Features:_x000D_ 1. The digital pressure gauge is mainly composed of a stainless steel casing, a pressure sensor, and a signal processing circuit._x000D_ 2. High quality pressure sensor core with high precision, corrosion resistance, impact resistance, vibration resistance, small temperature drift and good stability._x000D_ 3. Use a low-power processor, 2 AA batteries or a high-capacity high-performance lithium battery without external power._x000D_ 4. Digital pressure gauge according to the pressure characteristics can be divided into: gauge pressure, differential pressure and absolute pressure three. Digital pressure gauge according to the pressure range can be divided into: micro pressure, low pressure, high pressure. Digital pressure gauge according to the temperature can be divided into: room temperature, medium temperature, high temperature._x000D_ 5. It is mainly used for precision measurement of petroleum, chemical, aerospace and various industrial gas liquids._x000D_ _x000D_ Specification:_x000D_ Condition: 100% Brand New_x000D_ Item Type: Digital Pressure Gauge_x000D_ Measuring Range: -0.1~0Mpa, 0~0.6Mpa, 0-1Mpa, 0~1.6Mpa, 0-2.5Mpa, 0~4Mpa (optional)_x000D_ Accuracy Level: 0.2, 0.5_x000D_ Display Mode: 5-digit Dynamic Display_x000D_ Overload pressure: 1.5 Times_x000D_ Battery: 3V (2 * NO.5 Lithium Battery) (Not Included)_x000D_ Medium Temperature: -45C ~ +120C_x000D_ Working Environment Temperature: -20C ~ +60C_x000D_ Working Environment Humidity: 80%RH_x000D_ Protection Level: IP65_x000D_ Interface: 304 Stainless Steel M20 * 1.5 (External Thread)_x000D_ _x000D_ Package List:_x000D_ 1 * Digital Pressure Gauge_x000D_ 1 * User Manual_x000D_ _x000D_ Note: _x000D_ The factory has been strictly calibrated, no need to change the button again to prevent confusion! _x000D_ _x000D_ Instrument panel and button introduction:_x000D_ 1. Work page_x000D_ Work page display: 1 battery status; 2 pressure; 3 strip percentage_x000D_ 2. Switching machine_x000D_ Press and hold the ON/OFF button for more than 3 seconds to turn on, long press ON/OFF button for more than seconds to turn off_x000D_ 3. Range query and online unit switching settings_x000D_ Press and hold the ZERO button for more than 3 seconds to clear the scene._x000D_ 4. Battery replacement: Unscrew the cover and replace the battery directly, which has no effect on accuracy and other data.