Product Description Measures air pressure of the single pipe or differential pressure of 2 pipes. Has 11 selectable units of measurement kPa, psi, kgfcm2, ozin2, bar, mbar, inHg, mmHg, inH2O, ftH2O, cmH2O. Best for measuring the ventilation and air condition systems. Widely used for gas measurement, calibration, and any troubleshooting of any gas pressure systems. Has additional features like data hold and auto power off disabled. Careful use of this meter will provide years of reliable service. Application: HVAC/R refrigeration air-conditioning industry used to measure the pressure difference Medical facilities Measure negative pressure setting to ensure indoor air pests will not pollute the air in the outside world Measure the positive pressure Computer peripheral equipment pneumatic control Features: 11 Selectable units of Measurement: kPa, psi, kgfcm2, ozin2, bar, mbar, inHg, mmHg, inH2O, ftH2O, cmH2O Differential pressure measurement Max / minimum / Average reading record function Large LCD backlit dual display Zeroing, offset and data compensation Low battery display and Auto power off set up function Data Hold and Error code Functions Over/ Under range indicator User can re-calibrate the meter at anytime Specifications: Pressure Range: 2psi Accuracy: 0.3% FSO (at 25C) Repeatability: 0.2% (Max0.5%FSO) Linearity/Hysteresis:0.29% FSO Response Time: 0.5 Seconds Over Range Display Indicator: Hi Under Range Display Indicator: Lo Operating Conditions: 0 - 50C(32 - 122F) Storage Conditions: -10 - 60C (14 - 140F) Power Supply: 9V battery Size: 150*55*40mm Weight: 220g(battery not included) Package Contents: 1 * Digital Manometer(without battery) 2 * Plastic Hose 1 * Metal Connector 1 * Carry Pouch Only the above package content, other products are not included. Note: Light shooting 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. About Dropshipping 1) We accept dropshipping, we have a lot of experience in dropshiping and will not put any ads and materials in the order. 2 We accept CSV file (Excel File) to handle order for bulk orders. You just need to pay at one order on Aliexpress. We'll handling your orders accoring to the excel file. you can send us CSV file which contacts all customerrsquos information (Name, Email, Full address etchellip) and order info( color, quantity). I'll offer total price. You just need to place one order on aliexpress, after you pay for it. We'll load your file into our system and handling your orders accoding to your file. After we ship out the order, I'll send back the CSV file with tracking codes. _x000D_