Contacting Keysight
To obtain service, warranty or technical assistance, contact us at the fol-
lowing phone numbers:
• United States Call Center: 800-829-4444
• Canada Call Center: 877-894-4414
• China Call Center: 800-810-0189
• Europe Call Center: 31-20-547-2111
• Japan Call Center: (81) 426-56-7832
For other countries, contact your country’s Keysight support organization. A
list of contact information for other countries is available on the Keysight
Web site: www.keysight.com/find/assist
Safety Notices Safety Information
This meter is safety-certified in compliance
with EN/IEC 61010-1:2001, ANSI/UL
61010-1:2004, and CAN/CSA-C22.2 No.
61010-1-04. Use with standard or compati-
ble test probes.
Safety Symbols
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 CAU-
TION notice until the indi-
cated conditions are fully
understood and met.
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 pro-
ceed beyond a WARNING
notice until the indicated
conditions are fully under-
stood and met.
Earth (ground) terminal
Caution, risk of electric
shock
Caution, risk of danger (refer
to the instrument manual for
specific Warning or Caution
information)
Category III 1000 V overvolt-
age protection
Category IV 600 V overvolt-
age protection
For further safety information details, refer to the
Keysight U1271A/U1272A Handheld Digital Multimeter User’s Guide.
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