Agilent Technologies U1401A Bedienungsanleitung

U1401A Quick Start Guide

Agilent U1401A Handheld

Multi-Function Calibrator/Meter

Quick Start Guide

The following items are included with your instrument:

✔Carrying case and protective holster

✔Rechargeable battery pack (1.2 V NiMH AA ×8)

✔Power cord and AC power adapter

✔Silicone test leads, alligator clips, and a yellow test lead for mA

simulation

✔Certificate of calibration

✔Printed Quick Start Guide

If anything is missing or damaged, please contact the nearest Agilent

Sales Office.

NOTE

Your multimeter is capable of remote data logging. To use this feature, you will need an IR-USB

cable (U5481A, purchased separately) and the Agilent GUI Data Logger Software (downloadable

from www.agilent.com/find/hhTechLib).

WARNING

Ensure that the terminal connections are correct for that particular measurement

selection before starting any measurement. To avoid damage to the device, do not

exceed the rated input limit.

CAUTION

Degradation of some product specifications can occur in the presence of ambient

electromagnetic (EM) fields and noise that are coupled to the powerline or I/O cables

of the instrument. The instrument will self-recover and operate to all specifications

when the source of ambient EM field and noise are removed or when the instrument

is protected from the ambient EM field or when the instrument cabling is shielded

from the ambient EM noise.

Agilent Technologies

U1401A QSG.fm Page 1 Tuesday, May 15, 2012 11:10 AM

U1401A Quick Start Guide

Performing Voltage Measurements

Performing Current Measurements

Percentage scale of DC mA measurement

With the rotary switch at mA, another option selectable with the key is the

percentage scale of DC mA measurement.

Frequency measurement

During AC/DC voltage or AC/DC current measurement, you can measure the signal frequency

by pressing at any time.

Measuring AC voltage

1Set the rotary switch to V

or mV. Press to select .

2Connect the red (+) and black

(–) test leads to the INPUT

terminals.

3Probe the test points and read

the display.

4Press to display dual

measurements.

Measuring DC voltage

1Set the rotary switch to V

or mV. Press to select .

2Connect the red (+) and black

(–) test leads to the INPUT

terminals.

3Probe the test points and read

the display.

4Press to display dual

measurements.

Measuring AC current

1Set the rotary switch to

mA. Press to select

2Connect the red (+) and black

(–) test leads to the INPUT

terminals.

3Probe the test points in series

with the circuit and read the

display.

Measuring DC current

1Set the rotary switch to

mA. Press to select

2Connect the red (+) and black

(–) test leads to the INPUT

terminals.

3Probe the test points in series

with the circuit and read the

display.

U1401A QSG.fm Page 2 Tuesday, May 15, 2012 11:10 AM

U1401A Quick Start Guide

Performing Resistance Measurement and Continuity Test

Performing Temperature Measurements

CAUTION

Disconnect circuit power and discharge all high-voltage capacitors before measuring

resistance to prevent possible damage to the instrument or the device under test.

WARNING

• Before measuring the temperature of a circuit or device, disconnect its power.

• The bead type thermocouple probe is suitable for measuring temperature from

–40 °C to 204 °C in PTFE compatible environments. The probes may emit toxic

gas above this temperature range.

1Set the rotary switch to .

2Connect the red (+) and black

(–) test leads to the INPUT

terminals.

3Probe the resistor (or shunt)

leads and read the display.

4To perform continuity test,

press to toggle the

audible continuity function on

or off.

For continuity test, the instrument will

beep if the resistance is less than the

values indicated below:

Measurement range

Resistance

threshold

500.00 Ω10 Ω

5.0000 kΩ100 Ω

50.000 kΩ1 kΩ

500.00 kΩ10 kΩ

5.0000 MΩ100 kΩ

50.000 MΩ1 MΩ

1Set the slide switch to the M

position to disable the output.

2Set the rotary switch to mV.

3Press and hold for more

than 1 second.

4Plug the thermocouple probe

(with adapter) into the INPUT

terminals.

5Touch the surface to be

measured with the

thermocouple probe and read

the display.

Best practices:

•Do not bend the thermocouple

leads at sharp angles.

Repeated bending may break

the leads.

•Do not immerse the

thermocouple probe in any

liquid.

•Clean the surface to be

measured and make sure that

the probe is securely touching

the surface.

U1401A QSG.fm Page 3 Tuesday, May 15, 2012 11:10 AM

U1401A Quick Start Guide

Constant Voltage and Current Outputs

Autoscan and autoramp outputs

The voltage and current outputs can also be generated in predefined steps or ramp. Refer to

the User's and Service Guide for the detailed procedures.

Square Wave Output

NOTE

The U1401A can generate and measure signals simultaneously. While the mode is

enabled, pressing disables the U1401A output by placing it in the standby

mode ( ). Pressing OUTPUT again toggles the output on ( ).

Constant voltage output

1Set the rotary switch to any

one of the positions.

2Press . The

annunciator appears.

3Press to cycle through

±1.5 V, ±15 V, ±1.5 V,

±15 V, ±1.5 V, and

±15 V output modes.

4Select ±1.5 V or ±15 V.

5Press to output the

signal.

Constant current output

1Set the rotary switch to any

one of the positions.

2Press . The

annunciator appears.

3Press to cycle through

±25 mA, ±25 mA, and

±25 mA output modes.

4Select ±25 mA.

5Press to output the

signal.

1Set the rotary switch to .

2Press . The

annunciator appears.

3Press to cycle through

the adjustment modes for

frequency ( ), duty cycle

( ), pulse width ( ), and

amplitude ( ). Select a

parameter to adjust.

4Press or to adjust the

parameter value.

5Press to output the

square wave signal.

U1401A QSG.fm Page 4 Tuesday, May 15, 2012 11:10 AM

U1401A Quick Start Guide

Other Functions and Features

Input/Output Terminals and Overload Protection

The output terminals are protected with DC 30 V overload protection. The overload

protection limits of the input terminals are shown in the table below.

Action Procedure

Selects AC, DC, or AC+DC measurement Press

Toggles peak hold mode on and off Press and hold for > 1 s

Freezes the measured value With data hold mode enabled, press . Press and hold

for > 1 s to exit.

Enters or exits the refresh hold mode With refresh hold mode enabled, press

Enters or exits the dynamic recording mode Press and hold for > 1 s

Offsets the measured value Press

Selects the measurement range Press

Turns on autorange Press and hold for > 1 s

Turns on dual display Press

Turns on the frequency measurement function Press

Enables the shifted functions of the keypad Press

Toggles the backlight on or off Press and hold for > 1 s

Selects output mode and range for voltage and current output With rotary switch at or , and with mode

enabled, press

Selects parameter adjustments for square wave output With rotary switch at , and with mode

enabled, press

Selects a digit or the polarity to be adjusted With mode enabled, press or

Adjusts a digit or the polarity With mode enabled, press or

Toggles the output state on and off With mode enabled, press

Functions Overload protection

AC/DC voltage measurement 250 Vrms

Resistance measurement and continuity test

Temperature measurement

AC/DC current measurement 250 V/630 mA, fast-acting fuse

U1401A QSG.fm Page 5 Tuesday, May 15, 2012 11:10 AM

U1401A Quick Start Guide

Charging the battery

A new rechargeable battery comes in a discharged condition and must

be charged before use (refer to the U1401A User's and Service Guide

for charging instructions). Upon initial use (or after a prolonged

storage period) the rechargeable battery may require three to four

charge/discharge cycles before achieving maximum capacity. To

discharge, simply run the multimeter using the rechargeable battery’s

power until it shuts down or until the low battery warning appears.

In some instances, the multimeter may indicate that the charging is

complete after ten minutes or so when charging a new rechargeable

battery. This is a normal phenomenon with rechargeable batteries.

Remove the rechargeable battery from the device, re- insert it and

repeat the charging procedure.

U1401A QSG.fm Page 6 Tuesday, May 15, 2012 11:10 AM

Tilt Stand

Safety Information

The instrument can be raised to a standing position by means

of a tilt stand.

This instrument is safety and EMC certified in

compliance with:

• IEC 61010-1:2001/EN61010-1:2001 (2nd Edition)

• Canada: CAN/CSA-C22.2 No. 61010-1-04

• USA: ANSI/UL 61010-1:2004

• IEC61326-2-1:2005/EN61326-2-1:2006

• Canada: ICES-001:2004

• Australia/New Zealand: AS/NZS CISPR11:2004

Measurement Category II 150 V, Pollution Degree 2.

Use with standard or compatible test probes.

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.

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

CAT II

150 V Category II 150 V overvoltage protection

Double insulation

Earth ground

Caution, risk of danger

Caution, risk of electric shock

For further safety information details, refer to the U1401A Handheld Multi- Function

Calibrator/Meter User’s and Service Guide.

U1401A QSG.fm Page 7 Tuesday, May 15, 2012 11:10 AM

Agilent Technologies

Second Edition, May 4, 2012

U1401-90011

Printed in Malaysia

U1401A QSG.fm Page 8 Tuesday, May 15, 2012 11:10 AM

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