Keysight U1271A, U1272A Quick Start Guide
Keysight U1271A/U1272A
Handheld Digital
Multimeter
Quick Start
Guide
CAUTION
WARNING
CAT III
1000 V
CAT IV
600 V
ENGLISH
Contacting Keysight
www.keysight.com/find/assist
(worldwide contact information for
repair and service)
Safety and EMC Information
The U1271A/U1272A is
safety-certified in compliance with
EN/IEC 61010-1, EN/IEC
61010-2-033, CAN/CSA-C22.2
No.61010-1, CAN/CSA-C22.2
No.61010-2-033, UL Std. No.
61010-1/ 61010-2-033, CAT III
1000 V, CAT IV 600 V for pollution
degree 2 environment.
EMC is designed in compliance
with EN 61326-1.
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.
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)
Fuse
Alternating current
Direct current
Battery, general
Category III 1000 V
overvoltage protection
Category IV 600 V
overvoltage protection
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 U1271A/U1272A Handheld Digital Multimeter User’s Guide.
2 Keysight U1271A/U1272A Quick Start Guide
NOTE
Keysight U1271A/U1272A Handheld Digital Multimeter Quick Start Guide
Verify that you received the following items in the
shipment of your multimeter:
✔ Standard test leads
✔ Test probes with 4 mm tips
✔ K-type thermocouple and adapter
✔ 4 x AAA alkaline batteries
✔ Certificate of Calibration
If any item is missing or damaged, keep the
shipping materials and contact the nearest
Keysight Sales Office.
ENGLISH
The descriptions and instructions in this guide apply
to the U1271A and U1272A Handheld Digital
Multimeters.
The model U1272A appears in all illustrations.
All related documents and software are available for
download at www.keysight.com/find/hhTechLib.
Keysight U1271A/U1272A Quick Start Guide 3
ENGLISH
Differences between the U1271A and U1272A
The U1272A model offers these additional
functions:
–Z
– Smart Ω measurements
–Auto-diode tests
– AC+DC voltage and current measurements
– J-type thermocouple temperature
– 30 Ω and 300 MΩ ranges for resistance
– dBm and dBV measurements with selectable
– Data logging up to 10,000 memories
The U1271A model has one differing function:
– Qik-V tests
(low input impedance) measurements
LOW
measurements
measurements
impedance
Install the Batteries
Your multimeter is powered by four 1.5 V AAA
alkaline batteries (included with the shipment).
1 Turn the rotary switch to OFF
and remove the test leads
from the terminals.
2 Lift the tilt stand and loosen
the screws with a suitable
Phillips screwdriver.
3 Remove the battery cover and observe the
polarity markings.
4 Insert the batteries and replace the battery
cover and screws.
4 Keysight U1271A/U1272A Quick Start Guide
Turn On the Multimeter
NOTE
Display screen
Keypad
Rotary switch
Input terminals
To power ON your multimeter, turn the rotary
switch to any other position.
Your multimeter is capable of remote data logging.
To use this feature, you will need an IR-USB cable
(U1173A, purchased separately) and the Keysight
GUI Data Logger Software (downloadable from
www.keysight.com/find/hhTechLib).
The Multimeter at a Glance
ENGLISH
Keysight U1271A/U1272A Quick Start Guide 5
ENGLISH
Test lead/probe holders
IR communication port
Battery access cover
Tilt stand
U1271A U1272A
NOTE
S
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V
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Understanding the Rotary Switch
Press to switch between the shifted and
regular functions.
6 Keysight U1271A/U1272A Quick Start Guide
Legend Description
Smart
Auto
AC V with Low Pass Filter
AC mV with Low Pass Filter
DC, (AC, or AC+DC V, U1272A only)
DC, (AC, or AC+DC mV, U1272A only)
Resistance/Continuity/(Smart Ω, U1272A only)
Diode/(Auto-diode, U1272A only)
Capacitance/Temperature
AC, DC, or (AC+DC mA and A, U1272A only)
AC, DC, or (AC+DC μA, U1272A only)
AC/DC V check for signal identification (U1271A only)
(low input impedance) AC/DC V for checking ghost voltages
Z
LOW
(U1272A only)
ENGLISH
Keysight U1271A/U1272A Quick Start Guide 7