1、12 Units: The differential pressure gauge has 12 selec 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 shuown 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 Sength ABS Shell: The shell of the meter is made of excellent ABS material, which has high sength 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.Item Type:DigitalManometerMaterial: ABSPressure Range: ±2.000 PsiMeasurement Units: Pa, Psi, kgfcm2, bar, inH2O, ftH2O, inHg, mmHg, ozin2, mbar, cmH2O, kPaAccuracy: ±0.3% FSO25℃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 Shuown Conditions: 10 Minutes Without OperationOperating Environment: 0℃ to 50℃Storage Conditions: -10℃ to 60°CModel: 3 x 1.5V AAA battery not included 1 xDigitalManometer2 x Hose1 x Connector Accessory1 x Holster1 x Manual