ± 0.3% FS, making it suitable for measuring gas and air pressure in various applications. 2、12 Selectable Units: With 12 selectable units, including mmHg, inHg, ftH₂O, and more, this manometer caters to users from different industries and countries, providing flexibility and convenience. 3、Data Recording: The manometer can store up to 100 groups of test data, could review and analyze the readings after testing, also has a "return to zero" function for accurate measurements and a low battery reminder. 4、High Accuracy: Equipped with a sensitive pressure sensor, offers precise and reliable pressure measurements. with high precision ADC and low power MCU technology for improved accuracy. 5、User Friendly: The manometer has an automatic shutdown function to conserve battery power, along with overload indication to protect the device,also allows users to reset all factory settings when needed. Specification Item Type: Digital Manometer Material: ABS, metal Battery: 1x6F22 9V (not included) Measuring Range: ± 2.999Psi Measurement Classic; ± 0.3%FSO(25℃) Datastores: 100 groups Exceeding The Positive Pressure Range Display: Err0 Exceeding The Negative Pressure Range Displays: Err1 Power Supply: 9V Applicable Models: For car, industrial equipment, etc Package List 1 x Digital Manometer 2 x Hose 1 x Adapter 1 x Manual