Keysight U1231A Bedienungsanleitung

Keysight U1231A/U1232A/

U1233A Handheld Multimeter

Quick Start Guide

Verify that you received the following items in the shipment of

your multimeter:

✔One pair of red and black test leads

✔Four 1.5 V AAA alkaline battery

✔Printed copy of the U1231A/U1232A/U1233A

Quick Start Guide

If any item is missing or damaged, keep the shipping materials

and contact the nearest Keysight Sales Office.

NOTE

The descriptions and instructions in this guide apply to the

U1231A, U1232A, and U1233A handheld multimeters.

The model U1233A appears in all illustrations.

All related documents and software are available for download

at www.keysight.com/find/hhTechLib.

Quick Start Guide

Keysight

U1231A/U1232A/U1233A

Handheld Multimeter

U1231A/U1232A/U1233A Handheld Multimeter

Install the Batteries

2 U1231A/U1232A/U1233A Quick Start Guide

Install the Batteries

Your multimeter is powered by four 1.5 V AAA alkaline batter-

ies (included with the shipment).

1Turn the multimeter OFF and remove the test

leads from the terminals.

2Loosen the screw on the battery cover with a

suitable Phillips screwdriver.

3Remove the battery cover and observe the

polarity markings.

4Insert the batteries and replace the battery

cover and screw.

Turn On the Multimeter

To power ON your multimeter,

turn the rotary switch to any

other position.

Controlling the Multimeter Remotely

Your multimeter is capable of

remote data logging.

To use this feature, you will

need a PC running a Windows

operating system, an IR-USB

cable (U1173A, purchased sepa-

rately), and the Keysight GUI

Data Logger Software.

The Keysight GUI Data Logger software is downloadable for

free from www.keysight.com/find/hhTechLib.

To PC (host)

U1231A/U1232A/U1233A Handheld Multimeter

The Multimeter at a Glance

U1231A/U1232A/U1233A Quick Start Guide 3

The Multimeter at a Glance

Vsense indicator

Keypad

Rotary switch

LED flashlight

Battery cover

Tilt stand

Display screen

Input terminals

Test lead/probe holders

IR communication port

(U1233A only)

U1231A/U1232A/U1233A Handheld Multimeter

Understanding the Rotary Switch

4 U1231A/U1232A/U1233A Quick Start Guide

Understanding the Rotary Switch

NOTE

Some rotary switch positions have a shifted function printed in

orange. Press to switch between the shifted and regular

function.

Legend Functions shown in the primary display

Low input impedance — VZLOW Auto (AC or DC)/

VZLOW DC V/VZLOW AC V for eliminating ghost voltages

AC V/Frequency

DC V

Resistance/Short continuity/Open continuity[1]

Diode

Capacitance/Temperature (U1233A only)

Capacitance/Auxiliary Temperature (U1232A only)

Capacitance (U1231A only)

DC or AC A/Frequency

DC or AC μA/Frequency

Clamp-on AC or DC A/Frequency (U1231A only)

Auxiliary Temperature (U1231A only)

[1] Open continuity option must be enabled through the multimeter’s Setup

( > ). Open continuity is disabled by default.

WARNING

Remove the test leads from the measuring source or

target before changing the rotary switch position.

Refer to the U1231A/U1232A/U1233A User’s Guide for a

complete list and description of all rotary switch labels for

each separate multimeter model.

Shift

Esc

AUX

U1231A/U1232A/U1233A Handheld Multimeter

Understanding the Keypad

U1231A/U1232A/U1233A Quick Start Guide 5

Understanding the Keypad

Understanding the Input Terminals

Legend Key response when pressed for:

Less than 1 second More than 1 second

Sets the null/relative mode Enters the Hold-Log Recall

Starts the MaxMin recording Stops the MaxMin recording

Sets a manual range Enables autoranging

Freezes and stores the present

reading in the

display

Automatically freezes the pres-

ent reading

once the reading is stable

Turns the LCD backlight on or

off.

Turns the LED flashlight on or

off.

Switches between the regular

and shifted (icons printed in

orange) functions

U1233A only: Enables the

non-contact voltage detector

(Vsense).

Null

Recall

Max

Min

Auto

Range

Auto

TriHold

Log

Shift

Esc

Rotary position for

U1232A and U1233A Input terminals Overload protection

600 Vrms

600 Vrms for

short circuit <0.3 A

11 A/1000 V,

fast-acting fuse

AUX

U1231A/U1232A/U1233A Handheld Multimeter

Understanding the Input Terminals

6 U1231A/U1232A/U1233A Quick Start Guide

Non-contact voltage detector (Vsense)

WARNING

Voltage could still be present even if there is no alert

indication. Do not rely on the Vsense detector with

shielded wire. Never touch live voltage or conductor

without the necessary insulation protection.

The Vsense detector may be affected by differences in

socket design, insulation thickness, and insulation type.

Voltage source

Shift

Esc

> 1 s

NOTE

Press to change the Vsense detector’s sensitivity from

Hi.SE (high sensitivity) to Lo.SE (low sensitivity).

Auto

Range

U1231A/U1232A/U1233A Handheld Multimeter

Performing Measurements

U1231A/U1232A/U1233A Quick Start Guide 7

Performing Measurements

AC voltage measurements

DC voltage measurement

Voltage source

U1231A/U1232A/U1233A Handheld Multimeter

Performing Measurements

8 U1231A/U1232A/U1233A Quick Start Guide

Resistance measurement

Continuity test

Resistor

Shift

Esc

(closed)

OFF

(open)

Press again to switch

between testing for shorted ( ) or

open ( ) contacts.

Shift

Esc

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