Keysight U1731C User manual

Keysight

U1731C/U1732C/U1733C

Handheld LCR Meter

Quick Start Guide

Verify that you received the following items in the shipment of

your LCR meter:

✔One pair of alligator clip test leads

✔One 9 V alkaline battery

✔Printed copy of the U1731C/U1732C/U1733C

Quick Start Guide

✔Printed copy of the Certificate of Calibration

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

U1731C, U1732C, and U1733C handheld LCR meters.

The model U1733C appears in all illustrations.

All related documents and software are available for download

at www.keysight.com/find/hhTechLib.

Quick Start Guide

Keysight

U1731C/U1732C/U1733C

Handheld LCR Meter

U1731C/U1732C/U1733C Handheld LCR Meter

Install the Batteries

2 U1731C/U1732C/U1733C Quick Start Guide

Install the Batteries

Your LCR meter is powered by a single 9 V alkaline battery

(included with the shipment).

1Turn the LCR meter OFF and remove

the test leads from the terminals.

2Lift the tilt stand and loosen the

screw with a suitable Phillips

screwdriver.

3Remove the battery cover and

observe the polarity markings.

4Insert the battery and replace the

battery cover and screw.

Turn On the LCR Meter

To power ON your LCR meter, press the power-on button once.

Power-on button

WARNING

To avoid damage to the device, do not exceed the input

limit. Do not apply voltage to the input terminals.

Discharge the capacitor before testing.

NOTE

Your LCR meter is capable of remote data logging. To use this

feature, you will need an IR-USB cable (U5481A, purchased

separately) and the Keysight GUI Data Logger Software (down-

loadable from www.keysight.com/find/hhTechLib).

U1731C/U1732C/U1733C Handheld LCR Meter

The LCR Meter at a Glance

U1731C/U1732C/U1733C Quick Start Guide 3

The LCR Meter at a Glance

Display screen

Keypad

Input terminals/socket

IR communication port

Battery cover

Tilt stand

External power

(Lift the tilt stand for access)

adapter input jack

(+12 VDC)

NOTE

The external AC to DC power adapter input jack requires an

input voltage of +12 VDC.

U1731C/U1732C/U1733C Handheld LCR Meter

Understanding the Keypad

4 U1731C/U1732C/U1733C Quick Start Guide

Understanding the Keypad

Legend Key response when pressed for:

Less than 1 second More than 1 second

Turns the LCR meter on or off -

Starts or stops the auto identi-

fication mode

Enables or disables the ESR

(equivalent series resistance)

mode[1]

Holds or releases the present

reading on the display

Starts or stops the static

recording mode

Switches between dissipation

factor (D), quality factor (Q),

and phase angle (θ) measure-

ment

Enables or disables the limit

comparison mode

Selects a test frequency

Enables or disables the DCR

(direct current resistance)

mode[2]

Disables autoranging and sets

a manual range Enables autoranging

Switches between impedance

(Z), inductance (L), capacitance

(C), and resistance (R) mea-

surement

Toggles between parallel and

series circuit mode

Enables the tolerance mode

Turns the backlight display on

or off[3] or disables the toler-

ance mode (if tolerance is

enabled)

Sets the null/relative mode

Enters the open/short calibra-

tion mode for selected range

and test frequency

[1] Autoranging only. ESR mode exits to capacitance (C) measurement by default.

[2] Applicable for U1733C model only. DCR mode exits to inductance (L) measure-

ment by default.

[3] Applicable for U1732C and U1733C models only.

ESR

Rec

Hold

Save

Limit

DQO

DCR

Freq.

Auto

Range

P S

ZLCR

Tol%

Cal

Null

U1731C/U1732C/U1733C Handheld LCR Meter

Performing LCR Measurements

U1731C/U1732C/U1733C Quick Start Guide 5

Performing LCR Measurements

Auto Identification (Ai)

Press the button to automatically identify and select an

appropriate primary measurement function (L, C, or R), second-

ary measurement function (D, Q, or θ), and measurement mode

(parallel or series) for the device-under-test.

LCR measurement steps

NOTE

The LCR meter powers up in the Ai mode by default. is

shown on the left of the display screen when the Ai mode is

enabled.

•flashes when the LCR meter is identifying a measure-

ment function and mode.

•Press again while is shown to exit the Ai mode.

Inductor

Surface Mount

Device(SMD)

U1782B

SMD Tweezers

P S

ZLCR

Freq .

U1731C/U1732C/U1733C Handheld LCR Meter

Performing LCR Measurements

6 U1731C/U1732C/U1733C Quick Start Guide

Secondary (D/Q/θ) measurements

Inductance (L) measurements

Capacitance (C) measurements

Resistance (R) measurements

Inductor

Capacitor

Resistor

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 the following safety and EMC require-

ments:

• IEC61010-1:2001/EN61010-1:2001

(Second Edition)

• IEC 61326-1:2005/ EN 61326-1:2006

• Canada: ICES/NMB-001:Issue 4, June

2006

• Australia/New Zealand: AS/NZS

CISPR11:2004

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)

For further safety information details, refer to the

Keysight U1731C/U1732C/U1733C Handheld LCR Meter User’s Guide.

This information is subject to change without notice.

Edition 4, August 2014

*U1731-90070*

U1731-90070

www.keysight.com

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