OAKTONŽ Double Junction pH Testers

• Double-junction pH electrode lasts longer, making tester more economical.

pHTestrs last significantly longer, even in harsh applications, due to unique double-junction design and increased reference gel volume. Microprocessor-based tester gives you fast, stable and repeatable results. Useful in all categories of water and waste water testing, laboratory, boilers, wine, plant nutrient solutions, chemical processing, metal plating, sanitation, biotech, ecology, soil run off and more.

IP67 housing is waterproof and dustproof. Tester floats in water. Push-button operation and calibration makes it fast and easy to use with auto-buffer recognition at pH 4, 7 and 10. Self-diagnostic error messages. Functions include hold, calibrate, auto buffer recognition and auto shut-off after 8-1/2 minutes of nonuse. Each tester is 6.5"L x 1.5" dia. and weighs just 3.25 oz. Operates on three 1.5V batteries for approximately 720 tests. No. 78245 features temperature readout with a range of 0°-50°C, resolution of 1°C and accuracy or ą1°C. Nos. 89301-89302 include tester, pH "Singles" calibration pouches (two each pH 4.01; 7.00; 10.00 and rinse water), sample jar, instructions and foam-lined carrying case.