WATERPROOF LARGE SCREEN DISPLAY pH SPEAR TESTER

Features
●   Waterproof, Unique Ribbed Design
●   Large Screen Display
●   One hand operation with wireless electrode
●   Tough spear tip glass and double pore sensor uses special polymer gel electrolyte
●   Replaceable Electrode
●   3 - point push-button calibration
●   HOLD function
●   Self-Diagnostic Messages
●   Warranty 1 years on tester against manufacturing defect and 6 months on electrodes.