The HANNA HI-98100 Checker Plus pH Tester is designed for straightforward and reliable pH measurement, making it ideal for science lessons in secondary and college settings. Its slim, replaceable electrode and clear LCD display support both teachers and students in obtaining accurate results during practical investigations.

• Measures pH from 0.00 to 14.00 with 0.01 pH resolution and ±0.2 accuracy

• Automatic two-point calibration and buffer recognition for ease of use

• Long, thin electrode suitable for test tubes and vials; easily replaceable

• Includes cleaning solution, pH 4 and pH 7 buffer sachets

• Battery operated (CR2032 Li-ion) with up to 1000 hours of use

• Suitable for classroom environments (0 to 50°C)

• Please note that the Checker Plus has been selected for use in the school science laboratory, it is not suitable for use in the testing of cosmetics and soaps.