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Compact. Pocketable. Waterproof.

Milwaukee's PRO digital pH and conductivity testers are loved for their size and capability. Take accurate and reliable measurements with our advanced testers. No cables required.

As just 3.5 ounces, PRO Testers are easy to use with just one hand or take out of your pocket whenever you need it.

All Milwaukee PRO testers are waterproof and come with a replaceable probe for an extended life.