Relative humidity, dew point, water activity and temperature measuring instruments for industrial and scientific applications.

Decagon Devices Homepage. Decagon makes water activity meters and biophysical research instrumentation.

General Eastern Instruments is an industry leader in the measurement of humidity, offering a comprehensive line of HVAC transmitters and relative humidity sensors as well as Chilled Mirror dew point hygrometers and humidity generators. ...

Thunder Scientific: the world's leading manufacturer of humidity generators and humidity calibration equipment. Our products are found in standards and metrology laboratories, in the industries of aerospace, pharmaceuticals, manufacturing, and environmental testing.

DRYTECH is a NJ corporation which designs and manufactures a wide range of desiccators, cartridge dehydrators, dryers and humidity indicators. DRYTECH has been redefining and creating solutions to moisture control problems for over a decade.

Mac Instruments manufactures high temperature (up to 2000 deg F ) humidity and dew point analyzers, as well as steam flow meters and transmitters.