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.

ENGLISH

Keysight U1211A, U1212A, and U1213A Quick Start Guide 3

ENGLISH

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

4 Keysight U1211A, U1212A, and U1213A Quick Start Guide

ENGLISH

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 5

ENGLISH

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/

Turn on backlight Press Hz/ > 1 second

Offset measured value Press ΔNull

6 Keysight U1211A, U1212A, and U1213A Quick Start Guide

ENGLISH

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

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 7

ENGLISH

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

12 M k ΩResistance measurement unit and range

13 Diode measurement indicator

14 % Duty cycle (for U1213A only)

8 Keysight U1211A, U1212A, and U1213A Quick Start Guide

ENGLISH

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

Keysight U1211A, U1212A, and U1213A Quick Start Guide 9

ENGLISH

Input Terminals

[a] DC current measurement is only available for U1212A and U1213A.

[b] Temperature function is only available for U1212A and U1213A.

WARNING

Ensure the terminal connections are correct for a

particular measurement before making any

measurement. To avoid damage to the device, do not

exceed the input limit.

Measurement

functions

Input terminals Input limits

AC current Clamp jaw 1000 Arms

DC current[a]

AC voltage VCOM

CAT III 1000 Vrms

CAT IV 600 VrmsDC voltage

Resistance

COM

1000 Vrms for

short circuit <

0.3 A

Capacitance

Diode

Temperature[b]

Common terminal for

all measurements

Voltage, resistance, diode,

capacitance, and

temperature[b] measurements

10 Keysight U1211A, U1212A, and U1213A Quick Start Guide

ENGLISH

Performing Current Measurement

1Set the rotary switch to ~A.

2Press Shift to switch between AC current, DC

current (for U1212A and U1213A only), and

AC+DC current (for U1213A only)

measurements.

3Press the handle to open the clamp jaw.

4Clamp around a conductor and ensure that

the conductor fits the markings on the jaw.

5Read the display. Press Hz to view the

frequency indication on the secondary

display.

WARNING

Ensure the test leads are disconnected from the input

terminals when measuring current with the clamp

meter.

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