71X Series
Calibration Manual
2
Precautions and Safety Information
Use the Calibrator only as specified in this manual. Otherwise, the protection provided by
the Calibrator may be impaired.
A Warning statement identifies conditions and actions that pose hazard(s) to the user; a
Caution statement identifies conditions and actions that may damage the calibrator. The
following Warning and Caution statement applies to all of the 71X Calibrators unless
noted:
XW Warning
To avoid possible electric shock or personal injury:
• Use the 718Ex Calibrator only as described in the User
Manual and the Fluke 718Ex CCD (Concept Control
Drawing) or the protection provided by the calibrator
may be impaired.
• Follow all equipment safety procedures.
• Inspect the Calibrator before use. Do not use it if it
appears damaged.
• Check the test leads for continuity, damaged insulation,
or exposed metal. Replace damaged test leads.
• When using probes, keep fingers behind the finger
guards on the probes.
• Make sure the battery door is closed before using the
Calibrator.
• Never apply more than 30.0 V between the input
terminals, or between any terminal and earth ground.
• Applying more than 30.0 V to the input terminals
invalidates the 718Ex Calibrator’s Ex Approval and may
result in permanent damage to the unit so it can no
longer be used.
• Use the proper terminals, mode, and range for the
measuring or sourcing application.
• When making connections, connect the COM test probe
before the live test probe. When disconnecting,
disconnect the live probe before the COM probe.
• Never use the 718Ex Calibrator with the red holster
removed.
• Never open the 718Ex Calibrator case. Opening the case
invalidates the Calibrator’s Ex Approval.
• Replace the battery as soon as the (low battery)
symbol appears to avoid false readings that can lead to
electric shock. Remove the 718Ex Calibrator from the Ex-
hazardous area before opening the battery door.
• Use only type 9 V batteries, properly installed in the
meter case, to power the meter. For the 718Ex, refer to
“718Ex Approved Batteries”.
1.888.610.7664 sales@GlobalTestSupply.com
Fluke-Direct.com
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