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Dewpoint meter features autocalibration

Lightweight without bulky desiccant containers, a new handheld dewpoint meter can measure temperatures down to -60C with an accuracy of ±2 deg C. The Vaisala Drycap uses a sensor purge to heat and dry the probe prior to measurement so it can go from ambient to dry conditions and respond quickly.

The dewpoint meter's probe also features a patented autocalibration system that assists users by maintaining accuracy and monitoring dry-end performance, while correcting for variations.

Data logging, rechargeable battery system, and a selection of humidity and dewpoint parameters for display are standard features. Vaisala Inc., Woburn, MA; 781 933 4500;

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