9.8 Others
9.8.1 Do not open the device enclosure to avoid electric shock danger.
9.8.2 The device associated circuit schematics and critical parts list are only available to
authorized service station or maintenance personnel, who is responsible for maintenance of the
device.
9.8.3 The device belongs to measuring instrument. User should send the device to national
designated inspection institution for inspection according to the requirements of the national
metrological verification procedure. The device shall be inspected at least once per year, and all
the accessories should be inspected and maintained regularly (at least once every six months).
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