3
Safety
Read this manual in its entirety before operating the Model 123 Signal Conditioner. Read all wiring and power
hookup instructions and understand the requirements prior to using another manufacturer's products with the
Model 123. Insure that any product being interfaced with the Model 123 is wired according to prevailing local
safety and operational standards before operating.
The following symbols and terms may be found on the Model 123 and its manuals and indicate important
information.
When found on the device, this symbol indicates that the operator should refer to the manual for
important instructions on the proper use of this device. When found in the manual, this symbol
indicates that the reader should understand the implications contained in the text before operating
the device.
This symbol indicates that a shock hazard may be present. Read the instruction manual carefully
and insure that the device is wired properly and that all settings have been checked prior to applying
power to the device.
The
WARNING
label indicates important information that should be heeded for safe and proper performance
of the device.
The
CAUTION
label is used to indicate that damage to the power supply or equipment connected to it could
occur if directions are not followed. Warranty could be invalidated if the instructions in this manual are not
followed.
Disassembling the Instrument
Turn Input Power Switch OFF before removing power cable from the instrument.
Remove power cable from instrument before disassembling any part of the instrument.
Grounding
To avoid electrical shock, the power cord protective grounding conductor must be
connected to power ground.
Fuse Replacement
For continued fire protection, replace fuse only with the specific type and rating by
qualified personnel (Reference Manual "Rear Panel" section). Disconnect the power
cord before replacing fuse.
