Casella CEL CEL-63X - Manual (Page 71)

CEL-63x Environmental & Occupational Noise Meter
71 Casella CEL
NOTE
Any stored data should be downloaded before sending the unit for service, because it
may be deleted during service. Also, any customer set-up should be noted, because
these may be changed or reset during service.
The necessary adjustments or repairs will be performed and the instrument
returned to you as soon as possible.
After the warranty has expired (except on approved accounts), service work is
undertaken against quotations and all packing and transit costs are charged
extra.
8.4 User servicing
There are no user-serviceable components inside the CEL-63x instrument.
DO NOT open the instrument to attempt repairs. You will cancel the warranty if
you attempt to open the instrument for any reason.
If you suspect the instrument has developed a fault, contact your local
Casella CEL agent to arrange for service and repair.