The Fluke 729 300G, -12.000 to 300.000 psi -0.8273 to 20.6843 bar -82.73 to 2068.43 kPa No wireless communication. The Fluke 729 Automatic Pressure Calibrator has been designed specifically with process technicians in mind to simplify the pres-sure calibration process and provide faster, more accurate test results. Technicians know that calibrating pressure can be a time-consuming task, but the 729 makes it easier than ever with an internal electric pump that provides automatic pressure generation and regulation in an in an easy-to-use, rugged, portable package.