Appendix B: Maintenance and Cleaning
General maintenance
Do not store or place the instrument in a place where the LCD screen will be
exposed to direct sunlight for a long time.
Caution: Do not let spray, liquid or solvent touch the instrument or probe to
prevent damage to the instrument or probe.
Cleaning:
Check the instrument and probe frequently according to the operation. Clean
the external surface of the instrument as follows:
1. Please wipe the floating dust outside the instrument and probe with a soft
cloth. When cleaning the LCD, be careful not to scratch the transparent LCD
protection screen.
2. Wipe the instrument with a damp but non dripping soft cloth. Please
disconnect the power supply. It can be scrubbed with soft detergent or water.
Do not use any abrasive chemical cleaning agent to avoid damaging the
instrument or probe.
Warning: Please make sure the instrument is dry before re-energizing
to avoid electrical short circuit or personal injury caused by moisture.