Replacement Electrode for Hanna Checker pH Tester (HI 98103) Ozone Digital Time Clock: Schedules each

Digital Time Clock: Schedules each zone from the on-unit clock

What Does the Double Overwrap Protect

Each sheet is 2 by 4 inches

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Replacement Electrode for Hanna Checker pH Tester (HI 98103) Ozone Digital Time Clock: Schedules eachAt the cost of just a few rolls of litmus paper, you can have the industry's best pocket size pH tester. The Checker supplies you with fast and accurate readings from 0. 00 to 14. 00 pH with a resolution of 0. 01 pH. This compact tester features a large easy to read LCD and a simple to perform 2 point calibration. The pH electrode of the Checker can be replaced; simply unscrew the electrode from the meter body and screw on a new one. The Checker is