4. Case study: psychrometer
Design a device for automatic measurement of air humidity and temperature with good accuracy over a temperature range from – 10 °C to 120 °C, using temperature sensors arranged as shown in figure 8.
The first sensor indicates the air temperature called dry temperature Ts as opposed to the wet temperature Th indicated by the second sensor covered with cotton moistened with distilled water. Both sensors are placed in the air duct whose humidity is to be measured .
Water rises by capillary...
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Case study: psychrometer
Evolution of customized instrumentation
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