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.
BL931700-1 pH Mini Controller - 4 - 20mA output - 220V
เครื่องวัดปริมาณแอมโมเนีย ช่วงสูง รุ่น HI733 

