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The PHB-209 pH/mV Bench Meter now offers a rugged ABS casing with sturdy knobs and a reference chart for pH and temperature on the front panel. The keypad has membrane keys for changing the mode and knobs for slope and offset calibration. The pH offset and slope are manually adjustable in order to display the calibration concept and the electrode characteristics. The LCD displays the temperature comprehensively while manually compensating for its effects.
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