List of Questions and answers on Pressure Measuring Devices used in pressure measurement.
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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.
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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)
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