Agilent Technologies 34401A Manuale utente

Agilent 34401A Multimeter

Data Sheet

• Measure up to 1000 volts with 6½

digits resolution

• 0.0015% basic dcV accuracy

(24 hour)

• 0.06% basic acV accuracy (1 year)

• 3 Hz to 300 kHz ac bandwidth

• 1000 readings/s direct to GPIB

Superior Performance

The Agilent Technologies 34401A multime-

ter gives you the performance you need for

fast, accurate bench and system testing.

The 34401A provides a combination of res-

olution, accuracy and speed that rivals

DMMs costing many times more. 61/

2dig-

its of resolution, 0.0015% basic 24-hr dcV

accuracy and 1,000 readings/s direct to

GPIB assure you of results that are accu-

rate, fast, and repeatable.

Use It on Your Benchtop

The 34401A was designed with your bench

needs in mind. Functions commonly associ-

ated with bench operation, like continuity

and diode test, are built in. A Null feature

allows you to remove lead resistance and

other fixed offsets in your measurements.

Other capabilities like min/max/avg read-

outs and direct dB and dBm measurements

make checkout with the 34401A faster and

easier.

The 34401A gives you the ability to store

up to 512 readings in internal memory. For

trouble-shooting, a reading hold feature

lets you concentrate on placing your test

leads without having to constantly glance

at the display.

Use It for Systems Testing

For systems use, the 34401A gives you

faster bus throughput than any other DMM

in its class. The 34401A can send up to

1,000 readings/s directly across GPIB in

user-friendly ASCII format.

You also get both GPIB and RS-232 inter-

faces as standard features. Voltmeter

Complete and External Trigger signals are

provided so you can synchronize to other

instruments in your test system. In addition,

a TTL output indicates Pass/Fail results

when limit testing is used.

To ensure both forward and backward com-

patibility, the 34401A includes three com-

mand languages (SCPI, Agilent 3478A and

Fluke8840A/42A), so you don’t have to

rewrite your existing test software. An

optional rack mount kit is available.

Easy to Use

Commonly accessed attributes, such as

functions, ranges, and resolution are

selected with a single button press.

Advanced features are available using

menu functions that let you optimize the

34401A for your applications.

The included Agilent IntuiLink software

allows you to put your captured data to

work easily, using PC applications such as

Microsoft Excel or Word to analyze, inter-

pret, display, print, and document the data

you get from the 34401A. You can specify

the meter setup and take a single reading

or log data to the Excel spreadsheet in

specified time intervals. Program-mers can

use ActiveX components to control the

DMM using SCPI commands. To find out

more about IntuiLink, visit

www.agilent.com/find/intuilink

1-Year Warranty

With your 34401A, you get full documenta-

tion, a high-quality test lead set, calibration

certificate with test data, and a 1-year war-

ranty, all for one low price.

See Agilent's Truevolt Series of DMMs

• Display DMM results in ways you never have before

• Measure with unquestioned Truevolt confidence

• Move to the next generation 34401A DMM with 100% assurance

www.agilent.com/find/dmm

Accuracy Specifications ± (% of reading + % of range)1

Function Range3Frequency, 24 Hour290 Day 1 Year

Temperature Coefficient

etc. 23°C ±1°C 23°C ±5°C 23°C ±5°C 0°C – 18°C

28°C – 55°C

DC voltage 100.0000 mV 0.0030 + 0.0030 0.0040 + 0.0035 0.0050 + 0.0035 0.0005 + 0.0005

1.000000 V 0.0020 + 0.0006 0.0030 + 0.0007 0.0040 + 0.0007 0.0005 + 0.0001

10.00000 V 0.0015 + 0.0004 0.0020 + 0.0005 0.0035 + 0.0005 0.0005 + 0.0001

100.0000 V 0.0020 + 0.0006 0.0035 + 0.0006 0.0045 + 0.0006 0.0005 + 0.0001

1000.000 V 0.0020 + 0.0006 0.0035 + 0.0010 0.0045 + 0.0010 0.0005 + 0.0001

True rms 100.0000 mV 3 Hz – 5 Hz 1.00 + 0.03 1.00 + 0.04 1.00 + 0.04 0.100 + 0.004

AC voltage45 Hz – 10 Hz 0.35 + 0.03 0.35 + 0.04 0.35 + 0.04 0.035 + 0.004

10 Hz – 20 kHz 0.04 + 0.03 0.05 + 0.04 0.06 + 0.04 0.005 + 0.004

20 kHz – 50 kHz 0.10 + 0.05 0.11 + 0.05 0.12 + 0.05 0.011 + 0.005

50 kHz – 100 kHz 0.55 + 0.08 0.60 + 0.08 0.60 + 0.08 0.060 + 0.008

100 kHz – 300 kHz64.00 + 0.50 4.00 + 0.50 4.00 + 0.50 0.20 + 0.02

1.000000 V 3 Hz – 5 Hz 1.00 + 0.02 1.00 + 0.03 1.00 + 0.03 0.100 + 0.003

to 750.000 V 5 Hz –10 Hz 0.35 + 0.02 0.35 + 0.03 0.35 + 0.03 0.035 + 0.003

10 Hz – 20 kHz 0.04 + 0.02 0.05 + 0.03 0.06 + 0.03 0.005 + 0.003

20 kHz – 50 kHz 0.10 + 0.04 0.11 + 0.05 0.12 + 0.04 0.011 + 0.005

50 kHz – 100 kHz50.55 + 0.08 0.60 + 0.08 0.60 + 0.08 0.060 + 0.008

100 kHz – 300 kHz64.00 + 0.50 4.00 + 0.50 4.00 + 0.50 0.20 + 0.02

Resistance7100.0000 Ω 1 mA

Current Source

0.0030 + 0.0030 0.008 + 0.004 0.010 + 0.004 0.0006 + 0.0005

1.000000 kΩ 1 mA 0.0020 + 0.0005 0.008 + 0.001 0.010 + 0.001 0.0006 + 0.0001

10.00000 kΩ 100 µA 0.0020 + 0.0005 0.008 + 0.001 0.010 + 0.001 0.0006 + 0.0001

100.0000 kΩ 10 µA 0.0020 + 0.0005 0.008 + 0.001 0.010 + 0.001 0.0006 + 0.0001

1.000000 MΩ 5.0 µA 0.002 + 0.001 0.008 + 0.001 0.010 + 0.001 0.0010 + 0.0002

10.00000 MΩ 500 nA 0.015 + 0.001 0.020 + 0.001 0.040 + 0.001 0.0030 + 0.0004

100.0000 MΩ 500 nA || 10 MΩ 0.300 + 0.010 0.800 + 0.010 0.800 + 0.010 0.1500 + 0.0002

DC current 10.00000 mA < 0.1 V

Burden Voltage

0.005 + 0.010 0.030 + 0.020 0.050 + 0.020 0.0020 + 0.0020

100.0000 mA < 0.6 V 0.010 + 0.004 0.030 + 0.005 0.050 + 0.005 0.0020 + 0.0005

1.000000 A < 1.0 V 0.050 + 0.006 0.080 + 0.010 0.100 + 0.010 0.0050 + 0.0010

3.00000 A < 2.0 V 0.100 + 0.020 0.120 + 0.020 0.120 + 0.020 0.005 + 0.0020

True rms 1.000000 A 3 Hz – 5 Hz 1.00 + 0.04 1.00 + 0.04 1.00 + 0.04 0.100 + 0.006

AC current45 Hz – 10 Hz 0.30 + 0.04 0.30 + 0.04 0.30 + 0.04 0.035 + 0.006

10 Hz – 5 kHz 0.10 + 0.04 0.10 + 0.04 0.10 + 0.04 0.015 + 0.006

3.00000 A 3 Hz – 5 Hz 1.10 + 0.06 1.10 + 0.06 1.10 + 0.06 0.100 + 0.006

5 Hz – 10 Hz 0.35 + 0.06 0.35 + 0.06 0.35 + 0.06 0.035 + 0.006

10 Hz – 5 kHz 0.15 + 0.06 0.15 + 0.06 0.15 + 0.06 0.015 + 0.006

Frequency 100 mV to 3 Hz – 5 Hz 0.10 0.10 0.10 0.005

or period8750 V 5 Hz – 10 Hz 0.05 0.05 0.05 0.005

10 Hz – 40 Hz 0.03 0.03 0.03 0.001

40 Hz – 300 kHz 0.006 0.01 0.01 0.001

Continuity 1000.0 Ω 1 mA test current 0.002 + 0.030 0.008 + 0.030 0.010 + 0.030 0.001 + 0.002

Diode test91.0000 V 1 mA test current 0.002 + 0.010 0.008 + 0.020 0.010 + 0.020 0.001 + 0.002

1. Specifications are for 1 hr warm-up and 6½ digits, slow ac filter.

2. Relative to calibration standards.

3. 20% over range on all ranges except 1000 Vdc and 750 Vac ranges.

4. For sinewave input > 5% of range. For inputs from 1% to 5% of range

and < 50 kHz, add 0.1% of range additional error.

5. 750 V range limited to 100 kHz or 8 x 107Volt-Hz.

6. Typically 30% of reading error at 1 MHz.

7. Specifications are for 4-wire ohms function or 2-wire ohms using Math

Null. Without Math Null, add 0.2 Ω additional error in 2-wire ohms

function.

8. Input >100 mV. For 10 mV to 100 mV inputs multiply % of reading

error x10.

9. Accuracy specifications are for the voltage measured at the input termi-

nals only. 1 mA test current is typical. Variation in the current source will

create some variation in the voltage drop across a diode junction.

254.4 mm

103.6 mm

374.0 mm

212.6 mm 348.3 mm

88.5 mm

DC Voltage

Measurement Method:

Continuously integrating multi-slope III

A-D converter

A-D Linearity: 0.0002% of reading +

0.0001% of range

Input Resistance:

10 MΩ or 0.1 V, 1 V, 10 V ranges:

Selectable > 10,000 MΩ

100 V, 1000 V ranges: 10 MΩ ±1%

Input Bias Current: < 30 pA at 25°C

Input Protection: 1000 V all ranges

dcV:dcV ratio accuracy:

input Accuracy + Vrelevance Accuracy

True RMS AC Voltage

Measurement Method:

AC-coupled true rms-measures the ac

component of the input with up to 400

Vdc of bias on any range.

Crest Factor:

Maximum of 5:1 at full scale.

Additional Crest Factor errors

(non-sinewave):

Crest factor 1-2: 0.05% of reading

Crest factor 2-3: 0.15% of reading

Crest factor 3-4: 0.30% of reading

Crest factor 4-5: 0.40% of reading

Input Impedance:

1 MΩ ± 2% in parallel with 100 pF

Input Protection:

750 Vrms all ranges

Resistance

Measurement Method:

Selectable 4-wire or 2-wire Ohms.

Current source referenced to LO input.

Maximum Lead Resistance (4-wire):

10% of range per lead for 100 Ω, 1 kΩ

ranges.

1 kΩ per lead on all other ranges.

Input Protection: 1000 V all ranges

DC Current

Shunt Resistance:

5 Ω for 10 mA, 100 mA

0.1 Ω for 1 A, 3 A

Input Protection:

Externally accessible 3 A 250 V fuse

Internal 7 A 250 V fuse

True RMS AC Current

Measurement Method:

Directly coupled to the fuse and shunt.

ac coupled true rms measurement

(measures the ac component only).

Shunt Resistance:

0.1 Ω for 1 A and 3 A ranges

Input Protection:

Externally accessible 3 A 250 V fuse

Internal 7 A 250 V fuse

Frequency and Period

Measurement Method:

Reciprocal counting technique

Voltage Ranges:

Same as ac voltage function

Gate Time: 1 s, 100 ms, or 10 ms

Continuity/Diode

Response Time:

300 samples/s with audible tone

Continuity Threshold:

Selectable from 1 Ω to 1000 Ω

Measurement Noise Rejection 60 (50) Hz

dc CMRR: 140 dB

ac CMRR: 70 dB

Integration Time and

Normal Mode Rejection2

100 plc/1.67 s (2 s): 60 dB3

10 plc/167 ms (200 ms): 60 dB3

1 plc/16.7 ms (20 ms): 60 dB

<1 plc/3 ms or 800 µs): 0 dB

Operating Characteristics4

Function Digits Reading/s

dcV, dcl, and 6 ½

0.6 (0.5)

Resistance 6

6 (5)

60 (50)

300

1000

acV, acl 6 ½

0.15 slow (3 Hz)

1 medium (20 Hz)

10 fast (200 Hz)5

Frequency 6

or Period 5 ½

9.8

System Speeds

Configuration rates: 26/s to 50/s

Autorange rate (dc Volts): >30/s

ASCII readings to RS-232: 55/s

ASCII readings to RS-232: 1000/s

Maximum internal trig rate: 1000/s

Max. ext trig. rate to mem: 1000/s

Triggering and Memory

Reading HOLD Sensitivity:

10%, 1%, 0.1%, or 0.01% of range

Samples/Trigger: 1 to 50,000

Trigger Delay: 0 to 3600 s: 10 µs step

size

External Trigger Delay: < 1 ms

External Trigger Jitter: < 500 µs

Memory: 512 readings

Math Functions

NULL, min/max/average, dBm, dB, limit

test (with TTL output)

Standard Programming Languages

SCPI (IEEE-488.2), Agilent 3478A,

Fluke 8840A/42A

Accessories Included

Test lead kit with probe, alligator

and grabber attachments

Operating manual, service manual,

test report and power cord

General Specifications

Power Supply:

100 V/120 V/220 V/240 V ±10%

Power Line Frequency:

45 Hz to 66 Hz and 360 Hz to 440 Hz,

Automatically sensed at power-on

Power Consumption: 25 VA peak

(10 W average)

Operating Environment:

Full accuracy for 0°C to 55°C,

Full accuracy to 80% R.H. at 40°C

Storage Temperature: -40°C to 70°C

Weight: 3.6 kg (8.0 lbs)

Safety: Designed to CSA, UL-1244,

IEC-348

RFI and ESD: MIL-461C, FTZ 1046, FCC

Vibration & Shock: MIL-T-28800E, Type

III, Class 5 (sine only)

Warranty: 1 year

Measurement Characteristics

1. For 1 kΩ unbalanced in LO lead,

± 500 V peak maximum.

2. For power line frequency ± 0.1%.

3. For power line frequency ± 1% use 40 dB

or ± 3% use 30 dB.

4. Reading speeds for 60 Hz and (50 Hz)

operation.

5. Maximum useful limit with default settling

delays defeated.

6. Speeds are for 4½ digits, delay 0, auto-zero

and display OFF.

www.lxistandard.org

LAN eXtensions for Instruments puts

the power of Ethernet and the Web

inside your test systems. Agilent is a

founding member of the LXI consor-

tium.

Agilent Channel Partners

www.agilent.com/find/channelpartners

Get the best of both worlds: Agilent’s

measurement expertise and product

breadth, combined with channel

partner convenience.

www.agilent.com

www.agilent.com/find/34401A

Ordering Information

Agilent 34401A multimeter accessories

included: Test lead kit with probe, alliga-

tor, and grabber attachments, calibration

certificate, test report, and power cord.

Also includes CD with: IntuiLink software,

IVI and VXI PnP drivers, Quick start tuto-

rial, user's guide, command quick refer-

ence, service guide, and data sheet.

Options

34401A-A6J

ANSI Z540 compliant calibration

Accessories

Probes/Leads/Clip Accessories

11059A Kelvin probe set

11060A Surface mount device (SMD) test

probes

11062A Kelvin clip set

34133A Precision electronic test leads

34134A DC coupled current probe

34136A High voltage probe

34138A Test lead set

34171B Input terminal connector

(sold in pairs)

34172B Input calibration short

(sold in pairs)

34330A 30 A current shunt

E2308A 5 k thermistor probe

Y1133A Low-thermal external digital

multimeter scanning kit

Rack Mount Kits

34190A Rackmount kit: designed for use

with only one instrument, mounted on

either the left or the right side of the rack.

34191A 2U Dual flange kit: secures the

instrument to the front of the rack. This

kit can be used with the 34194A dual lock

link kit to mount two half-width, 2U height

instruments side-by side.

34194A Dual lock link kit: recommended

for side-by-side combinations and includes

links for instruments of different depths.

This kit can be used with the 34191A 2U

dual flange kit to mount two half-width, 2U

height instruments side-by-side.

Other Accessories

34131A Hard transit case

34161A Accessory pouch

34398A RS-232 cable, 9 pin (f) to 9 pin (f)

E5810A LAN/GPIB gateway

www.agilent.com/quality

www.agilent.com/find/AdvantageServices

Accurate measurements throughout the life of

your instruments.

Agilent Advantage Services

Three-Year Warranty

www.agilent.com/find/ThreeYearWarranty

Agilent’s combination of product reliability and

three-year warranty coverage is another way

we help you achieve your business goals:

increased confidence in uptime, reduced cost

of ownership and greater convenience.

For more information on Agilent

Technologies’ products, applications or

services, please contact your local Agilent

office. The complete list is available at:

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(BP-3-1-13)

Product specifications and descriptions

in this document subject to change

without notice.

Published in USA, June 17, 2013

5968-0162EN

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