Keysight U1241B and
U1242B Handheld
Digital Multimeter
Quick Start
Guide
Contacting Keysight
CAUTION
WARNING
CAT III
1000 V
CAT IV
600 V
www.keysight.com/find/assist
(worldwide contact information for
repair and service)
Safety and EMC Information
The U1241B and U1242B is
safety-certified in compliance with
IEC/EN 61010-1, IEC/EN
61010-2-030, IEC/EN
61010-2-033, CAN/CSA-C22.2 No.
61010-1, CAN/CSA-C22.2 No.
61010-030, CAN/CSA-C22.2 No.
61010-033, UL Std. No. 61010-1,
UL Std. No. 61010-030 and UL Std.
No. 61010-033.
EMC is designed in compliance
with IEC 61326-1/EN 61326-1,
CISPR11/EN55011 Group 1 Class
A, ICES/NMB-001, and AS/NZS
CISPR 11.
Safety Notices
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.
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.
Safety symbols
Earth (ground) terminal
Equipment protected
throughout by double
insulation or reinforced
insulation
Caution, risk of electric
shock
Caution, risk of danger
(refer to this manual for
specific Warning or Caution
information)
Category III 1000 V
overvoltage protection
Category IV 600 V
overvoltage protection
For further safety information details, refer to the
Keysight U1241B and U1242B Handheld Digital Multimeter
User’s and Service Guide.
2 Keysight U1241B and U1242B Quick Start Guide
Table of Contents
Keysight U1241B and U1242B Handheld
Digital Multimeter Quick Start Guide . . . . . . 5
Tilt Stand . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Annunciator Display . . . . . . . . . . . . . . . . . . . . . 8
Functions and Features . . . . . . . . . . . . . . . . . . . 9
Keysight U1241B and U1242B Quick Start Guide 3
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4 Keysight U1241B and U1242B Quick Start Guide
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