Ergonomic, handheld pocket pH meters measure pH from 0.0 to 14.0. All models feature an integral pH electrode; sturdy, rugged case; large LCD and protective cap; and operate at temperatures from 0° to 50°C (32° to 122°F). pHep+ has the enhanced accuracy of automatic temperature compensation (0° to 50°C). All models operate on 1.4V batteries (included), and weigh less than three ounces.
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Colonial Scientific has teamed up with the industry leaders, Fisher Scientific and VWR, and now offers their entire product line. Colonial Scientific provides any part from the Fisher Scientific site with a part number.