Dew Point | Hygrometers

KAHN, Hygrometer, Dewpoint

Kahn manufactures a full line of precision hygrometers using the most accepted, proven technologies. Kahn hygrometers measure moisture in a broad variety of gases from vacuum to 6000 PSIG. Featuring more than 10 models, the Kahn product line can measure dewpoints from -120°C to +90°C (-184°F to 194°F).

A choice of technologies:

Ceramic sensors yield the fastest response time and greatest corrosion resistance.

Kahn pioneered the use of ceramic substrate sensors to meet the need for accelerated response and for measuring dewpoints in mildly corrosive gases. The result is a ceramic sensor that not only provides the fastest documented response to dewpoint changes, but also uses a sintered ceramic base material and innovative film deposition techniques to improve chemical and mechanical resistance to corrosive gases. In addition, Kahn sensors are very stable and are not harmed by contact with water. All ceramic sensors are fully interchangeable without the need for hygrometer recalibration.

Extremely accurate Chilled Mirror Optical Systems provide a fundamental method of dewpoint measurement.


These thermo-electrically chill a mirror surface until dew or frost begins to form, providing the most fundamental measurement of dew or frostpoint. Formation of dew or frost is precisely monitored by an electro-optical system; measurements are traceable to national and international standards. To account for the buildup of contaminants on the mirror surface, Kahn's system incorporates Automatic Balance Compensation (ABC). Periodically, the instrument automatically heats the mirror to vaporize the accumulated dew or frost, recalibrates itself for altered reflectivity due to contaminants, then returns to normal measuring.

The Track-It™ Relative Humidity/Temperature Data Logger is a powerful, easy to use battery powered compact data logger that records up to 32,000 samples each of temperature and humidity data. Simply plug the data logger into an available USB port on your PC and customize the settings, transfer data or view data in real time with the included Track-It Software program.

Utah Residual Chlorine Monitor, Q46H, Q45, ATi

The ATi model Q46H Chlorine Monitor (Analyzer, Transmitter) system uses a polarographic membraned sensor to measure chlorine directly, without the need for chemical reagents.

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