Atec Agilent-34461A User Manual

Download

Discover the next generation of bench/system DMMs from Agilent

DISPLAY

DMM results in ways

you never have before

MEASURE

with unquestioned

Truevolt conﬁ dence

MOVE

to the next generation 34401A

DMM with 100% assurance

SERIES

Digital Multimeters

►

Agilent 34461A

a direct replacement for the 34401A 6½ digit DMM

►

Agilent 34460A

a basic entry point into the 6½ digit class of Agilent DMMs

Display DMM results in ways you never have before

Easily display, save and document your measurement results

Easily set up and see your results and get actionable information faster

• See your results clearly on a bright, 4.3-inch (109 mm), high-resolution, color graphical display. Get answers faster using the intuitive, menu-driven interface. If you have questions about a key or functionality, press and hold the key to display built-in help on the subject.

• Customize display operation to meet your needs. Conﬁ gure your preferences and pull them up automatically at the next instrument start-up.

• Add customized labels to describe the instrument’s measurement your way.

• Get quick insight with graphical views of your measurement results: View readings, long-term trends (34461A only) and measurement histograms for a statistical view.

The bright, 4.3” high-resolution monitor is a prominent feature of Agilent’s new Truevolt multimeter family.

Number mode provides the traditional “digits” view of measurements.

Bar meter mode provides the number display along with an analog meter to provide a visual view of your measurements.

Histogram mode gives you a statistical view of your measurements.

Truevolt

DISPLAY

Display DMM results in ways you never have before

Save and document your DMM’s data to your PC or mobile device using your preferred I/O:

• Control, capture and view your DMM’s data on your PC with a single click using the Digital Multimeter Connectivity Utility via USB, GPIB, LAN, or RS-232 (for older generation Agilent DMMs).

• Easily access the ﬁ les on your DMM using drag-and-drop to transfer ﬁ les via USB – no software required.

• Choose the I/O that works best for you: USB, LAN/LXI Core (optional on 34460A), GPIB (optional on 34460A & 34461A).

• Easily access the front-panel USB memory connector.

Test result screens allow you to show measurement statistics on the display.

The free DMM connectivity utility helps you get your job done faster

Capture and export data to your PC with drag and drop ease

Capture a digitized record, log measurements for longer periods under PC control or upload data captured directly from the instrument. Export data from a single DMM, or multiple DMMs with time alignment, to popular tools such as Microsoft Excel, Microsoft Word and MATLAB. Simplify test documentation and data analysis without the hassles of programming.

Visualize multiple DMM outputs at once

Display single measurements, charts, or histograms from a single instrument or up to four DMMs simultaneously. See what’s happening on your bench, all on one display—to spot correlated trends you might otherwise miss.

Trend chart mode (34461A only) displays your measurements over time.

Simplify instrument conﬁ guration

Instrument controls provide easy measurement setup and instrument state management. Reduce set-up times and quickly reconﬁ gure for new tests.

Speed up instrument discovery and connection for a broad range of Agilent DMMs

With one-click access to Agilent IO Libraries Suite, connect to DMMs via USB, GPIB, LAN or RS-232. Spend your valuable time testing your designs rather than setting up, connecting, and troubleshooting software.

Access and control tests on your DMM remotely on your mobile device

With a companion app available, DMM Mobile Utility, as a free download from the Apple App Store, view and control your LAN-enabled instrument wherever you go and receive email alerts when problems occur. Remotely remedy problems on long running tests to minimize project delays.

Download the DMM connectivity utility:

www.agilent.com/ﬁ nd/DMMutilitysoftware

Measure with unquestioned Truevolt conﬁ dence

Worry about the quality of your design, not the quality of your measurements

In a rack or on a bench real-world signals are never ﬂ at. They have some level of AC signal riding on top from power line noise, other environmental noise, or injected current from the meter itself. How well your meter deals with these extraneous factors and eliminates them from the true measurement makes a big difference to your accuracy. Behind the scenes, Agilent’s Truevolt technology accounts for measurement errors created by these real-world factors so you can be conﬁ dent in your measurements and it is only available on Agilent DMMs.

Truevolt technology starts with an analog-to-digital converter that enables a patented metrology-grade architecture. Using this architecture, Agilent delivers a good balance of measurement resolution, linearity, accuracy, and speed at a value price, all derived and guaranteed per ISO/IEC 17025 industry standards.

Truevolt

MEASUREMENT

Measure with unquestioned Truevolt conﬁ dence

Peak value

RMS value

AC measurement

accuracy is

degraded when

signals have energy

contained in higher

frequencies than a

typical sine wave.

Crest factor: the ratio of the

peak value to the RMS value

of a waveform

Truevolt

403020

Brand A

Brand B

Brand C

Input

bias

current

too

noisy

measure

Truevolt

800

700

600

500

400

300

200

100

Brand A

Brand B

Brand C

What Truevolt technology means to you:

You can measure your real-world signals, not instrument error

Noise and injected current: Agilent Truevolt DMMs contribute less than

30% of the injected current than alternatives. Compared to some lower cost alternatives, Truevolt DMMs offer almost 100% less noise.

Input bias current: Ideally, no current ﬂ ows into the measurement terminals of your DMM. In real measurement situations, there are always input currents creating additional measurement errors. Truevolt DMMs take care of input bias current. Some alternative DMMs offer 20% to inﬁ nitely poorer performance (some are too noisy to measure).

You can measure your real-world signals with conﬁ dence

All Truevolt DMM speciﬁ cations are tested and guaranteed for compliance with ISO/IEC 17025 standards so you can prove the effectiveness of your lab or production line’s quality management system.

of your

Many lower-cost DMMs in this class do not carry a guarantee

Many

of their measurement speciﬁ cations.

You can take advantage of expanded measurement functionality

Compared to the 34401A DMM, Truevolt DMMs offer expanded current ranges from 100 µA to 10 A. We have also added a temperature measurement function (RTD/PT100, 5 kΩ thermistor). Additionally, diode measurement capability has been expanded to allow a larger full-scale voltage to be measured (5 V) to enable the measurement of more diode types such as LEDs.

Digital AC rms measurements: For meters in this class, only Agilent uses digital direct sampling techniques to make AC rms measurements. This results in a true rms calculation technique that avoids the slower response of analog RMS converters used in all other vendor’s 6½ digit DMMs. This allows for crest factors up to 10 without additional error terms. This is a unique, patented technique – only used by Agilent.

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

Migrate with conﬁ dence: Everything you depend on with the 34401A and more

Like most 34401A DMM owners, you rely on your DMM and you trust the answers it gives you. Now, with the Agilent Truevolt 34461A DMM, you can get all of the advantages of the 34401A and more. Now you can get faster answers and have even more conﬁ dence in your results.

The best news of all? You can migrate from the 34401A to the 34461A without a hassle. No need to rewrite your software programs or spend hours learning a brand-new, complicated interface.

Use your existing programs: The 34461A DMM is the industry’s only 100% drop-in, SCPIcompatible replacement for the 34401A DMM. Other DMMs may claim 34401A SCPI compatibility, but only a subset of SCPI commands are implemented.

No long learning curve: The Truevolt DMMs were designed by the same team that created the 34401A. The team kept 34401A measurements, reliability and familiarity in mind as they created the Truevolt family of DMMs. So you can use it without spending hours learning how.

MIGRATION Q&A QUESTION ANSWER

Program compatibility

Measurements Will I have the same performance so it

Cost Will it cost the same to buy, use,

Reliability My 34401A never breaks. Are the

Use Will we be able to use it easily? Quickly?

Will my existing programs still work if I switch to the 34461A?

doesn’t affect the results on my line?

maintain, and repair?

Truevolt DMMs going to be as good?

YES

YES (and potentially less since

the DMMs now include a 3-year standard warranty)

YES That’s why we can offer

a 3-year standard warranty

YES

The 34461A represents everything you have known and trusted with your Agilent DMM measurements for decades – it just keeps getting stronger.

34461A: The industry’s only 100% drop-in, SCPI-compatible replacement for the 34401A DMM

Truevolt

MIGRATION

Move to the next-generation

34401A DMM with 100% assurance

WHICH MODEL IS RIGHT FOR YOU? 34460A 34461A 34401A

Resolution 6½ digits 6½ digits 6½ digits

Input terminals Front Front and rear Front and rear

1-year DCV accuracy ±(% of reading + % of range)

Measurement speed – 4½ digits 300 readings/s 1000 readings/s 1000 readings/s

Measurements

DCV, ACV, resistance, frequency, period, continuity

Diode 5 V 5 V 1 V

Current 100 µA – 3 A 100 µA – 10 A 10 mA – 3 A

Temperature RTD/PT100, thermistor RTD/PT100, thermistor N/A

Internal memory 1,000 readings 10,000 readings 512 readings

Graphical display Number, histogram, bar meter Number, histogram, bar meter, trend Number

I/O connectivity USB (LAN, GPIB optional) USB, LAN (GPIB optional) GPIB, RS-232

OPTIONS 34460A 34461A 34401A

3446ACCU: Accessory kit for 34460A

Documentation CDs, test leads, USB cable

3446GPBU

GPIB user installable interface module

0.0075 + 0.0005 0.0035 + 0.0005 0.0035 + 0.0005

Same as 34401A baseline Same as 34401A baseline 34401A baseline

OPTIONAL INCLUDED STANDARD INCLUDED STANDARD

OPTIONAL OPTIONAL INCLUDED STANDARD

3446LANU

Enable rear panel LAN/LXI web interface, external triggering for 34460A

3446SECU

Enable NISPOM and ﬁ le security

OPTIONAL INCLUDED STANDARD N/A

OPTIONAL OPTIONAL N/A

SPECIFICATIONS

34460A

34460A accuracy speciﬁ cations: ± (% of reading + % of range) These speciﬁ cation are compliant to ISO/IEC 17025 for K = 2

Range 2/frequency 24 hour

DC voltage

100 mV 0.0040 + 0.0060 0.0070 + 0.0065 0.0090 + 0.0065 0.0115 + 0.0065 0.0005 + 0.0005 1 V 0.0030 + 0.0009 0.0060 + 0.0010 0.0080 + 0.0010 0.0105 + 0.0010 0.0005 + 0.0001 10 V 0.0025 + 0.0004 0.0050 + 0.0005 0.0075 + 0.0005 0.0100 + 0.0005 0.0005 + 0.0001 100 V 0.0030 + 0.0006 0.0065 + 0.0006 0.0085 + 0.0006 0.0110 + 0.0006 0.0005 + 0.0001 1000 V 0.0030 + 0.0006 0.0065 + 0.0010 0.0085 + 0.0010 0.0110 + 0.0010 0.0005 + 0.0001

True RMS AC voltage

100 mV, 1 V, 10 V, 100 V, and 750 V ranges

3 – 5 Hz 1.00 + 0.02 1.00 + 0.03 1.00 + 0.03 1.00 + 0.03 0.100 + 0.003 5 – 10 Hz 0.38 + 0.02 0.38 + 0.03 0.38 + 0.03 0.38 + 0.03 0.035 + 0.003 10 Hz – 20 kHz 0.07 + 0.02 0.08 + 0.03 0.09 + 0.03 0.10 + 0.03 0.005 + 0.003 20 – 50 kHz 0.13 + 0.04 0.14 + 0.05 0.15 + 0.05 0.16 + 0.05 0.011 + 0.005 50 – 100 kHz 0.58 + 0.08 0.63 + 0.08 0.63 + 0.08 0.63 + 0.08 0.060 + 0.008 100 – 300 kHz 4.00 + 0.50 4.00 + 0.50 4.00 + 0.50 4.00 + 0.50 0.200 + 0.020

Resistance

DC current Burden voltage

100 Ω 1 mA 0.0040 + 0.0060 0.011 + 0.007 0.014 + 0.007 0.017 + 0.007 0.0006 + 0.0005 1 kΩ 1 mA 0.0030 + 0.0008 0.011 + 0.001 0.014 + 0.001 0.017 + 0.001 0.0006 + 0.0001 10 kΩ 100 µA 0.0030 + 0.0005 0.011 + 0.001 0.014 + 0.001 0.017 + 0.001 0.0006 + 0.0001 100 kΩ 10 µA 0.0030 + 0.0005 0.011 + 0.001 0.014 + 0.001 0.017 + 0.001 0.0006 + 0.0001 1 MΩ 5 µA 0.0030 + 0.0010 0.011 + 0.001 0.014 + 0.001 0.017 + 0.001 0.0010 + 0.0002 10 MΩ 500 nA 0.015 + 0.001 0.020 + 0.001 0.040 + 0.001 0.060 + 0.001 0.0030 + 0.0004 100 MΩ 500 nA || 10 MΩ 0.300 + 0.010 0.800 + 0.010 0.800 + 0.010 0.800 + 0.010 0.1500 + 0.0002

100 µA <0.011 V 0.010 + 0.020 0.040 + 0.025 0.050 + 0.025 0.060 + 0.025 0.0020 + 0.0030 1 mA <0.11 V 0.007 + 0.006 0.030 + 0.006 0.050 + 0.006 0.060 + 0.006 0.0020 + 0.0005 10 mA <0.05 V 0.007 + 0.020 0.030 + 0.020 0.050 + 0.020 0.060 + 0.020 0.0020 + 0.0020 100 mA <0.5 V 0.010 + 0.004 0.030 + 0.005 0.050 + 0.005 0.060 + 0.005 0.0020 + 0.0005 1 A <0.7 V 0.050 + 0.006 0.080 + 0.010 0.100 + 0.010 0.120 + 0.010 0.0050 + 0.0010 3 A <2.0 V 0.180 + 0.020 0.200 + 0.020 0.200 + 0.020 0.230 + 0.020 0.0050 + 0.0020

2, 5, 6

Test current

CAL

± 1 °C

90 day

± 5 °C

CAL

1 year

± 5 °C

CAL

2 year T

± 5 °C

CAL

Temperature coefﬁ cient/°C

SPECIFICATIONS

34460A

Range 2/frequency 24 hour

True RMS AC current

100 µA, 1 mA, 10 mA, and 100 mA ranges <0.011, <0.11, < 0.05, <0.5 V

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

1 A range <0.7 V

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

3 A range <2.0 V

3 Hz – 5 kHz 0.23 + 0.04 0.23 + 0.04 0.23 + 0.04 0.23 + 0.04 0.015 + 0.006 5 – 10 kHz

Continuity

1 kΩ 0.002 + 0.030 0.008 + 0.030 0.010 + 0.030 0.012 + 0.030 0.0010 + 0.0020

Diode test

5 V 0.002 + 0.030 0.008 + 0.030 0.010 + 0.030 0.012 + 0.030 0.0010 + 0.0020

DC ratio

Temperature

PT100 (DIN/ IEC 751) Probe accuracy + 0.05 °C 5 kΩ thermistor Probe accuracy + 0.1 °C

Frequency: speciﬁ cation ± (% of reading) 100 mV, 1 V, 10 V, 100 V, and 750 V ranges

3 – 10 Hz 0.100 0.100 0.100 0.100 0.0002 10 – 100 Hz 0.030 0.030 0.030 0.035 0.0002 100 Hz – 1 kHz 0.003 0.010 0.012 0.017 0.0002 1 – 300 kHz 0.002 0.008 0.012 0.017 0.0002 Square wave

Additional gate time errors ± ( % of reading )

Frequency 1 second 0.1 second 0.01 second

3 – 40 Hz 0 0.200 0.200 40 – 100 Hz 0 0.060 0.200 100 Hz – 1 kHz 0 0.020 0.200 1 – 300 kHz 0 0.004 0.030 Square wave

2, 6, 8

Burden voltage

13, 14

± 1 °C

CAL

0.10 + 0.04 0.10 + 0.04 0.10 + 0.04 0.10 + 0.04 0.030 + 0.006

0.23 + 0.04 0.23 + 0.04 0.23 + 0.04 0.23 + 0.04 0.030 + 0.006

0.001 0.008 0.012 0.017 0.0002

000

90 day

± 5 °C

CAL

(normalized input accuracy) + (normalized reference accuracy)

1 year

± 5 °C

CAL

2 year T

± 5 °C

CAL

Temperature coefﬁ cient/°C

1. For DC: Speciﬁ cations are for 60-minute warm-up, aperture of 10 or 100 NPLC,

and auto zero on. For AC: Speciﬁ cations are for 60-minute warm-up, slow AC ﬁ lter, sine wave.

2. 20% overrange on all ranges, except 1000 DCV, 750 ACV, 3 A AC, and diode test.

3. Relative to calibration standards.

4. Add this for each °C outside T

5. Speciﬁ cations are for sine wave input > 0.3% of range and > 1 mVrms.

750 ACV range limited to 8 x 107 Volt–Hz.

6. Low-frequency performance: three ﬁ lter settings are available: 3 Hz, 20 Hz, 200 Hz.

Frequencies greater than these ﬁ lter settings are speciﬁ ed with no additional errors.

7. Speciﬁ cations are for 4–wire ohms function or 2–wire ohms using math null for offset. Without

math null, add 0.2 Ω additional error in 2-wire ohms function.

8. Speciﬁ cations are for sinewave input >1% of range and > 10 µA AC.

9. AC current speciﬁ cations > 5 kHz are typical.

CAL

± 5 °C.

10. Speciﬁ cations are for the voltage measured at the input terminals. The 1 mA test current is typical. Variation in the current source will create some variation in the voltage drop across a diode junction.

11. These speciﬁ cations are for typical performance.

12. Actual measurement range and probe errors will be limited by the selected probe. Probe accuracy adder includes all measurement and ITS-90 temperature conversion errors PT100 Ro settable to 100 Ω ± 5 Ω to remove the initial probe error.

13. Speciﬁ cations are for 60-minute warm-up and sine wave input unless stated otherwise. Speciﬁ cations are for 1-second gate time (7 digits).

14. Applies to sine and square inputs ≥ 100 mV. For 10 mV to < 100 mV inputs, multiply % of reading error x10.

15. Amplitude 10% –120% of range and less than 750 ACV.

16. Square wave input speciﬁ ed for 10 Hz – 300 kHz.

SPECIFICATIONS

34461A

34461A accuracy speciﬁ cations: ± (% of reading + % of range) These speciﬁ cation are compliant to ISO/IEC 17025 for K = 2

Range 2/frequency 24 hour

DC voltage

100 mV 0.0030 + 0.0030 0.0040 + 0.0035 0.0050 + 0.0035 0.0065 + 0.0035 0.0005 + 0.0005 1 V 0.0020 + 0.0006 0.0030 + 0.0007 0.0040 + 0.0007 0.0055 + 0.0007 0.0005 + 0.0001 10 V 0.0015 + 0.0004 0.0020 + 0.0005 0.0035 + 0.0005 0.0050 + 0.0005 0.0005 + 0.0001 100 V 0.0020 + 0.0006 0.0035 + 0.0006 0.0045 + 0.0006 0.0060 + 0.0006 0.0005 + 0.0001 1000 V 0.0020 + 0.0006 0.0035 + 0.0010 0.0045 + 0.0010 0.0060 + 0.0010 0.0005 + 0.0001

True RMS AC voltage

100 mV, 1 V, 10 V, 100 V, and 750 V ranges

3 – 5 Hz 1.00 + 0.02 1.00 + 0.03 1.00 + 0.03 1.00 + 0.03 0.100 + 0.003 5 – 10 Hz 0.35 + 0.02 0.35 + 0.03 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 0.07 + 0.03 0.005 + 0.003 20 – 50 kHz 0.10 + 0.04 0.11 + 0.05 0.12 + 0.05 0.13 + 0.05 0.011 + 0.005 50 – 100 kHz 0.55 + 0.08 0.60 + 0.08 0.60 + 0.08 0.60 + 0.08 0.060 + 0.008 100 – 300 kHz 4.00 + 0.50 4.00 + 0.50 4.00 + 0.50 4.00 + 0.50 0.200 + 0.020

Resistance

DC current Burden voltage

100 Ω 1 mA 0.0030 + 0.0030 0.008 + 0.004 0.010 + 0.004 0.012 + 0.004 0.0006 + 0.0005 1 kΩ 1 mA 0.0020 + 0.0005 0.008 + 0.001 0.010 + 0.001 0.012 + 0.001 0.0006 + 0.0001 10 kΩ 100 µA 0.0020 + 0.0005 0.008 + 0.001 0.010 + 0.001 0.012 + 0.001 0.0006 + 0.0001 100 kΩ 10 µA 0.0020 + 0.0005 0.008 + 0.001 0.010 + 0.001 0.012 + 0.001 0.0006 + 0.0001 1 MΩ 5 µA 0.002 + 0.001 0.008 + 0.001 0.010 + 0.001 0.012 + 0.001 0.0010 + 0.0002 10 MΩ 500 nA 0.015 + 0.001 0.020 + 0.001 0.040 + 0.001 0.060 + 0.001 0.0030 + 0.0004 100 MΩ 500 nA || 10 MΩ 0.300 + 0.010 0.800 + 0.010 0.800 + 0.010 0.800 + 0.010 0.1500 + 0.0002

2, 5, 6

Test current

CAL

± 1 °C

90 day

± 5 °C

CAL

1 year

± 5 °C

CAL

2 year T

± 5 °C

CAL

Temperature coefﬁ cient/°C

SPECIFICATIONS

34461A

Range 2/frequency

True RMS AC current

100 µA, 1 mA, 10 mA, and 100 mA ranges <0.011, <0.11, <0.05, <0.5 V

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

1 A range <0.7 V

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

3 A range <2.0 V

3 Hz – 5 kHz 0.23 + 0.04 0.23 + 0.04 0.23 + 0.04 0.23 + 0.04 0.015 + 0.006 5 – 10 kHz

10 A range <0.5 V

3 Hz – 5 kHz 0.15 + 0.04 0.15 + 0.04 0.15 + 0.04 0.15 + 0.04 0.015 + 0.006 5 – 10 kHz

Continuity

1 kΩ 0.002 + 0.030 0.008 + 0.030 0.010 + 0.030 0.012 + 0.030 0.0010 + 0.0020

Diode test

5 V 0.002 + 0.030 0.008 + 0.030 0.010 + 0.030 0.012 + 0.030 0.0010 + 0.0020

DC ratio

Temperature

PT100 (DIN/ IEC 751) Probe accuracy + 0.05 °C 5 kΩ thermistor Probe accuracy + 0.1 °C

Frequency: speciﬁ cation ± (% of reading) 100 mV, 1 V, 10 V, 100 V, and 750 V ranges

3 – 10 Hz 0.100 0.100 0.100 0.100 0.0002 10 – 100 Hz 0.030 0.030 0.030 0.035 0.0002 100 Hz – 1 kHz 0.003 0.008 0.010 0.015 0.0002 1 – 300 kHz 0.002 0.006 0.010 0.015 0.0002 Square wave

Additional gate time errors ± ( % of reading )

Frequency 1 second 0.1 second 0.01 second

3 – 40 Hz 0 0.200 0.200 40 – 100 Hz 0 0.060 0.200 100 Hz – 1 kHz 0 0.020 0.200 1 – 300 kHz 0 0.004 0.030 Square wave

2, 6, 8

Burden voltage

13, 14

24 hour T

± 1 °C

CAL

0.10 + 0.04 0.10 + 0.04 0.10 + 0.04 0.10 + 0.04 0.030 + 0.006

0.23 + 0.04 0.23 + 0.04 0.23 + 0.04 0.23 + 0.04 0.030 + 0.006

0.15 + 0.04 0.15 + 0.04 0.15 + 0.04 0.15 + 0.04 0.030 + 0.006

0.001 0.006 0.010 0.015 0.0002

000

90 day

± 5 °C

CAL

(normalized input accuracy) + (normalized reference accuracy)

1 year

± 5 °C

CAL

2 year T

± 5 °C

CAL

Temperature coefﬁ cient/°C

1. Speciﬁ cations are for 60-minute warm-up, integration setting of 10 or 100 NPLC, and auto-zero on. Speciﬁ cations are for 60-minute warm-up, slow AC ﬁ lter, sinewave.

2. 20% over range on all ranges, except 1000 DCV, 750 ACV, 10 A DC, 3 A AC, 10 A AC, and diode test.

3. Relative to calibration standards.

4. Add this for each °C outside TCAL ± 5 °C.

5. Speciﬁ cations are for sinewave input >0.3% of range and > 1 mVrms. 750 ACV range limited to 8 x 10 7 Volt–Hz.

6. Low-frequency performance: three ﬁ lter settings are available: 3 Hz, 20 Hz, 200 Hz. Frequencies greater than these ﬁ lter settings are speciﬁ ed with no additional errors.

7. Speciﬁ cations are for 4-wire ohms function or 2-wire ohms using math null for offset. Without math null, add 0.2 Ω additional error in 2-wire ohms function.

8. Speciﬁ cations are for sinewave input > 1% of range and > 10 µA AC. The 10 A range is only available on a separate front-panel connector.

9. AC current speciﬁ cations > 5 kHz are typical.

11. These speciﬁ cations are for typical performance.

12. Actual measurement range and probe errors will be limited by the selected probe. Probe accuracy adder includes all measurement and ITS-90 temperature conversion errors. PT100 Ro settable to 100 Ω ±5 Ω to remove the initial probe error.

13. Speciﬁ cations are for 60-minute warm-up and sine wave input unless stated otherwise. Speciﬁ cations are for 1-second gate time (7-digits).

14. Applies to sine and square inputs ≥ 100 mV. For 10 mV to < 100 mV inputs, multiply % of reading error x10.

15. Amplitude 10%–120% of range and less than 750 ACV.

16. Square wave input speciﬁ ed for 10 Hz – 300 kHz.

MEASUREMENT CHARACTERISTICS

34460A/34461A

Measurement characteristics

DC voltage

Measurement method: Agilent patented continuously integrating

A/D linearity: 0.0002% of reading + 0.0001% of range Input resistance:

0.1 V, 1 V, 10 V range

100 V, 1000 V range Input bias current: <30 pA at 25 °C Input terminals: Copper alloy Input protection: 1000 V on all ranges

True RMS AC voltage

Measurement type: AC–coupled True RMS.

Measurement method: Digital sampling with anti-alias ﬁ lter Maximum input: 400 DCV, 1100 Vpeak Input impedance: 1 MΩ ±1%, in parallel with <100 pF Input protection: 750 Vrms all ranges

DC and True RMS AC current

AC measurement type: Directly coupled to the fuse and shunt.

AC measurement method: Digital sampling with anti-alias ﬁ lter Input protection 3 A: Externally accessible 3.15 A, 500 V fuse

Input protection 10 A: (34461A only)

AC crest factor and peak input

Crest factor: 10:1 maximum crest factor, (3:1 at full-scale). Measurement

Peak input: 300% of range or maximum input Overload ranging : Will select higher range if peak input overload is detected

Resistance

Measurement method: Selectable 4-wire or 2-wire ohms.

Maximum lead resistance (4-wire ohms):

Input protection: 1000 V on all ranges

Continuity/diode test

Response time: 300 samples/s with audible tone Continuity threshold: Fixed at 10 Ω

DC ratio

Measurement method: Input HI-LO/reference (sense) HI-LO Input HI-LO: 100 mV to 1000 V ranges Reference (sense) HI-Input LO: 100 mV to 10 V ranges (autoranged) Input to reference (sense): HI and LO reference (sense) terminals reference

Temperature

PT100 platinum RTD sensor, α= 0.00385Ω/Ω/°C; DIN/IEC 751. Measurement conversions limited to -200 to 600 °C.

5-kΩ thermistor β= 3891; YSI 44007 or equivalent. Measurement conversions limited to -80 to 150 °C.

multi-slope IV A/D converter

Selectable 10 MΩ or >10 GΩ 10 MΩ ± 1%

Measures the AC component of the input.

AC True RMS measurement (measures the AC component only).

(Replacement part number 2110-1547 3.15 A external fuse) Internal 11-A, 1000-V fuse (Replacement part number 2110-1402 11 A external fuse)

Internal 11-A, 1000-V fuse (Replacement part number 2110-1402 11 A external fuse)

bandwidth limited to 300 kHz for signal plus harmonics.

during auto range. Overload is reported in manual ranging.

Current source referenced to LO input. 10% of range per lead for 100 Ω, 1 kΩ ranges.

1 kΩ per lead on all other ranges.

to LO input <12 V

Measurement noise rejection

60 Hz (50 Hz ) for 1-kΩ LO lead unbalance ( ± 500 V peak maximum) DC CMRR: 140 dB AC CMRR: 70 dB

Integration time Normal mode rejection

100 PLC/1.67 s (2 s) 60 dB 10 PLC/167 ms (200 ms) 60 dB 1 PLC/16.7 ms (20 ms) 60 dB

0.2 PLC/3 ms (3 ms) 0 dB

0.02 PLC/400 µs (400 µs) 0 dB

Frequency and period

Measurement method: Reciprocal-counting technique.

Voltage ranges: 100 mVrms full scale to 750 Vrms. Auto or manual ranging. Gate time: 10 ms, 100 ms, or 1 s Measurement considerations All frequency counters are susceptible to error when

Autozero OFF operation

Following instrument warm–up at a stable ambient temperature ±1 °C and <10 minutes. Add 0.0002% of range + 5 µV for DCV or + 5 mΩ for resistance.

Measurement settling considerations

ACV, ACI, Frequency, Period

Default delays are selected to give ﬁ rst reading right for most measurements. Errors will occur when attempting to measure the frequency or period of an input following a DC offset voltage change. The input blocking RC time constant must be allowed to fully settle (up to 1 second) before the most accurate measurements are possible.

Applying >300 V ACrms or >1 Arms will cause self-heating in signal-conditioning components. These errors are included in the instrument speciﬁ cations. Internal temperature changes due to self-heating may cause additional error on other functions or ranges. The additional error will generally dissipate within a few minutes.

DCV, DCI, Resistance

Applying >1 A DC will cause self-heating in signal-conditioning components. These errors are included in the instrument speciﬁ cations. Internal temperature changes due to selfheating may cause additional error on other functions or ranges. The additional error will generally dissipate within a few minutes.

Reading settling times are affected by source impedance, cable dielectric characteristics, and input signal changes. Agilent recommends the use of PTFE or other high-impedance, low-dielectric absorption wire insulation for these measurements.

1. For power-line frequency ± 0.1%

2. For power-line frequency ± 1%, the NMR is 40 dB For ± 3%, use 30 dB

Measurement is AC-coupled using AC measurement functions.

measuring low-voltage, low-frequency signals. Shielding inputs from external noise pickup is critical for minimizing measurement errors.

OPERATING CHARACTERISTICS

34460A/34461A

Performance versus measurement speed

For DC voltage, DC current, and resistance

Integration time Digits Readings/s Digits Readings/s Additional noise error

100 PLC/1.67 s (2 s) 6½ 0.6 (0.5) 6½ 0.6 (0.5) 0% of range 10 PLC/167 ms (200 ms) 6½ 6 (5) 6½ 6 (5) 0% of range 1 PLC/16.7 ms (20 ms) 5½ 60 (50) 5½ 60 (50) 0.001% of range

0.2 PLC/3 ms (3 ms) 5½ 100 5½ 300 0.001% of range

0.02 PLC/400 µs (400 µs) 3½ 300 4½ 1000 0.01% of range

AC voltage, AC current

Frequency, period

1. Reading speeds for 60 Hz and 50 Hz operation, autozero off, ﬁ xed range.

2. Add 20 µV for DCV and 20 mΩ for resistance. Add 0.2 µA for DC current + 10x the above range error for the 10 mA range.

3. Maximum reading rates for 0.01% of AC step additional error. Additional settling delay required when input DC level varies.

4. For external trigger or remote operation using default settling delay (Delay Auto).

5. Maximum useful limit with default settling delays defeated.

3, 4

34460A 34461A

Digits ACV ACI AC ﬁ lter

6½ .4/s .6/s Slow 6½ 1.6/s 4/s Medium 6½ 40/s 40/s Fast 6½ 50/s

Aperture Digits Readings

1 Second 7 1

0.1 Second 6 10

0.01 Second 5 80

50/s

Fast

System Speeds (average)

DC voltage, DC current, resistance

Autorange time Maximum internal trigger rate 300/s 1000/s Maximum external trigger rate 300/s 1000/s ASCII readings to bus 300/s 1000/s Single reading transaction rate

AC voltage, AC current

Autorange time Maximum internal trigger rate 50/s 50/s Maximum external trigger rate 50/s 50/s ASCII readings to bus 50/s 50/s Single reading transaction rate

Frequency, period

Autorange time Maximum internal trigger rate 80/s 80/s Maximum external trigger rate 80/s 80/s ASCII readings to bus 80/s 80/s Single reading transaction rate

1. 0.02 NPLC, delay 0, autozero off, math off, and display off.

2. These rates apply to all I/O interfaces.

3. Time to automatically change one range and be ready for new measurement, ≤10 V, ≤10 MΩ.

4. Includes measurement and IO time (assumes connection via SOCKETS. VXI-11 connections may be slower).

5. Fast AC ﬁ lter, delay 0, math off, and display off.

6. 10-ms aperture, fast AC ﬁ lter, delay 0, math off, and display off.

1, 2

34460A 34461A

<30 ms <30 ms

50/s 150/s

10/s 10/s

50/s 50/s

10/s 10/s

50/s 50/s

34460A DMM rear panel with GPIB option installed.

34461A DMM rear panel with GPIB option installed.

GENERAL CHARACTERISTICS

34460A/34461A

General characteristics

Line power

Power supply: 100/120 (127)/ 220 (230)/240 VAC ± 10%, CAT II Power line frequency: 50/60/400 Hz ± 10% Power consumption: 25 VA

Environment

Operating environment: Full accuracy for 0 to 55 °C

Operating altitude: Up to 3000 m Storage temperature: -40 to 70 °C

Mechanical

Rack dimensions: (W x H x D): 212.8 mm x 88.3 mm x 272.3 mm Bench dimensions: (W x H x D): 261.2 mm x 103.8 mm x 303.2 mm Weight: 34460A: 3.68 kg (8.1 lb)

Full accuracy to 80% R.H. at 40 °C non–condensing

34461A: 3.76 kg (8.3 lb)

Regulatory

Safety EN 61010-1:2010 (3rd Edition)

ANSI/ISA-61010-1 (82.02.01) Third Edition ANSI/UL 61010-1 Third Edition CAN/CSA-C22.2 No. 61010-1 Third Edition EN 61010-2-030:2010 (1st Edition) ANSI/ISA-61010-2-030 (82.02.03) First Edition ANSI/UL 61010-2-030 First Edition CAN/CSA-C22.2 No. 61010-2-030 First Edition Refer to Declaration of Conformity for current revisions Measurement Category II to 300 V Other non MAINS circuits to 1000 Vpk Pollution Degree 2

EMC IEC 61326

EN 61326 CISPR ICES-001 AS/NZS 2064.1 Refer to Declaration of Conformity for current revisions Acoustic noise (nominal) 45 dBA

Triggering conditions

External input Low–power TTL compatible input programmable edge triggered

Delay: <1 µs Jitter: <1 µs Minimum pulse width: 1 µs Maximum rate: Up to 1 kHz (34461A), up to 300 Hz (34460A)

Voltmeter complete output 3.3 V logic output

Polarity: Programmable edge pulse Pulse width: Approximately 2 µs

Computer interfaces

LXI (rev 1.4) 10/100Base-T Ethernet (Sockets, VXI-11 protocol,

Web user interface) (Optional on 34460A) USB USB 2.0 (USB-TMC488 & MTP protocol) GPIB Optional GPIB IEEE-488 Language SCPI-1999, IEEE-488.2, 34401A compatible

Front-panel USB host port

Supports USB 2.0 high-speed mass storage (MSC) class devices Capability: import/export instrument conﬁ guration ﬁ les, save volatile readings

and screen captures

System speeds (averages)

Benchmark GPIB USB 2.0 VXI-11 Sockets

Function change Range change

1. Rate to change from 2-wire resistance to any other function

2. Rate to change from one range to the next higher range, ≤ 10 V, ≤ 10 MΩ

Triggering and memory

Samples per trigger 1 to 1,000,000 Trigger delay 0 to 3600 sec (~1 µs step size) External trigger delay <10 µs External trigger jitter <1 µs (DC ﬁ xed range) Volatile reading memory 10,000 (34461A), 1,000 (34460A)

Probe hold

Sensitivity ﬁ xed at 1% of reading Capture and navigate stable list of readings

Internal ﬂ ash ﬁ le system

80 MB total capacity Save reading memory to non-volatile memory in CSV format Store and recall user-deﬁ ned states, power-off state, Save screen captures in BMP or PNG formats

1. Power-off state only when power-down is initiated via front-panel power switch.

Math functions

Per function null, min/max/avg/Sdev, dB, dBm, span, count, limit test, histogram

Display

4.3” color TFT WQVGA (480x272) with LED backlight Supports: basic number, bar chart, trend chart (34461A only), histogram views User-deﬁ ned power-on message, display label, and selectable screen colors Integrated, context-sensitive system help through press-and-hold buttons

Real-time clock/calendar

Set and read, year, month, day, hour, minute, seconds (Note: seconds not settable) Battery CR-2032 coin-type, replaceable, >10-year life (typ)

Software available

IO Libraries: www.agilent.com/ﬁ nd/IOLibraries DMM Connectivity Utility software: www.agilent.com/ﬁ nd/DMMutilitysoftware

50/s 50/s 50/s 50/s 100/s 100/s 100/s 100/s

and preference ﬁ les

OPTIONS & ACCESSORIES

34460A/34461A

Options

34460A Digital multimeter, 6½ digit, basic Truevolt DMM

LAN Rear panel LAN/LXI Web interface, external triggering for 34460A SEC Enable NISPOM and ﬁ le security for Truevolt Series DMMs Z54 Certiﬁ cate of calibration – ANSI/NCSL Z540.3-2006, printed GPB GPIB user-installable interface module for Truevolt Series DMMs ACC Accessory kit for 34460A – documentation CDs, test leads, USB cable

34461A Digital multimeter, 6½ digit, 34401A replacement, Truevolt DMM

SEC Enable NISPOM and ﬁ le security for Truevolt Series DMMs Z54 Certiﬁ cate of calibration – ANSI/NCSL Z540.3-2006, printed GPB GPIB user-installable interface module for Truevolt Series DMMs

Accessories

Accessories included

34460A: Power cord

34461A: 34138A test lead set with probes, ﬁ ne tip probes, SMT grabbers

Accessories available

11059A Kelvin probe set 11060A Surface-mount device probe 11062A Kelvin clip set 34131A Transit case 34133A Precision electronic test leads 34134A DC-coupled current probe 34136A High-voltage probe 34138A Test lead set 34162A Accessory pouch 34171B Input terminal block 34172B Calibration short 34308A Thermistor kit 34330A 30-A current shunt E2308A Thermistor temperature probe Y1133A Low-thermal external digital multimeter scanning kit

Calibration certiﬁ cate

and mini grabber attachments Power cord Documentation CD IO Libraries CD USB cable Calibration certiﬁ cate

Standalone product numbers

Ordered as standalone to be installed by the distributor or customer

3446LANU Upgrade:

Rear panel LAN/LXI Web interface, external triggering for 34460A

3446SECU Upgrade:

Enable NISPOM and ﬁ le security for Truevolt Series DMMs

3446GPBU Upgrade:

GPIB user-installable interface module for Truevolt Series DMMs

3446ACCU Accessory kit for 34460A:

Documentation CDs, test leads, USB cable

Rack mount kits

34190A Rackmount kit:

Use for mounting one 2U instrument by itself, without another instrument laterally next to it. Includes one rack ﬂ ange and one combination rack ﬂ ange-ﬁ ller panel.

34191A 2U dual ﬂ ange kit:

Use for mounting two 2U instruments side-by-side. Includes two standard rack ﬂ anges.

Note: Mounting two instruments side-by-side will require the 34194A dual-lock link kit and a shelf for the instruments to sit on.

34194A Dual lock link kit:

For side-by-side combinations of instruments and includes links for instruments of different depths.

Standard 3-Year Warranty

Deﬁ nitions

Speciﬁ cation (spec)

The warranted performance of a calibrated instrument that has been stored for a minimum of 2 hours within the operating temperature range of 0 – 55 °C and after a 60-minute warm up period. All speciﬁ cations include measurement uncertainty and were created in compliance with ISO-17025 methods. Data published in this document are speciﬁ cations (spec) only where speciﬁ cally indicated.

Typical (typ)

The characteristic performance, which 80% or more of manufactured instruments will meet. This data is not warranted, does not include measurement uncertainty, and is valid only at room temperature (approximately 23 °C).

Nominal (nom)

The mean or average characteristic performance, or the value of an attribute that is determined by design such as a connector type, physical dimension, or operating speed. This data is not warranted and is measured at room temperature (approximately 23 °C).

Measured (meas)

An attribute measured during development for purposes of communicating the expected performance. This data is not warranted and is measured at room temperature (approximately 23 °C).

CAL

The temperature at which the instrument was calibrated.

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Product specifications and descriptions in this document subject to change without notice.

Atec Agilent-34461A User Manual

Specifications and Main Features

Frequently Asked Questions

User Manual