Keysight FieldFox Handheld Analyzers Service Guide 11
Safety and Regulatory Information
General Safety Considerations
Before Applying Power
Servicing
If this product is not used as specified, the protection provided by the equipment could be
impaired. This product must be used in a normal condition (in which all means for protection are
intact) only.
This product is designed for use in Installation Category II and Pollution Degree 2 per IEC
61010-1:2001 and 664 respectively.
The measuring terminals on this instrument are designed to be used with external signals
described in Measurement Category I, but NOT with external signals described in Categories II,
III, and IV. The input of this instrument cannot be connected to the mains.
These servicing instructions are for use by qualified personnel only. To avoid electrical shock, do
not perform any servicing unless you are qualified to do so.
Danger of explosion if battery is incorrectly replaced. Replace only with the same or equivalent
type recommended. Discard used batteries according to local ordinances and/or manufacturer’s
instructions.
No operator serviceable parts inside. Refer servicing to qualified personnel. To prevent electrical
shock, do not remove covers.
For continued protection against fire hazard, replace line fuse only with same type and rating.
The use of other fuses or material is prohibited.
The detachable power cord is the instrument disconnecting device. It disconnects the mains
circuits from the mains supply before other parts of the instrument. The front panel switch is only
a standby switch and is not a LINE switch (disconnecting device).
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