1. KPa, mmHg, InHg, Psi, Mbar, Bar, Ozin2;, Kgcm2;, InHO, FtHO, CmHO are available in multiple units, which can meet the needs of different industries in different countries. 2. It is suitable for measurement and onsite inspection of ventilation and air conditioning systems, clean room, or troubleshooting of any gas pressure system. 3. Large screen with backlight, easy to measure in dark environment, easy operation and clear reading value, easy to carry. 4. It is an indispensable measuring tool for HVAC technicians, operation 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 pressure. Item Type: Digital Manometer Measuring Range: 103.42KPa Accuracy: 1% Maximum error 1.04KPa Maximum Pressure Limit: 206.7KPa Repeatability: 0.25% Response Time: 0.5S Pressure Connection: 1/8inch (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 Unit Range Resolution KPa 103.42 0.01 mmHg 775.7 0.1 InHg 30,540 0.001 Psi 15,000 0.001 Mbar 1034.2 0.1 Bar 1.034 0.001 Ozin2; 240.00 0.01 Kgcm2; 1.055 0.001 InHO 415.20 0.01 FtHO 34,600 0.001 CmHO 1054.6 0.1 How to Use 1: Install the battery (3x1.5V AAA dry battery is not included in this product). 2: the power button. 3: Connect the hose to the adapter and port, and connect the adapter to the place where the air pressure needs to be tested. 4: According to the unit needs of different regions, the UNIT unit conversion, DLF difference, recording mode, etc., the button according to the demand. Color: As Shown Material: plastic Package Contents: 1 x Digital Manometer(3xAAA Battery Not Included,You need to prepare yourself) 4 x Plastic Hose 2 x Quick Connector 1 x Bag Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.