Deltabar S FOUNDATION Fieldbus Commissioning
Endress+Hauser 39
6.6 Differential pressure measurement
6.6.1 Preparatory steps
!
Note!
• The Deltabar S PMD70, PMD75 and FMD78 are usually used for differential pressure
measurement.
• FMD78: the device is ready for calibration immediately.
• PMD70 and PMD75: before calibrating the device, the impulse piping must be cleaned and
filled with fluid. See the following table.