Feature: 1. Applicable Range: This digital manometer has a measurement range of 4KPa, mainly used to measure the pressure difference parameters of various gas media, suitable for chemical, metallurgical, power, nuclear power, etc. 2. Multiple Function: Used for temperature and pressure measuring, support maximum and minimum modes, dedicated to gas measurement and calibration, troubleshooting gas pressure system, laboratory testing, blower, boiler, etc. 3. Good Performance: This dual port differential pressure gauge adopts excellent pressure sensor, high accuracy ADC, and low power MCU, with wide range, high resolution, high measurement accuracy, and stable performance. 4. Storage and Reminder: The digital pressure gauge with backlight has storage function, supports data saving and DIF mode, and has a low battery reminder function to issue a warning in a timely manner when the battery is low. 5. Durable Materials: This handheld pressure gauge is made of excellent ABS material, impact resistance, high temperature resistance, and has a long service life, the backlight LCD display provides clear data and lighting. Specification: Item Type: Digital Manometer Material: ABS Battery: 1 x 1000mAh Polymer Battery (built in) Measurement Range: 4KPa Standby Current: 3.5A Working Current: 90mA (When lithium battery is 4.2V, the buzzer is off) Temperature Compensation Range: -5-50 Overload Pressure: X3FS Accuracy (Total Error): 1%FS (Range 1Kpa); 2%FS (Range 1Kpa) Working Temperature Range: -10-60. Package List: 1 x Pressure Manometer 2 x Hoses 1 x USB Cable 1 x User Manual 1 x Storage Box