Portable Dew Point Meters are designed to measure the performance of drying systems for air, nitrogen and other compressed gases. The Meters is suitable for monitoring medical, commercial and industrial applications including plastics resin dryers, breathing air, pneumatic tools, instrument air, and spraying/ coating applications. The Meters can be used continuously up to 90 hours without low battery indication. The Portable Dew Point Meters are durable that ensures long lasting life.