Clean the liquid junction of your electrodes once a day or at least once a week to prevent clogging and to maintain accuracy. Immerse the electrode in the proper cleaning solution for about 5 minutes.
HANNA® offers a wide range of cleaning solutions, for general purpose and specific applications, to eliminate all kind of dirt or deposit from the electrode, and thus ensure correct measurements.
HI70032C - 1382 mg/l (ppm) TDS@25°C Cert. - 25x20ml
สารละลายมาตรฐานความขุ่น 20 NTU
HI98129 COMBO Tester for pH/EC/TDS/C° up to 3999 µS, waterproof 



