Keysight U1211A Manuale utente

Keysight U1211A,

U1212A, and U1213A

Clamp Meter

Quick Start

Guide

Contacting Keysight

www.keysight.com/find/assist

(worldwide contact information for

repair and service)

Safety and EMC Information

The U1211A, U1212A, and U1213A

is safety-certified in compliance

with EN/IEC 61010-1, ANSI/UL

61010-1, and CAN/CSA-C22.2

No.61010-1-04.

EMC is designed in compliance

with IEC61326-1/EN61326-1,

CISPR 11/EN 55011 Group 1 class

A, ICES-001, AS/NZS CISPR11.

Safety Notices

CAUTION

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.

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 proceed beyond a

WARNING notice until the

indicated conditions are fully

understood and met.

Safety symbols

Direct current (DC)

Alternating current (AC)

Earth (ground) terminal

Application around and

removal from HAZARDOUS

LIVE conductors is

permitted

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

CAT III

1000 V

CAT IV

600 V

2 Keysight U1211A, U1212A, and U1213A Quick Start Guide

For further safety information details, refer to the

Keysight U1211A, U1212A, and U1213A Clamp Meter User’s Guide.

Keysight U1211A, U1212A, and U1213A Quick Start Guide 3

Table of Contents

Knowing Your Clamp Meter . . . . . . . . . . . . . . . 6

Functions and Features . . . . . . . . . . . . . . . . . . . 7

Rotary switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7

Function buttons . . . . . . . . . . . . . . . . . . . . . . . . . . . .7

Annunciator Display . . . . . . . . . . . . . . . . . . . . . 9

Input Terminals . . . . . . . . . . . . . . . . . . . . . . . . 11

Performing Current Measurement . . . . . . . . . 13

Performing Voltage Measurement . . . . . . . . . 16

Performing Resistance Measurement and

Continuity Test . . . . . . . . . . . . . . . . . . . . . . . 18

Performing Diode Measurement . . . . . . . . . . . 20

Performing Capacitance Measurement . . . . . 22

Performing Temperature Measurement . . . . . 24

Replacing the Battery . . . . . . . . . . . . . . . . . . . 26

Regulatory Markings . . . . . . . . . . . . . . . . . . . . 28

4 Keysight U1211A, U1212A, and U1213A Quick Start Guide

THIS PAGE HAS BEEN INTENTIONALLY LEFT BLANK.

Keysight U1211A, U1212A, and U1213A Quick Start Guide 5

The following items are included with your clamp

meter:

4Standard test leads with 4 mm probes

4Soft carrying case

4Quick Start Guide

4Certificate of Calibration

If any item is missing or damaged, contact your

nearest Keysight Sales Office.

For more detailed information, please refer to the

Keysight U1211A, U1212A, and U1213A Clamp

Meter User’s and Service Guide on Keysight

Website: www.keysight.com/find/handheld-tools

U1211A U1212A U1213A

6 Keysight U1211A, U1212A, and U1213A Quick Start Guide

Knowing Your Clamp Meter

Clamp jaw

Handle

Hand guard

Annunciator

Jaw

markings

Rotary

switch

Function

buttons

Hold/

Max Min

button

Red input

terminal

Black input

terminal

Front

panel

Keysight U1211A, U1212A, and U1213A Quick Start Guide 7

Functions and Features

Rotary switch

Function buttons

Measurements

and power off

functions

Actions Steps

Freeze measured value Press Hold/Max Min

– Record maximum, minimum, and

calculate true average

– Toggle between maximum, average,

and minimum

–PressHold/Max Min > 1 second

–PressHold/Max Min again

Toggle measurement type Press Shift/Peak

Toggle peak hold test Press Shift/Peak > 1 second

Enable frequency or duty cycle[a] on

secondary display

Press Hz/

8 Keysight U1211A, U1212A, and U1213A Quick Start Guide

[a] Duty cycle % function is only available for U1213A.

Turn on backlight Press Hz/ > 1 second

Offset measured value Press ΔNull

Change measuring range manually Press Range/Auto

Turn on auto range Press Range/Auto > 1 second

Actions Steps

Keysight U1211A, U1212A, and U1213A Quick Start Guide 9

Annunciator Display

No. Annunciator Status

1 AUTO Indicates auto ranging

2Zeroingmode

3 DH Data hold

4 MAX AVG MIN Dynamic recording mode on present reading.

MAX: maximum reading, MIN: minimum reading,

AVG: average reading

5 Direct current or voltage

6 Alternating current or voltage

7 Capacitor measurement unit

8 Audible continuity indicator

9 A Current measurement unit

10 Low battery indicator when battery voltage drops

below 6.0 V

11 V Voltage measurement unit

10 Keysight U1211A, U1212A, and U1213A Quick Start Guide

12 M k ΩResistance measurement unit and range

13 Diode measurement indicator

14 % Duty cycle (for U1213A only)

15 kHz Frequency measurement unit

16 Secondary display (for frequency and duty cycle

measurement and temperature unit)

17 Analog bar-graph with scale indicator

18 Auto power off enabled

19 Negative polarity

20 Primary display

No. Annunciator Status

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