Digital display gauge or differential pressure. Bright backlight. Select psi, inH2O, bar, mmHg, ozin2, kgcm2, kPa, ftH2O, inHg, cmH2O & mbar. Data hold & record. Min/max button. Simple fittings for hose connection. Includes: Connection Hose, Hard Case, Battery. Optional Model RS232KIT: PC Interface Kit. Specifications: 0-15 psi (to 415 inH2O); Res. (bar) 0.01