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Summary of Contents for HM Digital PH-200
- Page 4 1. Remove the cap. 2. Click the ON/OFF button. The display will activate. 3. Dip the meter into the water sample, liquid or solution to be tested. 4. Lightly swirl the meter to ensure the removal of trapped air bubbles or electric charges. Do not tap It against the glass.
- Page 7 When the meter displays a ashing battery symbol, your batteries are getting weak and should be replaced soon. To change the batteries: 1. Twist open the end cap on the top of the meter. 2. Twist the battery cap to the open position. 3.
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