1.       Pls immerse the electrode in the pure water when the instrument out of use. Keep the instrument, beaker in the dustfree situation, or the accuracy will be affected.

2.       If the instrument do not use for a long time, disconnect the power, take off the electrode, pore the pure water into electrode cap, and cover the cap to protect the electrode.

3.       Maitenance regularly.

Weekly

Clean the conductivity electrode with soft nipkin.