Oakton PH TESTER WATERPROOF,

Oakton Waterproof Big Display pHTestr 10 BNC Meter Only package includes meter, four 1.5V batteries, instructions. Required Accessories: Without electrode; accepts most pH combination electrodes with BNC connector. Microprocessor-based, with accurate readings to 0.1pHLets you use most any pH combination electrode with BNC connectorPush-button three-point calibrationHold function; auto-off; error messagesWaterproof, dustproof and floatable; certifiable to IP67 standards.