List of Questions and answers on Pressure Measuring Devices used in pressure measurement.
Sketch a bar chart and state the relationship between absolute pressure and
gauge pressure. Clearly indicate a vacuum scale on this bar chart.
Sketch a typical DP transmitter device and explain the principle of operation.
Sketch and describe a DP transmitter low pressure installation used to
measure the gauge pressure in a closed tank.
If a transmitter is calibrated to measure a pressure of 0-80 KpaG in order to
develop a 4-20 mA current signal; what pressure will correspond to a signal of
13.5 mA? (answer: 47.5 kPaG)
Share your answers