The double-junction, waterproof “pHTestr2” is an advanced, pocket-sized pH meter. Features include pushbutton calibration, IP67-rated waterproof-dustproof housing, replaceable electrodes, and the ability to withstand harsh chemical environments. The battery-powered meter operates in temperatures from 0° to 50°C (32° to 122°F) with a range of -1 to 15 pH. It is useful in such applications as food processing, environmental studies, and lab measurements.

Telatemp Corp., 351 S. Raymond Ave., Fullerton, CA 92831; 800-321-5160; 714-870-8136 (fax); telatemp@pacbell.net (e-mail); www.telatemp.com (Web site).

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