Oakton Waterproof pHTestr 30 716048

High 0.01 pH accuracy Simultaneous pH and temperature (C) display pH range - 1.0 to 15.0 pH Three point push-button calibration Double junction electrode ideal for dirty water, heavy sulfides and organics Increased reference gel volume offers significantly longer electrode life Certifiable to IP67 standards-waterproof and dustproof housing floats. Replaceable sensor lets you reuse same meter body, saving you money. Automatic temperature compensation