Extech Waterproof ExStik II Dissolved Oxygen Meter (DO600)
Includes DO600 meter, DO603 membrane kit, 16ft (5m) extension cable, weighted probe guard, and hard carying case — $125 savings. Ideal for compost tea makers.
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Waterproof ExStik® II Dissolved Oxygen Meter - Easy to replace screw on membrane cap with optional extension cables. Allows you to measure Dissolved Oxygen in laboratories or out in the field with a 16ft (5m) extension cable and probe weight guard for taking easy measurements in tanks or streams. Ideal for measuring water, soil solutions and especially of interest to people making compost tea.
DO600 meter includes DO electrode, protective sensor cap, spare membrane cap, electrolyte, four 3V CR-2032 batteries, and 48" (1.2m) neckstrap.