Fluke 5730A/03 User manual

August 2013 Rev. 1, 6/15
© 2013-2015 Fluke Corporation. All rights reserved. Specifications are subject to change without notice.
All product names are trademarks of their respective companies.
5730A
Multifunction Calibrator
Operators Manual

LIMITED WARRANTY AND LIMITATION OF LIABILITY
Each Fluke product is warranted to be free from defects in material and workmanship under
normal use and service. The warranty period is one year and begins on the date of shipment.
Parts, product repairs, and services are warranted for 90 days. This warranty extends only to the
original buyer or end-user customer of a Fluke authorized reseller, and does not apply to fuses,
disposable batteries, or to any product which, in Fluke's opinion, has been misused, altered,
neglected, contaminated, or damaged by accident or abnormal conditions of operation or
handling. Fluke warrants that software will operate substantially in accordance with its functional
specifications for 90 days and that it has been properly recorded on non-defective media. Fluke
does not warrant that software will be error free or operate without interruption.
Fluke authorized resellers shall extend this warranty on new and unused products to end-user
customers only but have no authority to extend a greater or different warranty on behalf of Fluke.
Warranty support is available only if product is purchased through a Fluke authorized sales outlet
or Buyer has paid the applicable international price. Fluke reserves the right to invoice Buyer for
importation costs of repair/replacement parts when product purchased in one country is submitted
for repair in another country.
Fluke's warranty obligation is limited, at Fluke's option, to refund of the purchase price, free of
charge repair, or replacement of a defective product which is returned to a Fluke authorized
service center within the warranty period.
To obtain warranty service, contact your nearest Fluke authorized service center to obtain return
authorization information, then send the product to that service center, with a description of the
difficulty, postage and insurance prepaid (FOB Destination). Fluke assumes no risk for damage in
transit. Following warranty repair, the product will be returned to Buyer, transportation prepaid
(FOB Destination). If Fluke determines that failure was caused by neglect, misuse, contamination,
alteration, accident, or abnormal condition of operation or handling, including overvoltage failures
caused by use outside the product’s specified rating, or normal wear and tear of mechanical
components, Fluke will provide an estimate of repair costs and obtain authorization before
commencing the work. Following repair, the product will be returned to the Buyer transportation
prepaid and the Buyer will be billed for the repair and return transportation charges (FOB
Shipping Point).
THIS WARRANTY IS BUYER'S SOLE AND EXCLUSIVE REMEDY AND IS IN LIEU OF ALL
OTHER WARRANTIES, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO ANY
IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
FLUKE SHALL NOT BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL, OR
CONSEQUENTIAL DAMAGES OR LOSSES, INCLUDING LOSS OF DATA, ARISING FROM
ANY CAUSE OR THEORY.
Since some countries or states do not allow limitation of the term of an implied warranty, or
exclusion or limitation of incidental or consequential damages, the limitations and exclusions of
this warranty may not apply to every buyer. If any provision of this Warranty is held invalid or
unenforceable by a court or other decision-maker of competent jurisdiction, such holding will not
affect the validity or enforceability of any other provision.
Fluke Corporation
P.O. Box 9090
Everett, WA 98206-9090
U.S.A.
Fluke Europe B.V.
P.O. Box 1186
5602 BD Eindhoven
The Netherlands
11/99

OPERATOR SAFETY
SUMMARY
WARNING
HIGH VOLTAGE
is used in the operation of this equipment
LETHAL VOLTAGE
may be present on the terminals, observe all safety precautions!
To prevent electrical shock hazard, the operator should not electrically contact the
output HI or sense HI terminals or circuits connected to these terminals. During
operation, lethal voltages of up to 1100 V ac or dc may be present on these
terminals.
When the nature of the operation permits, keep one hand away from equipment to
reduce the hazard of current flowing through vital organs of the body.

v
Table of Contents
Chapter Title Page
1 Introduction and Specification........................................................... 1-1
Introduction........................................................................................................ 1-1
Safety Information............................................................................................. 1-3
Symbols ............................................................................................................. 1-4
How to Contact Fluke Calibration..................................................................... 1-5
Instruction Manuals ........................................................................................... 1-5
Wideband AC Voltage Module (Option 5730A/03 or 5730A/05)..................... 1-6
Auxiliary Amplifiers.......................................................................................... 1-6
5725A Amplifier ........................................................................................... 1-7
52120A Amplifier ......................................................................................... 1-7
Support Equipment and Services....................................................................... 1-7
732B Direct Voltage Reference Standard ..................................................... 1-8
732B-200 Direct Volt Maintenance Program (USA Only)........................... 1-8
742A Series Resistance Standards................................................................. 1-8
Wideband AC Module (Option 5730A/03 or 5730A/05)
Calibration Support ....................................................................................... 1-8
The Components of the Calibrator..................................................................... 1-9
Specifications..................................................................................................... 1-9
Specification Confidence Levels................................................................... 1-9
Use of Absolute and Relative Accuracy Specifications ................................ 1-10
Use of Secondary Performance Specifications.............................................. 1-10
General Specifications....................................................................................... 1-11
Electrical Specifications .................................................................................... 1-13
AC Voltage Specifications ............................................................................ 1-14
Resistance Specifications .............................................................................. 1-20
DC Current Specifications............................................................................. 1-23
AC Current Specifications............................................................................. 1-24
Wideband AC Voltage (Option 5730A/03 and 5730A/05)
Specifications (99 % Confidence Level)....................................................... 1-27
52120A Specifications when Operated with the 5730A................................ 1-28
52120A Electrical Performance Limits......................................................... 1-28
Operated within 5730A Control Loop (all current ranges) ........................... 1-29
Coverage factor k=2.58 (99 % confidence level)...................................... 1-29
Coverage factor k=2.00 (95 % confidence level)...................................... 1-29

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52120A/COIL 3 kA 25-Turn Coil................................................................. 1-30
52120A/COIL 6 kA 50-Turn Coil................................................................. 1-31
2 Installation ........................................................................................... 2-1
Introduction........................................................................................................ 2-1
Unpack and Inspect the Calibrator..................................................................... 2-1
Placement and Rack Mounting.......................................................................... 2-2
Cooling Considerations...................................................................................... 2-2
Mains Voltage Selection.................................................................................... 2-3
Connect to Mains Power.................................................................................... 2-4
Connect a 5725A Amplifier............................................................................... 2-4
Connect a 52120A Amplifier............................................................................. 2-4
3 Features ............................................................................................... 3-1
Introduction........................................................................................................ 3-1
Front-Panel Features.......................................................................................... 3-1
Rear-Panel Features........................................................................................... 3-5
4 Front-Panel Operation ........................................................................ 4-1
Introduction........................................................................................................ 4-1
Turn on the Calibrator........................................................................................ 4-2
Warmup ............................................................................................................. 4-2
Product Use........................................................................................................ 4-2
Reset the Calibrator ........................................................................................... 4-3
Operate and Standby Modes.............................................................................. 4-3
Connect the Calibrator to a UUT....................................................................... 4-4
Recommended Cable and Connector Types.................................................. 4-4
When to Use External Sensing...................................................................... 4-6
When to Use the External Voltage Guard..................................................... 4-6
Four-Wire Vs. Two-Wire Resistance Connections....................................... 4-6
Cable Connection Instructions....................................................................... 4-7
Set the Output .................................................................................................... 4-14
DC Voltage Output........................................................................................ 4-16
AC Voltage Output........................................................................................ 4-17
DC Current Output........................................................................................ 4-19
AC Current Output........................................................................................ 4-21
Resistance Output.......................................................................................... 4-23
Wideband AC Voltage Output (Option 5730A/03 or 5730A/05) ................. 4-26
Variable Phase Output ....................................................................................... 4-28
Phase Locking to an External Signal................................................................. 4-29
Auxiliary Amplifier Use.................................................................................... 4-30
5725A Amplifier Output ............................................................................... 4-31
52120A Transconductance Amplifier Output ............................................... 4-32
Error Mode Operation........................................................................................ 4-32
Error Mode Overview.................................................................................... 4-33
Enter Error Mode ...................................................................................... 4-33
Exit Error Mode ........................................................................................ 4-33
Use Error Mode......................................................................................... 4-34
Read the UUT Error: AC and DC Voltage and Current Output.................... 4-34
Read the UUT Error: Resistance Output....................................................... 4-35
Introduction to Offset, Scale, and Linearity Errors............................................ 4-35
Offset Error.................................................................................................... 4-36
Scale Error..................................................................................................... 4-36
Linearity Error............................................................................................... 4-37

Contents (continued)
vii
Combine the Error Types .............................................................................. 4-38
Program an Offset.............................................................................................. 4-39
Program a Scale Factor...................................................................................... 4-40
Linearity Check with Offset and Scale.............................................................. 4-41
Set up the Calibrator.......................................................................................... 4-45
Setup Menu.................................................................................................... 4-45
Setup Menu Rules.......................................................................................... 4-46
Menu Description.......................................................................................... 4-47
Touchscreen Selections ................................................................................. 4-47
Instrument Setup................................................................................................ 4-51
Uncertainty Information Menu...................................................................... 4-52
Set Output Limits .......................................................................................... 4-53
Select Boost Amplifiers................................................................................. 4-54
Error Reference ............................................................................................. 4-54
Instrument Settings............................................................................................ 4-56
Set the Internal Clock/Calendar..................................................................... 4-56
Language ....................................................................................................... 4-57
Display Brightness......................................................................................... 4-57
About This Instrument................................................................................... 4-57
5 Remote Interface Setup ...................................................................... 5-1
GPIB (IEEE-488) Interface................................................................................ 5-2
Use the IEEE-488 Port for Remote Control.................................................. 5-2
IEEE-488 Bus Restrictions............................................................................ 5-2
Bus Setup Procedure...................................................................................... 5-2
IEEE-488 Interface Configuration................................................................. 5-3
Bus Communication Overview ..................................................................... 5-3
RS-232 Serial Interface...................................................................................... 5-4
Use the RS-232 Port for Remote Control...................................................... 5-4
RS-232 Interface Specifications.................................................................... 5-4
Set Up and Connect the Serial Interface........................................................ 5-5
Serial Remote Control Setup Procedure........................................................ 5-6
Exceptions for Serial Remote Control........................................................... 5-6
Ethernet Interface............................................................................................... 5-7
Set Up and Connect the Ethernet Interface ................................................... 5-7
Set the IP Address ......................................................................................... 5-7
Select the Dynamic Host Configuration Protocol (DHCP)........................... 5-7
Set a Static Internet Address.......................................................................... 5-8
Configure the General Network Socket Port................................................. 5-8
Configure the LAN Default Gateway............................................................ 5-9
Set the LAN Subnet Mask............................................................................. 5-9
Read the MAC Address................................................................................. 5-9
Establish an Ethernet Connection...................................................................... 5-10
Terminate an Ethernet Connection................................................................ 5-10
Use of Ethernet Remote Control ................................................................... 5-10
Use of USB 2.0 Remote Control........................................................................ 5-11
6 Remote Commands and Syntax......................................................... 6-1
Introduction........................................................................................................ 6-1
Parameter Syntax Rules................................................................................. 6-1
Extra Space Characters.................................................................................. 6-2
Terminators.................................................................................................... 6-2
Incoming Character Processing..................................................................... 6-3
Response Message Syntax............................................................................. 6-3

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Input Buffer Operation....................................................................................... 6-3
Commands......................................................................................................... 6-4
Multiple Commands...................................................................................... 6-4
Coupled Commands ...................................................................................... 6-4
Sequential and Overlapped Commands......................................................... 6-5
Commands Ignored When Not in Remote .................................................... 6-5
Commands that Require the Calibration Security Passcode.......................... 6-5
Long Term Commands.................................................................................. 6-5
Definition: Queries and Commands.............................................................. 6-6
Functional Elements of Commands............................................................... 6-6
Interface Messages (IEEE-488 Only)............................................................ 6-8
Use of *OPC?, *OPC, and *WAI.................................................................. 6-10
Local-to-Remote State Transitions.................................................................... 6-48
Check the Calibrator Status ............................................................................... 6-50
Status Byte Register ...................................................................................... 6-52
Service Request Line (SRQ)..................................................................... 6-52
Service Request Enable Register............................................................... 6-52
Load the SRE ............................................................................................ 6-52
Event Status Register..................................................................................... 6-53
Bit Assignments for the ESR and ESE...................................................... 6-53
Read the ESR and ESE ............................................................................. 6-54
Load the ESE............................................................................................. 6-54
Instrument Status Register............................................................................. 6-54
Instrument Status Change Register................................................................ 6-54
Instrument Status Change Enable Register ................................................... 6-54
Bit Assignments for the ISR, ISCR, and ISCE ......................................... 6-54
Read the ISR, ISCR, or ISCE.................................................................... 6-55
Load the ISCE........................................................................................... 6-55
Fault Queue ................................................................................................... 6-55
7 Operator Maintenance and Calibration ............................................. 7-1
Introduction........................................................................................................ 7-1
Fuse Replacement.............................................................................................. 7-1
Clean the Air Filter............................................................................................ 7-3
Clean the Exterior.............................................................................................. 7-4
User-Replaceable Parts...................................................................................... 7-4
5730A Calibration.............................................................................................. 7-6
The Artifact Calibration Process ................................................................... 7-6
Establish Traceability.................................................................................... 7-7
Calibration Reports........................................................................................ 7-7
Range Adjustment......................................................................................... 7-7
DC Zeros............................................................................................................ 7-7
Run DC Zeros................................................................................................ 7-7
DC Zeros Reminder....................................................................................... 7-8
Calibration ......................................................................................................... 7-8
Calibration Security Passcode....................................................................... 7-9
Artifact Calibration........................................................................................ 7-9
When to Adjust Calibrator Accuracy ............................................................ 7-10
Calibration Procedure.................................................................................... 7-10
Range Adjustment.............................................................................................. 7-13
Calibrate the Wideband AC Module (Option 5730A/03 or 5730A/05)............. 7-17
Wideband Flatness Calibration Procedure......................................................... 7-18
Calibration Check.............................................................................................. 7-20
Develop a Performance History......................................................................... 7-21
Save Calibration Reports ................................................................................... 7-21

Contents (continued)
ix
Calibration Shift Results................................................................................ 7-22
Calibration Check Shift Results .................................................................... 7-23
Raw Data Results .......................................................................................... 7-23
8 Options and Accessories ................................................................... 8-1
Introduction........................................................................................................ 8-1
Wideband AC Voltage Module (Option 5730A/03 or 5730A/05)..................... 8-1
Accessories ........................................................................................................ 8-1
Low Thermal EMF Test Leads...................................................................... 8-2
Rack Mount Kits............................................................................................ 8-3
Shielded IEEE-488 Interface Cables (Y8021 and Y8022)............................ 8-3
DC Voltage Reference Standard (732B) ....................................................... 8-3
1 Ωand 10 kΩResistance Standards (742A-1 and 742A-10k)..................... 8-3
5725A Amplifier ........................................................................................... 8-4
52120A Amplifier ......................................................................................... 8-4
Appendices
A Fault Codes.................................................................................................. A-1
B ASCII and IEEE-488 Bus Codes................................................................. B-1
C Glossary....................................................................................................... C-1

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xi
List of Tables
Table Title Page
1-1. Symbols.................................................................................................................. 1-4
1-2. Auxiliary Amplifier Data....................................................................................... 1-6
2-1. Standard Equipment............................................................................................... 2-2
2-2. Line Power Cord Types Available from Fluke Calibration ................................... 2-3
3-1. Front-Panel Features .............................................................................................. 3-2
3-2. Rear-Panel Features ............................................................................................... 3-5
4-1. Auxiliary Amplifier Data....................................................................................... 4-5
4-2. UUT Connection Figures....................................................................................... 4-7
4-3. Sections of the Display........................................................................................... 4-14
4-4. Keys that Exit Error Mode..................................................................................... 4-33
5-1. Supported IEEE-488 Interface Function Subsets................................................... 5-3
5-2. RS-232 Interface Parameter Choices ..................................................................... 5-4
6-1. Functional Elements of Commands ....................................................................... 6-7
6-2. Interface Messages Accepted by the Calibrator..................................................... 6-8
6-3. Interface Messages Sent by the Calibrator............................................................. 6-9
6-4. Command Summary by Function .......................................................................... 6-11
6-5. Commands.............................................................................................................. 6-16
6-6. Serial Remote Control Commands......................................................................... 6-47
6-7. Range Identifiers for Remote Commands.............................................................. 6-47
6-8. Operating State Transitions.................................................................................... 6-49
6-9. Status Register Summary....................................................................................... 6-50
7-1. Replacement Fuses................................................................................................. 7-1
7-2. User-Replaceable Parts .......................................................................................... 7-4
7-3. Standards for Calibration ....................................................................................... 7-10
8-1. Accessories............................................................................................................. 8-2

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xiii
List of Figures
Figure Title Page
2-1. Available Mains Power Cord Types ...................................................................... 2-3
2-2. Line Power Label and Switch Location................................................................. 2-4
3-1. Front-Panel Features .............................................................................................. 3-1
3-2. Rear-Panel Features ............................................................................................... 3-5
4-1. UUT Connections: DC Voltage, AC Voltage ≤10 kHz ......................................... 4-8
4-2. UUT Connections: AC Voltage >10 kHz .............................................................. 4-9
4-3. UUT Connections: AC Current ≤2A...................................................................... 4-10
4-4. UUT Connections: Resistance ............................................................................... 4-11
4-5. UUT Wideband AC Voltage Output (5730A/03 Option)...................................... 4-13
4-6. UUT Connections: 5725A Amplified Current Output........................................... 4-13
4-7. Offset Error ............................................................................................................ 4-36
4-8. Scale Error.............................................................................................................. 4-37
4-9. Linearity Error........................................................................................................ 4-38
4-10. Meter Response vs. Stimulus................................................................................. 4-41
6-1. Overview of Status Data Structure......................................................................... 6-51
7-1. Access the Fuse...................................................................................................... 7-2
7-2. Air Filter Access .................................................................................................... 7-3
7-3. Replaceable Parts ................................................................................................... 7-5
7-4. 732B External Calibration Connections................................................................. 7-11
7-5. 742A-1 and 742A-10k External Calibration Connections ..................................... 7-12
7-6. 220 V DC Range Calibration Connections ............................................................ 7-16
7-7. Wideband Module Calibration Connection............................................................ 7-17
7-8. Wideband Flatness Calibration Connections ......................................................... 7-18

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1-1
Chapter 1
Introduction and Specification
Introduction
The Fluke Calibration 5730A Calibrator (the “Calibrator” or the “Product”) can calibrate
a wide variety of electrical measurement instruments. The 5730A Calibrator maintains a
high accuracy over a wide ambient temperature range. This accuracy lets the Calibrator
test instruments in any environment, and eliminates the restrictions to calibrate only in a
temperature-controlled standards laboratory. The Calibrator can calibrate precision
multimeters that measure ac or dc voltage, ac or dc current, and resistance. The Calibrator
also is available with a Wideband AC Voltage option which extends this workload to
include RF voltmeters.
Specifications are provided at the end of this chapter. The 5730A Calibrator is a fully-
programmable precision source of:
•DC voltage to 1100 V
•AC voltage to 1100 V, with output available from 10 Hz to 1.2 MHz
•AC and DC current to 2.2 A, with output available from 10 Hz to 10 kHz
•Resistance in values from 1 Ωto 100 MΩ, plus a short
•Optional wideband ac voltage from 300 μV to 3.5 V into 50 Ω(-57 dBm to
+24 dBm), 10 Hz to 30 MHz (5730A/03) or 50 MHz (5730A/05)
Features of the 5730A Calibrator include:
•Internal environmentally-controlled references that let the Calibrator maintain full
performance over a wide ambient temperature range.
•Automatic meter error calculation obtained through the use of a simple output adjust
knob.
•Keys that multiply and divide the output value by 10. This simplifies work on meters
with calibration points at decade multiples of a fraction of full-scale.
•Programmable entry limits used to restrict the levels that can be entered into the
Calibrator. This prevents access to levels that may be harmful to equipment or
personnel.

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1-2
•Continuous display of Calibrator specifications at the selected operation point,
calibration interval, and specification confidence level.
•An auxiliary current binding post to calibrate meters with separate current inputs
without the need to move cables.
•Real-time clock and calendar for date stamping reports and reminders issued to
perform the dc zeros calibration procedure within the required interval.
•Offset and scaling modes that simplify linearity tests of multimeters.
•Variable phase reference signal output and phase-lock input.
•Interface for the Fluke Calibration 5725A Amplifier.
•Interface for the Fluke Calibration 52120A Amplifier.
•Standard IEEE-488 (GPIB) interface, that complies with ANSI/IEEE Standards
488.1-1987 and 488.2-1987.
•EIA/TIA-574 Standard RS-232 serial data interface for remote control of the
Calibrator.
•Universal Serial Bus (USB) 2.0 high-speed interface device port for remote control of
the Calibrator.
•Integrated 10/100/1000BASE-T Ethernet port for network connection remote control
of the Calibrator.
•Extensive internal self-testing and diagnostics of analog and digital functions
•USB Host port to save calibration reports to a flash drive.
•Visual Connection Management output terminals illuminate to help show correct
cable connection configurations.
•Soft Power - automatic selection of line voltage/frequency.
•LCD Color VGA display with touch panel overlay.
•A traceable calibration procedure for all modes and ranges that requires only 10 V,
1 Ω, and 10 kΩexternal standards, with only occasional independent verification.
•Automated calibration check that provides added confidence between calibration
recalls, and data that can be used to document and characterize Calibrator
performance between calibration recalls.

Introduction and Specification
Safety Information 1
1-3
Safety Information
A Warning identifies conditions and procedures that are dangerous to the user. A
Caution identifies conditions and procedures that can cause damage to the Product or
the equipment under test.
Warnings
To prevent possible electrical shock, fire, or personal injury:
•Read all safety information before you use the Product.
•Carefully read all instructions.
•Do not use the Product around explosive gas, vapor, or in
damp or wet environments.
•Use this Product indoors only.
•Do not put the Product where access to the mains power
cord is blocked.
•Use only the mains power cord and connector approved for
the voltage and plug configuration in your country and rated
for the Product.
•Replace the mains power cord if the insulation is damaged
or if the insulation shows signs of wear.
•Make sure the ground conductor in the mains power cord is
connected to a protective earth ground. Disruption of the
protective earth could put voltage on the chassis that could
cause death.
•Do not use an extension cord or adapter plug.
•Do not operate the Product with covers removed or the case
open. Hazardous voltage exposure is possible.
•Do not use the Product if it operates incorrectly.
•Do not connect to live output terminals. The Product can
supply voltages that can cause death. Standby mode is not
sufficient to prevent electrical shock.
•Do not apply more than the rated voltage, between the
terminals or between each terminal and earth ground.
•Use only cables with correct voltage ratings.

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1-4
•Do not touch exposed metal on banana plugs, they can have
voltages that could cause death.
•Do not touch voltages >30 V ac rms, 42 V ac peak, or 60 V dc.
•Use the Product only as specified, or the protection
supplied by the Product can be compromised.
•Use only specified replacement fuses.
•Have an approved technician repair the Product.
Symbols
The symbols shown in Table 1-1 can be found in this manual or on the Calibrator.
Table 1-1. Symbols
Symbol Definition Symbol Definition
WARNING. RISK OF DANGER. WARNING. HAZARDOUS VOLTAGE.
Risk of electric shock.

This product complies with the WEEE
Directive marking requirements. The
affixed label indicates that you must not
discard this electrical/electronic product
in domestic household waste. Product
Category: With reference to the
equipment types in the WEEE Directive
Annex I, this product is classed as
category 9 "Monitoring and Control
Instrumentation" product. Do not
dispose of this product as unsorted
municipal waste.
Conforms to European Union
directives.
Certified by CSA Group to North
American safety standards. Conforms to relevant Australian EMC standards.
Conforms to relevant South Korean EMC Standards.

Introduction and Specification
How to Contact Fluke Calibration 1
1-5
How to Contact Fluke Calibration
To contact Fluke Calibration, call one of the following telephone numbers:
•Technical Support USA: 1-877-355-3225
•Calibration/Repair USA: 1-877-355-3225
•Canada: 1-800-36-FLUKE (1-800-363-5853)
•Europe: [phone]
•Japan: [phone]
•Singapore: [phone]
•China: [phone]
•Brazil: [phone]
•Anywhere in the world: [phone]
To see product information or download manuals and the latest manual supplements, visit
Fluke Calibration’s website at www.flukecal.com.
To register your product, visit http://flukecal.com/register-product.
Instruction Manuals
The 5730A Calibrator ships with:
•5730A Getting Started
•5730A Operators Manual (provided on CD-ROM or a printed copy is available for
purchase through the Fluke Calibration Service Department)
To order, refer to the Fluke Calibration Catalog or contact a Fluke Calibration sales
representative. See “How to Contact Fluke Calibration”.
This manual provides complete information to install and operate the 5730A Calibrator
from the front panel or with remote commands. It also provides a glossary of calibration-
related terms as well as general items such as specifications and error code information.

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1-6
Wideband AC Voltage Module (Option 5730A/03 or
5730A/05)
The Wideband AC Voltage Module (Option 5730A/03 or 5730A/05) can be installed in
the 5730A Calibrator. The module is a high-accuracy, low-noise, extremely flat ac
voltage source to calibrate RF voltmeters, with a frequency range of 10 Hz to 30 MHz
(5730A/03) or 50 MHz (5730A/05). Output is in seven ranges from 300 μV (-57 dBm) to
3.5 V (+24 dBm) through a Type-N coaxial connector into a 50 Ωload. The output level
is selected in volts or dBm through either the front panel controls or under remote
control.
The wideband module also functions with the Calibrator output adjust controls that
display the error of a wideband meter in either percentage of output or in decibels.
Included with the wideband module is a Type-N output cable, a 50 Ωterminator, an N(f)
to BNC(m) adapter, and a BNC(f) to double banana plug adapter. The wideband module
is calibrated to the end of its standard-equipment output cable.
Auxiliary Amplifiers
The Fluke Calibration Model 5725A and 52120A amplifiers are available to extend the
high voltage performance and current range of the 5730A Calibrator.
Interface connectors on the Calibrator rear panel accept cables to directly operate a
5725A and/or 52120A. Multiple amplifiers can be connected to the Calibrator at the same
time, but only one output can be active at a time. Once the amplifiers are connected and
configured in the Product Setup Menu, amplifier operation is controlled by the Calibrator.
A maximum of three 52120As can be connected to provide a maximum of 360 A rms ac
or 300 A dc current when their outputs are connected in parallel.
See Chapter 4 for instructions to operate both amplifiers. The general specifications at the
end of this chapter include specifications to operate the 5730A Calibrator with both
amplifiers. For other amplifier specifications, refer to their instruction manuals. Table 1-2
summarizes the extended capabilities offered by the 5725A and 52120A. Brief
descriptions of the extended capabilities follow.
Table 1-2. Auxiliary Amplifier Data
Model Mode Range
5725A Amplifier
AC Volts
20 V rms to 1100 V rms up to 70 mA, 40 Hz to
30 kHz (50 mA < 5 kHz)
220 V rms to 750 V rms up to 70 mA, 30 kHz to
100 kHz
DC Amps 0 A to ±11 A
AC Amps 1 A rms to 11 A rms, 40 Hz to 10 kHz
52120A
Transconductance
Amplifier [1]
DC Amps 0 A to ±100 A
AC Amps 0.2 A rms to 120 A rms, 10 Hz to 10 kHz
[1] Up to three 52120As may be connected, providing a total current of up to 300 A dc or 360 A rms.