SDM3055 Series Digital Multimeter User Manual
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Appendix C: Daily Maintenance and Cleaning
Maintenance
When storing or placing the instrument, please avoid the liquid crystal display from direct sunlight for
a long time.
NOTE:
To avoid damages to the instrument or probe, please don’t place them in mist, liquid or solvent.
Cleaning
Please often clean the instrument or probe according to the use of them.
⚫ Wipe the external ash of the instrument and probe by a soft rag. Be careful not to scratch the
transparent plastic protective screen when cleaning the liquid crystal screen.
⚫ Use a soft rag that has been soaked by water to clean the instrument after cutting off the power.
Or use 75% isopropyl alcohol of water solvent to get a more thorough cleaning.
NOTE:
⚫ To prevent the surface of the instrument or probe from damages, please don’t use any corrosive
or chemical cleaning reagents.
⚫ Please make sure the instrument is already dry before restarting it to avoid short circuits or
personal injuries caused by water.
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