Kahn offers two chilled mirror optical hygrometer products, Optidew and Series 4000, to meet the requirements of a broad range of dewpoint measurement applications. Each product is available in a variety of models to suit the user's specific needs. (read more)

Kahn Instruments, Wethersfield, CT, a leading manufacturer of advanced moisture-measuring instrumentation, is proud to introduce the new HygroPort Portable Hygrometer. The HygroPort has a dewpoint measurement range of -148F to +68F, accuracy to +/-1.8F and is smaller, faster-responding, more versatile, lighter-weight and lower priced than other hygrometers of comparable performance. (read more)

Cryogenic Hygrometer - CR-1A - from Buck Research Instruments L.L.C.

The CR-1A is a high performance, cryogenically cooled hygrometer. CR-1 instruments have been routinely used aboard NASA aircraft and elsewhere for years. The CR-1A is a miniaturized version of the original CR-1, and uses a much smaller LN2 dewar. (read more)

Rugged, field proven chilled mirror technology. Over 30 years of proven reliablility. Wide measurement and operating range. (read more)

The Optidew Dewpoint and RH Hygrometer is a high performance, compact and economical chilled mirror optical instrument that provides continuous temperature, dewpoint and relative humidity measurement, display and output. Optidew offers a measurement range of -76 to +194F dewpoint (or 0.5 to 100% RH) at temperatures from -40 to +194F, and with accuracy of +/-0.36F dewpoint. (read more)

The CR-1A is a high performance, cryogenically cooled hygrometer. CR-1 instruments have been routinely used aboard NASA aircraft and elsewhere for years. The CR-1A is a miniaturized version of the original CR-1, and uses a much smaller LN2 dewar. Operating time per filling of LN2 ranges from 6 to 8 hours, depending on the dew points being measured. (read more)

Protecting against icing in low temperature/high humidity environments is vital to prolong the life and efficiency of a gas turbine. A new generation of the Optidew Hygrometers from Michell Instruments has been designed specifically for anti-icing systems in these applications. (read more)

Highest reliability. Unattended operation. Patented technology discriminates between dew & contaminants reducing maintenance. No drift or hysteresis. (read more)

Process Measurement & Controls' DM-509 Series handheld hygrometers are designed for portability and easy use. The unit features a large high contrast 0.4" LCD display, with low battery indication. (read more)

The Optisure Hygrometer, Kahn's new chilled mirror optical dewpoint measurement instrument, features +/-0.1°C dewpoint accuracy, fast response, a more readable display and a simple, more intuitive customer interface. The Optisure also features a new sensor head that has an advanced, dual optics system offering excellent measurement sensitivity and accuracy. (read more)