Waterproof Pocket ORP Tester, Premium 50 Series

Ideal for checking sanitizing solutions, chromate reduction, cyanide oxidation, and other ORP readings|Redesigned leakproof cap functions as a sample cup, hydrating cup, and as a stabilizing base to stand meter upright Replaceable, double-junction electrode sensors save time and money Easy-to-navigate interface for quick setup and calibration |The Oakton ORP 50 Waterproof Testr features a replaceable double-junction platinum electrode ideal for checking dirty water, heavy metals, sulfides, and organics. Valoxelectrode body resists most chemicals. Use these versatile instruments for applications ranging from swimming pool testing to pulp bleaching. Meter features 2 mV accuracy and a +/-150 mV offset. Housing allows you to attach a lanyard (included) for easy retrieval. Additional features include a hold function, auto-off function, self-diagnostic error messages, and a three-segment battery-life indicator.