Remember to purchase the pH standard solutions to calibrate this instrument. We recommend you choose both the 4.01 and the 7.01 solutions.
Introduced in 1986, the pHep® revolutionized pH measurement by providing everyone with a simple, inexpensive pocket pH tester. Thanks to over two decades of manufacturing experience, this series of pH testers has been completely re-designed: today, the pHep® family features a casing that is rugged and ergonomically enhanced to fit your hand. The design of these testers also features a larger LCD so measurements are easier to read from any angle. With the latest innovation of a nonclogging fiber junction the new pHep® meters last much longer. You can simply pull out 1-2 mm (1/8") of the junction fiber to completely renew
