1、APPLICABLE SCENARIO: With plus or minus 1 kpa measuring range, high accuracy differential pressure gauge is suitable for the chemical industry, metallurgy, electric power, nuclear power and other industrial sectors in the industrial process measurement of gas medium pressure parameters 2、MULTIFUNCTIONAL AND WIDE APPLICATIONS: Digital manometer can measure temperature and pressure, and also support maximum and minimum modes, which can be applied to more situations. Specially used for gas measurement and calibration, gas pressure system troubleshooting, laboratory testing, maintenance and installation of blowers, clean rooms, boilers and other gas appliances 3、CLEAR LCD BACKLIGHT DISPLAY: The handheld HVAC manometer is made of ABS material, and the excellent performance of high temperature resistance and impact resistance make the air pressure meter have a long service life. Support LCD backlight, convenient lighting operation, display data clearer and easier to read 4、HIGH RESOLUTION AND HIGH ACCURACY: The dual port manometer gas pressure tester adopt professionally designed, has a wide range, high resolution and high measurement accuracy, and can carry out high standard testing. Has excellent pressure sensors, high accuracy ADC and low power MCU, the measurement results are accurate 5、STORAGE AND REMINDER FUNCTION: The digital pressure gauge with backlight has storage function, can store data in time, support data retention and DIF mode, and can record data easily. In addition, also has low battery reminder function, which can promptly warn when the battery is low, allowing you to grasp the charging time Item Type: Digital Manometer Material: ABS Battery: 1 x Polymer Battery, Battery Capacity: 1000mAh Measurement Range: ±1KPa Standby Current: 3.5μA Operating Current: 90mA(buzzer off when lithium battery is at 4.2V) Temperature Compensation Range: -5~50℃ Overload Pressure: X3FS Accuracy(total Error): ±1%FS(for differential pressure gauge with a measurement range greater than or equal to ±1Kpa); ±2%FS(for differential pressure gauge with a measurement range smaller than ±1Kpa) Operating Temperature Range: -10~60℃ 1 x Differential Manometer 2 x Air Tubes 1 x USB Cable 1 x User Manual 1 x Storage Box