Operating Instructions

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General maintenance
When the surface of meter is dirty, clean with wet cloth and neutral
detergent, grinding miller and solvent are forbidden.
When the meter is damaged and needs to be repaired, please send it to the
designated maintenance center of our company for repair by professional
service man, do not repair it without authorization.
Especially in the process of using, keep the sensitive mirror of meter away
from scratch or dirt to avoid damaging the mirror or influencing the measuring
precision.
Remove the battery if it won’t be used for a long time.
Troubleshooting – Causes and Corrective Measures