Replaceable electrode Reuse same meter body over and over
Auto shutoff Saves your batteries
Full reading displayed
Temperature readout Dual display for readings at a glance; °C or° F selectable
Automatic temperature compensation (ATC)
Never watch a tester sink to the bottom of your tank or pond! The Oakton WD-35662-30 ECTestr 11 is a dual-range waterproof tester that floats, so theres no need to worry. Valox housing and stainless steel electrodes offer good chemical compatibility and durability. The WD3566230 ECTestr 11 has replaceable sensors. Reuse the meter body many times without losing waterproof and dustproof protection.