The device is a professional digital manometer with a high-precision, wide-range, high-resolution, large-screen display and indoor temperature measurement. Features: 11 Selectable Units for Measurement: including inH2O, psi, mbar, kPa, inHg, mmHg, oz or in2, ftH2O, cmH2O, Kgcm2, and Bar, convenient for use. Clear Digital Display: large LCD display with backlight ON or OFF, providing clear reading. Data Hold: more convenient for checking the data and writing it down. User-friendly Indicator: low battery indicator, pressure unit indicator, and Error codes for out of range indication. Reliable Quality: designed with imported pressure sensors, high precision ADC and low-power MCU. MAX or MIN Function: press the MAX or MIN button to view the maximum, minimum, and average values recording. Wide Applications: can be used in detecting pressure in natural gas pipelines, refrigeration and ventilation systems of air-conditioning, mechanical hydraulics, plastic molding, ceramic product manufacturing, biopharmaceutical molding, mining area, petrochemical smelting, etc. Specifications: Model: FU-P1 or FU-P2 or FU-P5 (Optional) FU-P1: InH2O Range: 4.014 Resolution: 0.001 Mbar Range: 10.00 Resolution: 0.001 KPa Range: 1.000 Resolution: 0.001 Pa Range: 1000 Resolution: 0.1 FtH2O Range: 0.334 Resolution: 0.001 MmH2O Range: 101.9 Resolution: 0.01 MmHg Range: 7.500 Resolution: 0.001 InHg Range: 0.295 Resolution: 0.001 FU-P2: InH2O Range: 55.40 Resolution: 0.01 Psi Range: 2.000 Resolution: 0.001 Mbar Range: 137.8 Resolution: 0.1 Kpa Range: 13.79 Resolution: 0.01 InHg Range: 4.072 Resolution: 0.001 MmHg Range: 103.4 Resolution: 0.1 Oz or in2 Range: 32.00 Resolution: 0.01 FtH2O Range: 4.612 Resolution: 0.001 CmH2O Range: 140.6 Resolution: 0.1 Kgcm2 Range: 0.140 Resolution: 0.001 Bar Range: 0.137 Resolution: 0.001 FU-P5: InH2O Range: 138.3 Resolution: 0.1 Psi Range: 5.000 Resolution: 0.001 Mbar Range: 334.7 Resolution: 0.1 Kpa Range: 34.47 Resolution: 0.01 InHg Range: 10.18 Resolution: 0.01 MmHg Range: 258.5 Resolution: 0.1 Oz or in2 Range: 80.00 Resolution: 0.01 FtH2O Range: 11.53 Resolution: 0.01 CmH2O Range: 351.5 Resolution: 0.1 Kgcm2 Range: 0.351 Resolution: 0.001 Bar Range: 0.344 Resolution: 0.001 Material: ABS Accuracy: FU-P1(1.5FSO) FU-P2, FU-P5 (0.3FSO 25) Repeatability: 0.25 percent FSO Response Time: 0.5 second typical Over Range Indicator: EER1 or EER2 Auto Power-off: 15 minutes Operating Conditions: 0-50(32-122) Storage Conditions: -10-60(14-140) Power Supply: 1 x 9V 6F22 battery (NOT included) Item Size: 160 x 55 x 34mm or 6.30 x 2.17 x 1.34in Item Weight: 147g or 5.18oz Package Weight: 261g or 9.21oz Package Size: 18 x 10 x 4cm or 7.09 x 3.94 x 1.57in Packing List: 1 x Manometer 2 x Flexible Tube 1 x Manual (English) Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.