User`s guide

Contacting Agilent
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 Agilent support organization. A
list of contact information for other countries is available on the Agilent
Web site: www.agilent.com/find/assist
Safety Notices Safety and EMC 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 for CAT III 1000 V/CAT IV 600 V
pollution degree 2 environment. EMC is
designed in compliance with IEC
61326-1:2005/EN 61326-1:2006. Use with
standard or compatible test probes.
Safety Symbols
CAUTIONCAUTION
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.
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 pro-
ceed beyond a WARNING
notice until the indicated
conditions are fully under-
stood and met.
Earth (ground) terminal
Equipment protected
throughout by double insula-
tion or reinforced insulation
Caution, risk of electric
shock
Caution, risk of danger (refer
to the instrument manual for
specific Warning or Caution
information)
Category III 1000 V
overvoltage protection
Category IV 600 V
overvoltage protection
CAT III
1000 V
CAT IV
600 V
For further safety information details, refer to the
Agilent U1273A/U1273AX Handheld Digital Multimeter User’s Guide.