Feature:1. KPa, mmHg, InHg, Psi, Mbar, Bar, Ozin, Kgcm, 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.Specification:Item Type: Digital ManometerMaterial: ABSColor: As shown in the pictureModel: SW-512CMeasuring Range: 103.42KPaAccuracy: 1% FS Maximum error 1.04KPaMaximum Pressure Limit: 206.7KPaRepeatability: 0.25%FSResponse Time: 0.5SPressure Connection: 1/8in (3.18mm) quick connectorWorking Temperature and Humidity: 0-40 10%-80%RHStorage Temperature and Humidity: -10-60, 10%-90%RHOver-Range Prompt: Err1 or Err2Power Supply: 3 x 1.5V AAA (not included)ReferenceMeasuring range and resolutionModelSW-512CUnitRangeResolutionKPa103.420.01mmHg775.70.1InHg30,5400.001Psi15,0000.001Mbar1034.20.1Bar1.0340.001Ozin240.000.01Kgcm1.0550.001InHO415.200.01FtHO34,6000.001CmHO1054.60.1.How to Use1: Install the battery (3x1.5V AAA dry battery is not included in this product).2: Press 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, press the UNIT unit conversion, DLF difference, recording mode, etc., press the button according to the demand.Package List:1 x Digital Manometer(Battery Not Included)4 x Plastic Hose2 x Quick Connector1 x Bag1 x Instruction ManualNote:Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.