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Oakton pHTestr 5S Spear-Tip Waterproof Pocket

Item # WD-35634-52

This pocket-sized tester has a replaceable single-junction sensor which can be easily switched out, allowing you to save money by using the tester body over and over again. A large LCD makes viewing measurements easy and features a three-color backlight indicating operational mode—blue for measurement, green for calibration and red for alarm condition.

Additional features include hold function to lock in measurements, self-diagnostic error message, and status icons for measurement stability and low battery voltage. The IP67-rated housing features an easy-to-grip design and floats if accidentally dropped in water when sensor cap is on. Powered by four AAA batteries, the tester can operate up to 400 hours continuously. To conserve power, the unit will auto power-off after 8 minutes of nonuse.

The pH tester features up to 3-point pH calibration with NIST or US auto buffer recognition, a pH range from -2 to 16 with an accuracy of ±0.01 pH, and automatic temperature compensation. It supports a ORP probe (sold separately).

Large easy-to-read LCD features three-color backlight
Simple to calibrate with automatic standard recognition
Rugged IP67-rated housing is waterproof, dustproof, and floats in water with sensor cap on
Leakproof cap with fill line functions as a sample/calibration and hydrating cup
Secure—attach a lanyard to prevent losing or dropping in the field
Auto shutoff extends battery life
Features a spear-tip probe—ideal for testing semisolid and solid materials


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