Agilent Technologies 34405A Manual de usuario

Agilent Technologies

Agilent 34405A

5 ½Digit Multimeter

Quick Start Guide

English

34405A QSG.book Page 1 Thursday, March 22, 2012 4:53 PM

234405A Quick Start Guide

Safety Summary

Do not defeat power cord safety ground feature.

Plug in to a grounded (earthed) outlet. Do not use

product in any manner not specified by the

manufacturer.

Do not install substitute parts or perform any

unauthorized modification to the product. Return

the product to Agilent Technologies or a

designated repair center for service to ensure that

safety features are maintained.

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.

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.

Symbols

Earth Ground

Chassis Ground

Risk of electric shock

Refer to manual for additional safety

information.

CAT II (300 v) IEC Overvoltage Category II.

Inputs can be connected to mains (up to 300

VAC) under Category II overvoltage conditions.

WARNING

Main Power and Test Input Disconnect: Unplug

product from wall outlet, remove power cord, and

remove all probes from all terminals before

servicing. Only qualified, service-trained

personnel should remove the cover from the

instrument.

Line and Current Protection Fuses: For

continued protection against fire, replace the line

fuse and the current-protection fuse only with

fuses of the specified type and rating.

IEC Overvoltage Category II. The HI and LO

input terminals may be connected to mains under

IEC Category II overvoltage conditions for line

voltages up to 300 VAC. To avoid the danger of

electric shock, do not connect the inputs to mains

for line voltages above 300 VAC. Connect to

mains only at an outlet, or in a device connected

to such an outlet, on a branch circuit protected by

a circuit breaker. See "Safety Notices" in the

Agilent 34405A User's and Service Guide for

further information.

Protection Limits: To avoid instrument damage

and the risk of electric shock, do not exceed any

of the protection limits indicated on the terminal

panel and defined in the Agilent 34405A User's

and Service Guide.

ADDITIONAL SAFETY INFORMATION

For further information, refer to the "Safety

Notices" section in the Agilent 34405A User's and

Service Guide.

34405A QSG.book Page 2 Thursday, March 22, 2012 4:53 PM

34405A Quick Start Guide 3

The Display at a Glance

1Primary Measurements and CAL Annunciator

2Primary Measurement Function and Units

3Math and State Storage Annunciators

4Range and Shift Annunciators

5 System Annunciators

6 Secondary Display

7 Secondary Measurement

Function and Units

mVA DC AC

Mk Hz µnF

°C°F dBm

Remote Man Rng Hold L imit Nu ll Mn Mx

mVA DC AC

Mk Hz µnF

°C °F dBm

MaxMinAvgN Ref R Value

Store Recall HiLo Limit

Ran ge

CAL

Shift

5 6 7

1 2 3 4

The Front Panel at a Glance

12A

rms 1000VDC

500Vpk 1.2A

rms

1.25A/500V FH

CAT II (300V)

750VAC

Power

Local

Auto

Hold Utility

dBmdB

Digits Range

Cont

Nul lFreq

Temp Store

Recall

Disp

Shift

)

Agilent

34405A

5 Digit Multimeter

mV DC

ACIDCI

DCV ACV

Store

Recall

MnMx

Temp Limit

NullFreq

12A

Fused

2 3 5 6 7 8 94

Edit

6State Store/Recall, Utility and Edit Keys

7Shift (selects blue shifted keys) and

Local key

8Secondary Display Key

9Input Terminals and Current Fuse

1Display

2On/Off Switch

3Measurement Function and Resolution Keys

4Autorange and Manual Range

5Math Operations and Edit

Enter

mV DC

Range

34405A QSG.book Page 3 Thursday, March 22, 2012 4:53 PM

434405A Quick Start Guide

3. Connect the Test Leads to the Input Terminals

1. Connect the Power Cord

Line voltage switch and fuse are set at

factory for country of destination.

2. Adjust the Carrying Handle

Grasp the handle by the

sides and pull outward :

Then adjust the handle

to the desired position:

AC or DC Voltage, Capacitance, Continuity, Diode Test,

Frequency, Resistance, or Temperature Measurements

12A

rms 1000VDC

500Vpk 1.2A

rms

1.25A/500V FH

CAT II (300V)

750VAC

12A

Fused

12A

rms 1000VDC

500Vpk 1.2A

rms

1.25A/500V FH

CAT II (300V)

750VAC

12A

Fused

AC or DC

Current Up

to 1.2A rms

-12A

rms 1000VDC

500Vpk 1.2A

rms

1.25A/500V FH

CAT II (300 V)

750VAC

12A

Fused

AC or DC

Current Up

to 12A rms

34405A QSG.book Page 4 Thursday, March 22, 2012 4:53 PM

34405A Quick Start Guide 5

Press the Power (on/off) switch:

The front-panel display illuminates while the

multimeter performs its power-on self-test.

Following self-test, the multimeter defaults to

DC voltage measurements.* Typical display:

Measurements are shown in the primary

display (bottom left) and the measurement

range is shown in the secondary display (top

right).

*You can set the multimeter to return to the last

power-down state when power is applied. See the

34405A User's and Service Guide for details.

4. Turn On the Multimeter

mV DC

Range

Press one of these keys to select a

measurement function:

The continuity and diode test functions are

shifted (shown in blue). For example, to

select continuity, press:

Press to return to the DC voltage

function.

5. Select a Function

Cont

Freq

)

ACI

DCI

DCV ACV

Temp

Freq

DCV

Cont

)

Shift

For most measurement functions, you can let

the multimeter automatically select the range

using autorange or you can select a fixed

range using manual ranging. The ManRng

annunciator is displayed when manual

ranging.

Selects a higher range and disables

autoranging

Selects a lower range and disables

autoranging

To return to autoranging and disable manual

ranging, press:

6. Set the Range

Shift

Range

You can select either 4½ or 5½ digit

resolution for most measurement functions.

5½ digit readings have the best accuracy and

noise rejection. 4½ digit readings provide for

faster readings.

Selects 4½ digit mode

Selects 5½ digit mode

Note: The continuity and diode test functions

have a fixed, 4½ digit display. Capacitance

and temperature have a fixed, 3½ digit

display.

7. Set the Resolution

Digits4

Shift

Digits 5

Temp

Shift

34405A QSG.book Page 5 Thursday, March 22, 2012 4:53 PM

634405A Quick Start Guide

Primary and Secondary Display Functions

Primary Display

DCV

DCI

Resistance

Default Secondary

Display Press Once Press Twice

Secondary Display

DCV Range ACV Off

DCI Range ACI Off

Resistance Range Off Resistance Range

ACV

ACI

Frequency

ACV Range Frequency Off

ACI Range Frequency Off

AC Voltage Range ACV Off

Capacitance Capacitance Range Off Capacitance Range

Diode Test Off Off Off

Continuity Off Off Off

Temperature Off Off Off

Disp Disp

8. Using the Secondary Display

When making measurements, the secondary display allows you to show the measurement

range (for most measurement functions) or to select a predefined secondary

measurement function. You may have already noticed the secondary display showing

Auto for autorange when changing measurement functions:

As another example, a typical primary display showing ACV and a secondary display

showing the measured frequency of the input signal is:

The secondary display is based on the selected primary measurement function and how

many times you press:

The table below shows the secondary display capabilities for all measurement functions.

Disp

mV DC

V AC

34405A QSG.book Page 6 Thursday, March 22, 2012 4:53 PM

34405A Quick Start Guide 7

9. Using the Math Functions

The 34405A has these math functions: Null, dBm, dB, Min/Max, Limit and Hold. As an

example, Null is commonly used to eliminate the effects of test leads from

measurements. Connect the test leads together and to the HI and LO input terminals.

Select resistance measurements by pressing:

The display should be showing the measured test lead resistance. Typical display:

To select the math Null function, press:

The Null value is measured and subtracted from all resistance readings in the primary

measurement display. The Null value is shown in the secondary display and the Null and

Ref Value annunciators are on. Typical display:

Pressing the same math key again turns the math function off.

Null

Ref Value

Range

34405A QSG.book Page 7 Thursday, March 22, 2012 4:53 PM

834405A Quick Start Guide

11. Where to go Next

The Agilent 34405A User's and Service Guide contains more detailed information on the

front panel, math functions and the utility menu (allows you to customize instrument

settings). It also contains product specifications, rack mounting instructions, a calibration

procedure and replaceable parts.

For information on SCPI programming, see the Agilent 34405A Programmer's Reference

Online Help.

Product Reference CD-ROM. All product documentation, software, and

examples are included on the Agilent 34405A Product Reference CD-ROM.

10. Editing Values in the Secondary Display

Edit

Limit

Disp

Store

Recall

Edit

You can edit the values used for the Null, Limit, dB or dBm math function.

Selecting the Value to Edit:

With the math function enabled, press until the Ref Value, Ref R Value, Hi Limit

or Lo Limit you want to edit is displayed in the secondary display.

To select the editing mode, press:

The secondary display will briefly show Edit to indicate you are in editing mode.

Editing Values:

Use these keys to position the cursor on a digit:

Moves cursor to the left Moves cursor to the right

When the cursor is positioned on a digit, use these keys to edit the value:

Increments digit Decrements digit

When done editing, save the new value by pressing:

Edit

Limit

Disp

34405A QSG.book Page 8 Thursday, March 22, 2012 4:53 PM

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