Feature:1. 12 Units: The differential pressure gauge has 12 selectable measurement units, which are Pa, Psi, kgfcm2, bar, inH2O, ftH2O, inHg, mmHg, ozin2, mbar, cmH2O, kPa.2. Multi Function: The meter has maximum, minimum, average data mode, with data storage function, o return and data compensation, low battery alarm, automatic shutdown function, very practical and useful.3. Large LCD Display: Equipped with a large LCD display with backlit function, can be clearly seen even in dim environment.4. High Strength ABS Shell: The shell of the meter is made of excellent ABS material, which has high strength and good durability.5. Easy Storage and Carrying: Equipped with a storage holster, easy to store and carry, convenient to use when going out to work.Specification:Item Type: Digital ManometerMaterial: ABSPressure Range: 2.000 PsiMeasurement Units: Pa, Psi, kgfcm2, bar, inH2O, ftH2O, inHg, mmHg, ozin2, mbar, cmH2O, kPaAccuracy: 0.3% FSO(25)Repeatability: 0.2% (Wireless Optical Communication Maximum 0.5%)Wireless Optical Communication Linearity or Hysteresis: 0.29%Data Storage: 99 GroupsResponse Time: 0.5 SecondsOut of Range Indicator: Hi or LoAutomatic Shutdown Conditions: 10 Minutes Without OperationOperating Environment: 0 to 50Storage Conditions: -10 to 60CModel: 3 x 1.5V AAA battery (not included).Package List:1 xDigital Manometer2 x Hose1 x Connector Accessory1 x Holster1 x Manual