YD300_Quick_Start_手册说明书指南

YD300 Portable Water Hardness MeterQuick Start Manual1.Electrode Activationa)First-time use--shake electrode with force for a few times to make the inner solution flowinto the compartment of the measuring head.Pour a little water hardness soaking solutioninto the "soaking solution"transparent bottle (about half);place the bottle to the blackmetal base;take off the yellow electrode cap and let the sensor tip soak in the solution for1 hour.b)Routine use--The activation time in the soaking solution is 20 to 30 minutes for routineuse.As long as the reading is stable (when icon appears and stays on the screen),users can start the calibration (always perform calibration before tests).c)Frequent use (>3 times of use every week)-find the smaller white bottle inside thetransparent soaking solution bottle;loosen the cap on the bottle,then pour some soakingsolution to about half of the bottle;then take off the yellow electrode cap and insert theelectrode into this white bottle,then screw tight the cap.Store the probe in the white bottlewhen not in use;when using,just pull out the electrode and rinse it with distilled/deionizedwater before test.No activation needed anymore because it is always soaked (activated)when not in use.2.Calibration (take B2,B3 calibration and mmol/L as an example)a)Connect the electrode to the meter:loosen the plastic cap on the meter's connector;rotatethe black cable head to the right direction so it can be inserted to the connector of the meter(don't force it in case of damage);screw tight the stainless-steel cap.b)Press (cAL)button,B2 and CAL1 will be flashing simultaneously,indicating meterenters the lst point calibration,and the calibration solution is B2c)Dap electrode with clean tissue after rinsing it in distilled water and put it into B2 solution;d)Gently stir the probe and let it stand still:afterstayson the screen,press(CALbuttonYD300 Version 7.0 12.15