Features High Accuracy Measurements - Achieve precise readings with a high-accuracy barometer, featuring a backlit LCD display for easy visibility in any lighting condition Comprehensive Data Tracking - Monitor maximum, minimum, and average values effortlessly, with a convenient data retention function for quick reference Essential Tool for Technicians - Designed specifically for HVAC professionals, this digital differential gauge simplifies troubleshooting and maintenance tasks Versatile Measurement Units - Supports a wide range of units including KPa, mmHg, Psi, and more, catering to various industry standards and requirements Ideal for Diverse Applications - Perfect for on-site inspections of ventilation systems, air conditioning setups, clean rooms, and any gas pressure troubleshooting needs Features: 1、KPa, mmHg, InHg, Psi, Mbar, Bar, Ozin2, Kgcm2, InH？O, FtH？O, CmH？O are available in multiple units, which can meet the needs of different industries in different countries. 2、It is suitable for measurement and on？site inspection of ventilation and air conditioning systems, clean room, or troubleshooting of any gas prure system. 3、Large screen with backlight, easy to measure in dark environment, easy and clear reading value, easy to carry. 4、It is an indispensable measuring tool for HVAC technicians, and maintenance engineers and scientific researchers. 5、Can measure the maximum, minimum, average, and deviation values, with data retention, it is a good helper for measuring prure. Specification: Item Type: Digital Manometer Material: ABS Color: As shown in the picture Model: SW-512C Measuring Range: ±103.42KPa Accuracy: ±1% FS Maximum error 1.04KPa Maximum Prure Limit: 206.7KPa Repeatability: ±0.25%FS Response Time: 0.5S Prure Connection: 1/8in (3.18mm) quick connector Working Temperature and Humidity: 0℃-40℃ 10%-80%RH Storage Temperature and Humidity: -10℃-60℃, 10%-90%RH Over-Range Prompt: Err1 or Err2 Power Supply: 3 x 1.5V AAA (not included) Reference Measuring range and resolution Model0.1 How to Use 1: Install the battery (3x1.5V AAA dry battery is not included in this product). 2: Pr the power button. 3: Connect the hose to the adapter and port, and connect the adapter to the place where the air prure needs to be tested. 4: According to the unit needs of different regions, pr the UNIT unit conversion, DLF difference, recording mode, etc., pr the button according to the demand. Package List: 1 x Digital Manometer(Battery Not Included) 4 x Plastic Hose 2 x Quick Connector 1 x Bag 1 x Instruction Manual Note: between Package List 1 x Digital Manometer(Battery Not Included) 4 x Plastic Hose 2 x Quick Connector 1 x Bag 1 x Instruction Manual