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WTW Measurement Systems: pH meters

ProfiLine™ Series portable pH meters are accurate, shock resistant, waterproof, and submersible, the manufacturer says. Features include auto calibration, auto temperature compensation, bidirectional RS-232 interface, continuous operation with plug-in 120-vac power or 1,500 hrs with integrated rechargeable battery, and built-in electrode storage sleeve. The large LCD shows pH measurement and temperature as well as battery condition.

WTW Measurement Systems, Inc., 3170 Metro Parkway, Ft. Myers, FL 33916-7597; 800-645-5999 or 941-337-7112; 941-337-2045 (fax); wtw-inc@aol.com (e-mail).

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