A compressed air dryer is usually already completed with water content indicator. A silica gel is generally used for this purpose. It uses the concept of colour changing for indicating good compressed air quality.
However, a verification is still required. Water content measurement from a compressed air flow should be done regularly to inspect compressed air quality.
Dew point meter can be used as the tool for water content measurement from a compressed air flow. Pyle Mini Humidity Meter PTHM 15 is a dew point meter that can measure dew point from -4 to 176 degree F. [Read more…] about Dew Point Meter For Compressed Air