Fluke 721 Dual Sensor Precision Pressure Calibrator (2.48/69 bar Gauge)The ideal tool for gas custody transfer applications is the Fluke 721 Precision Pressure Calibrator. With dual isolated pressure sensors, it allows you to take simultaneous static and differential pressure measurements with a single tool.Ideal for gas flow calibration (custody transfer) applicationsTwo isolated, stainless steel, pressure sensors with 0.025 % accuracyPt100 RTD input for temperature measurement, (probe optional)Measures 4 to 20 mA signalsInternal 24 V loop power supply can power a transmitter under testMeasure up to 30 V dc, check 24 V loop power suppliesExtend pressure measurement range with connection to external 700 series pressure modules (29 ranges)Large backlit graphic display can display up to three inputs simultaneouslyStore five instrument setups for recall and useIncludes: Dual Sensor Pressure CalibratorSoft caseFour (4) AA batteriesManualTraceable calibration certificateTest leads