The HI98103 Checker is the next generation of the original Hanna Checker pH tester. The Checker is the most popular pH meter in the world with over 1 million meters used since its introduction in 1991. From students to researchers, the Checker has been helping people with their pH measurement as a meter that is simple to use and operate.
Hanna's HI98107 pHep® pH tester displays readings with 0.1 pH resolution, ±0.1 pH accuracy, and a range from 0.0 to 14.0 pH. This rugged, reliable, ergonomic, pocket-sized tester is designed for use in the lab or fields while keeping things simple with a two-button operation.
Extractable Cloth Junction to Extend pH Electrode Life
Hanna's pHep®4 waterproof tester is an advanced meter has many features that can be found in portable and benchtop meters. This ergonomic meter measures from -2.0 to 16.0 pH with an accuracy of ±0.1 pH. pHep®4 features automatic one or two-point calibration and automatic temperature compensation. The large multi level LCD display shows both pH and temperature readings simultaneously, while a stability indicator is displayed to alert the user when a stable reading has been obtained. The pHep®4 tester also features a replaceable pH probe that has a unique extendable cloth junction to clear any clogging that occurs.
Hanna's pHep®5 is an advanced, ergonomic, waterproof pH and temperature tester, with 0.01 resolution, that measures from -2.0 to 16.0 pH pH and accuracy of ±0.05 pH. pHep5 features automatic one or two-point calibration to known buffer and automatic temperature compensation.