Contacting Keysight
www.keysight.com/find/assist
(worldwide contact information for
repair and service)
Safety and EMC Information
This meter is safety-certified in
compliance with EN 61010-1/IEC
61010-1. Measurement Category
CAT III 600 V; Pollution Degree II.
EMC designed in compliance with
EN61326-1/IEC61326-1. Use with
standard or compatible test probes.
Safety Notices
CAUTION
A CAUTION notice denotes a
hazard. It calls attention to an
operating procedure, practice, or
the like that, if not correctly
performed or adhered to, could
result in damage to the product or
loss of important data. Do not
proceed beyond a CAUTION notice
until the indicated conditions are
fully understood and met.
WARNING
A WARNING notice denotes a
hazard. It calls attention to an
operating procedure, practice, or
the like that, if not correctly
performed or adhered to, could
result in personal injury or
death. Do not proceed beyond a
WARNING notice until the
indicated conditions are fully
understood and met.
For further safety information details, refer to the
Keysight U1231A/U1232A/U1233A Handheld Multimeter User's Guide.
2
Keysight U1231A/U1232A/U1233A Quick Start Guide
Safety symbols
Earth (ground) terminal
Equipment protected
throughout by double
insulation or reinforced
insulation
Caution, risk of danger
(refer to this manual for
specific Warning or Caution
information)
Fuse
Alternating current
Direct current
Battery, general
Category III 600 V
CAT III
overvoltage protection
600 V