Hanna Instruments HI 9813-5 Instruction Manual

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Contents

Hanna Instruments HI 9813-5 Instruction Manual Manual pdf 12 page image

12PROBE MAINTENANCEPROBE MAINTENANCEPROBE MAINTENANCEPROBE MAINTENANCEPROBE MAINTENANCEThese meters are powered by a 9V battery that is located on the rearof the instrument.When battery symbol is empty a low battery condition is indicated.When the low battery indication appears, only a few hours of workingtime remains.It is recommended to replace the battery immediately.When the battery level is so low that it may cause unreliablemeasurements, the meter turns off.Battery replacement must only take place in a nonhazardous areausing a 9V alkaline battery.Unscrew the three screws on the rear of the meter, remove thebattery compartment cover and replace the 9V battery with a newone while observing its polarity.Make sure the battery contacts are tight and secure before replacingthe cover.BATTERY REPLACEMENTBATTERY REPLACEMENTBATTERY REPLACEMENTBATTERY REPLACEMENTBATTERY REPLACEMENTPERIODIC MAINTENANCEInspect the probe and the cable. The cable used for the connection tothe meter must be intact and there must be no points of brokeninsulation on the cable or cracks on the probe stem or bulb.Connector must be perfectly clean and dry. If any scratches or cracks arepresent, replace the electrode. Rinse off any salt deposits with water.