9 K249 Issue No. 4EnglishPRESSURE INT barVOLTAGEF2F1VPV-+CURRENT PRESSUREUNITSExt Press. Source(Indicator Only)PressureRegulator Max 30VCAT II-+ +--BARRIERSAFESAFEEXTSUPPLYTASK: BASICDPI 615 ISTypical Calibration Setup (Pressure to Voltage)Connect a device under test to the instrument as shown below.ï General ProcedureUse the hand-pump to pressurise the system to the required level asindicated on the display. Allow the display to settle and screw the volumeadjuster in or out as a fine adjustment to the required pressure. Record themeasurand (e.g.) Voltage, reading at each applied pressure.Zero Display ReadingBoth the input and output windows can be set to zero by operation of the ZEROkey, providing that the displayed reading is already within 5% of zero. To zeroeither the INPUT (Measurand) or OUTPUT (Source) windows, proceed as follows(e.g.),Getting Started