1、Multifunctional: This digital manometer measures temperature and pressure and also supports maximum and minimum modes, and is also used for gas measurement and calibration, troubleshooting gas pressure systems, laboratory testing, maintenance and installation of blowers, cleanrooms, boilers and other gas appliances. 2、LCD Backlight Display: This manometer gas pressure tester supports LCD backlighting, which illuminates for easy operation and displays data more clearly and easier to read. 3、High Accuracy: This HVAC gas pressure tester is professionally designed with wide range, high resolution and high measurement accuracy for high standard testing. It has a excellent pressure sensor, high accuracy ADC and low power consumption MCU for accurate measurement results. 4、Storage Function: This air and gas pressure tester has a storage function to store data in time, supports data saving and DIF mode, which can record data easily. 5、Battery Level Alert: This handheld HVAC manometer has a low battery alert function that warns you when the battery is low, allowing you to keep track of when it's time to recharge. Item Type: Digital Manometer Material: ABS Battery: 1 x Polymer Battery, Battery Capacity: 1000mAh (Included) Measurement Range: ±10KPa Standby Current: 3.5μA Operating Current: 90mA (Turn off the buzzer when the lithium battery is 4.2V) Temperature Compensation Range: -5-50℃ Overload Pressure: X3FS Accuracy (Total Error): ±1%FS (Differential Pressure Gauges with a range greater than or equal to ±1Kpa); ±2%FS (Differential Pressure Gauges with a range less than ±1Kpa) Operating Temperature Range: -10-60℃ 1 x Digital Manometer 2 x Air Tubes 1 x USB Cable 1 x Manual 1 x Carrying Case