VAISALA TEMP & RH METER Videoscopes & Borescopes Building on the patented DryCal

Building on the patented DryCal near-frictionless piston technology

and polypropylene check balls

001 ppm (1 ppb) to 50 ppm

Convenient and innovative SmartCalSM feature provides automatic pump calibration

Ergonomically designed and featuring daylight-readable icons

VAISALA TEMP & RH METER Videoscopes & Borescopes Building on the patented DryCalThis handy pocket sized meter provides fast and accurate spot checks of relative humidity and temperature, with a next generation humidity sensor that is accurate, durable and insensitive to dust and most chemical contaminants. The 'hold' button lets the user retain an RH or temperature reading, until it has been noted or recorded.