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PRO Pocket Testers

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.

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

Qty Price UnitItemCat# Mfg#
$55.00 EAEC59 PRO Waterproof 3-in-1 Conductivity / TDS & Temperature Tester with Replaceable Probe21-EC59EC59
$55.00 EAEC60 PRO Waterproof 3-in-1 EC / TDS/Temp Tester with Replaceable Probe21-EC60EC60
$50.00 EAMI56P Replacement Electrode for pH55 and pH56 2-in-1 pH / Temperature Testers21-MI56PMI56P
$68.00 EAMI57P Replacement Electrode for ORP57 ORP Tester21-MI57PMI57P
$50.00 EAMI59P Replacement Electrode for EC59 and EC60 3-in-1 Conductivity / TDS / Temperature Testers21-MI59PMI59P
$115.00 EAORP57 PRO Waterproof ORP/Temperature Tester with Replaceable Probe21-ORP57ORP57
$55.00 EAPH55 PRO Waterproof pH & Temperature Tester with ATC & Replaceable Probe21-PH55PH55
$80.00 EAPH56 PRO Waterproof 2-in-1 pH/Temp Tester with Replaceable Probe21-PH56PH56