OAKTON ORPTestr 50 [WD-35634-45] Waterproof Pocket ORP Tester

The Oakton WD3563445 ORP 50 Waterproof Testr features a replaceable double-junction platinum electrode - ideal for checking dirty water, heavy metals, sulfides, and organics. Valox electrode body of the WD-35634-45 resists most chemicals. Use these versatile instruments for applications ranging from swimming pool testing to pulp bleaching. The Oakton WD-35634-45 features a 2 mV accuracy and a +/-200 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.