Devilbiss RHI-01 Relative Humidity Indicator.
The RHI-01 can be used to quickly and simply check the humidity of your compressed air.
The RHI-01 Relative Humidity Indicator also gives you positive indication of your compressed air moisture levels, so you know when to change your Desiccant Snake.
The indicating crystals will change back and forth numerous times, meaning the RHI-01 will give long service life.
Once the crystals have become saturated, simply run dry air through the fitting to return the crystals to their original form.
Indicating beads begin to change from blue to pinkish clear at 10% humidity and are completely pinkish clear at 15% humidity.
Can change color numerous times before requiring replacement of unit.
Designed for use in: Paint priming areas, Production lines, Spray booths, Quality control areas, Testing quality of compressed air.
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