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.
HI98308 PWT - Pure Water Tester - Conductivity (up to 99.99 µS/cm)
HI96822 Seawater Analysis (Salinity) - Digital Refractometer Portable
HI93501N FOODCARE Thermistor-Thermometer
HI7001L - 1.68 pH@25°C - SQ - 500ml
HI93706-01 Phosphorous - Reagents - 100 Tests
HI98130 COMBO Tester for pH/EC/TDS/C° up to 20 mS, waterproof
HI711 Checker HC ® - Total Chlorine
BL1.5 Black Stone Dosing Pump 1.5lph 13 bar
HI705 Checker HC ® - Silica, LR
เครื่องวัดค่าเหล็ก รุ่น HI721 

