UNI-T UT311, Руководство по эксплуатации

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VII. MAINTENANCE
Warning: It is not allowed to scratch LCD of vibration meter during battery replacement and
measurement to avoid damage or influence to measurement precision. It is also not allowed to
charge replaced battery to avoid personal injury due to explosion!
1.Battery installation and replacement
Be sure to replace battery in a timely manner when symbol of
appears for vibration
meter. Battery replacement method is as follows:
Removing cell cover: Please replace 6F22 9V battery by the same model. Please do not in
stall improper battery.
Please pay attention to
+ and - polarity during battery installation.
Please install cell cover after installation.
2.General Maintenance
Please clean dirty instrument shell by wet cloth and neutral detergent. Please do not use
abrasive or solvent.
Please send damaged vibration meter to fixed repair agent or professional repair personnel
of our company if required. Please do not try to repair it individually.
Please do not scratch or contaminate LCD of vibration meter during use to avoid oil stain,
water leakage, damage or influence to it.
Please take battery out if it will not be used for a long time.
Please do not store instruments in wet environment and strong magnetic field under high
temperature.
3.Common Troubleshooting
Common troubles
No bootstrap
Tripping display or system halted Possible reason
Poor battery contact
Broken toggle switch or poor toggle