accumet Universal pH/ATC Electrodes, Combination pH mercury-free electrodes with built-in temperature compensation, Each

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Combination pH mercury-free electrodes with built-in temperature compensationRecommended for all routine pH measurements including readings at low temperatures.Fast, accurate response from 5° to 100°C (41° to 212°F)Compatible with TRIS, proteins and sulfidesEpoxy body is impact resistant and ideal for rough handlingFeatures FS-5 Universal Glass Membranes with low electrical resistance - less than 100MΩ at 25°CSodium error is less than 0.1pH (in 0.1 N NaOH at 25°C)