Fluke 45 user manual Options and Accessories, Where to go from Here, Model Accessories Description

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45

Users Manual

•100,000, 30,000, and 3,000 selectable count resolution, with display reading speeds of 2.5, 5, and 20 readings per second (rps), respectively.

•Built-in self-tests with closed-case calibration (no internal calibration adjustments).

Options and Accessories

Two options are available. These options can be installed in the meter at the factory or by the customer on site:

•The IEEE-488 Interface (Option -O5K) provides full programmability, and automated calibration. The IEEE-488 computer interface command set is identical to the RS-232 interface commands wherever possible.

•The Battery Kit (Option -01 K) consists of a rechargeable, 8 V, lead-acid battery, with battery bracket and charger assembly. The battery has a typical operating time of eight hours and is fully operable at ambient temperatures between 0 and 50 °C. For complete battery specifications, refer to Appendix A.

Available accessories are listed and described in Table 1-1.

Model

Table 1-1. Accessories

Description

C40

M00-200-634

RS40

RS41

S45

Y8021

Y8022

Y8023

Soft carrying case. Provides padded protection for the meter. Includes a pocket for the manual and pouch for the test leads and line cord.

Rackmount Kit. Allows meter to be mounted on either the right or left side of a standard 19-inch rack.

RS-232 terminal interface cable. Connects the Fluke 45 to any terminal or printer with properly configured DTE connector (DB-25 socket), including an IBM PC® , IBM PC/XT® or IBM PS/2 (models 25, 30, 5O, P60, 70, and 80).

RS-232 modem cable. Connects the Fluke 45 to a modem with properly configured DB-25 male pin connector.

QuickStart ™ , a PC software package, simplifies operation of the Fluke 45 when using the RS-232 computer interface. Readings are recorded in files that can be accessed by Lotus 1-2-3® , dBase lll® and other graphics packages.

Shielded IEEE-488 one-meter (39.4 inches) cable, with plug and jack at each end.

Shielded IEEE-488 two-meter (78.8 inches) cable, with plug and jack at each end.

Shielded IEEE-488 four-meter (13 feet) cable, with plug and jack at each end.

Where to go from Here

This manual has been organized to assist you in getting started quickly. It is not necessary for you to read the entire manual before using the meter effectively. However, we recom- mend that you do so in order to use your meter to its full advantage.

Begin by scanning the Table of Contents to familiarize yourself with the organization of the manual. Then, read Chapter 2, "GETTING STARTED". Refer to the appropriate chapter of the manual as needed. The contents of each chapter are summarized below.

Chapter 1: Introduction

Introduces the Fluke 45 Dual Display Multimeter, describing its features, options, acces- sories, and users manual.

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Contents Dual Display Multimeter Limited Warranty & Limitation of Liability Declaration of the Manufacturer or Importer Table of Contents Applications Appendices List of Tables Page List of Figures Introducing the Fluke 45 Dual Display Multimeter IntroductionModel Accessories Description Options and AccessoriesWhere to go from Here Maintenance Appendices Page Multimeter Safety Getting Started IntroductionFront Panel Turning the Meter on Using the PushbuttonsSummary of Basic Pushbutton Operations Taking Some Basic Measurements Selecting a Measurement RangeAutomatic Input Terminal Selection Measuring Current Diode/Continuity TestingMeasuring Voltage, Resistance, or Frequency Freq Continuity Testing Rack Mounting Operating the Meter Under Battery Power OptionalPage Front Panel Operations Operating the Meter From the Front PanelSecondary Display DisplayPrimary Display Remote SMF Input Terminals Input TerminalsInput Limits Selecting a Measurement FunctionRanging AutorangingFunction Buttons Frequency Ranges and Full Scale Values Slow and Medium Slow Reading Rate Range Full ScaleOhms Ranges and Full Scale Values Fast Reading Rate Medium Reading Rate Range Full ScaleFrequency Ranging Measuring FrequencyManual Ranging Frequency Measurement Rates Frequency Measurement RatesMeasuring Frequency of Current 100 mA and 10A Inputs Frequency Sensitivity SelectionMaximim Input Voltage Selecting a Function ModifierMaximum Sinewave Inputs for Frequency Measurements Range Function Modifier Selection Buttons REL Relative Readings ModifierReference Impedances in Ohms DB Decibels and Audio Power ModifierMN MX Minimum Maximum Modifier Using Function Modifiers in CombinationHold Touch Hold Modifier Selecting a Measurement Rate Rate Using the SButton10. SButton Operations PushbuttonsList and Number Editors Using The Compare Comp FunctionUsing the List Editor Using the Number Editor Changing the Power-Up Configuration Power-Up ConfigurationFactory Settings of Power-Up Configuration Calibration 13. Power-Up Configuration Set at Factory ParameterConfigurations Applications Using the Dual DisplayDual Display Showing Volts AC and Frequency Using Measurement Functions in CombinationApplications Sample Dual Display Applications Primary DisplayResponse Times DC Voltage and DC Current Measurement on Input SignalHow the Meter Makes Dual Display Measurements Slow Med Fast Slow Rate Auto Single Range1 Range2 Medium Rate Fast RateExternal Trigger Update Rate in the Dual Display ModeAll Thermal VoltagesCorrecting for Test Lead Resistance When Measuring ResistanceTwo-Wire Configuration True RMS MeasurementsWaveform Comparison True RMS vs. Average-Responding Meters Effects of Internal Noise in AC MeasurementsCalculated AC + DC RMS Measurements True RMS Measurements Page Computer Interfaces Local and Remote OperationsPreparing the Meter for Operations via the RS-232 Interface Setting Communication Parameters RS-232Factory Settings of RS-232 Communication Parameters Factory SettingRS-232 Print-Only Mode RS-232 Prompts Device Clear Using C Cntrl CCabling the Meter to a Host or Printer RS-232 Character Echoing and DeletionEnabling the IEEE-488 Interface Installing the IEEE-488 InterfacePreparing the Meter to be Operated via IEEE-488 Interface IEEE-488 Operating LimitationsCabling the Meter to a Host Getting Started With An Installation TestInstallation Test for RS-232 Operations Installation Test for IEEE-488 OperationsInput Terminators How the Meter Processes InputIf Test Fails Input StringsSending Numeric Values to the Meter Sending Command Strings to the MeterTypical IEEE-488 Input Strings Page Typical IEEE-488 Input Strings External Triggering from the Front Panel How the Meter Processes OutputTriggering Output External Triggering via the Computer Interface Setting the Trigger Type ConfigurationRear Trigger Service Requests IEEE-488 Only and Status RegistersSettling Delay Trigger TypeStatus Register Summary Read CommandWrite Command Enable RegisterESB MAV 3 2 1 Event Status and Event Status Enable Registers Event Status and Event Status Enable RegistersTrue Set to 1 Conditions Status Byte RegisterReading the Status Byte Register Description of Bits in ESR and ESE Bit No NameTrue Set to 1 Condition Service Request Enable RegisterDescription of Bits in the Status Byte Register Bit No Name IEEE-488 Capabilities and Common Commands Computer Interface Command SetIEEE-488 Interface Function Subsets IEEE-488 Common CommandsNumber State 10. IEEE-488 Common Commands11. Function Commands and Queries Primary Secondary Display Function Commands and QueriesFunction Modifier Commands and Queries Value Ref Impedance Command12. Function Modifier Commands and Queries Description 12A. Reference Impedance Values Ref ImpedanceMIN Frequency Range Range and Measurement Rate Commands and QueriesOhms Range Current Range14. Measurement Queries Description 13. Range and Measurement Rate Commands and QueriesMeasurement Queries 16. Trigger Configuration Commands Description Compare Commands and QueriesTrigger Configuration Commands 15. Compare Commands and Queries DescriptionMeasurement Function Miscellaneous Commands and Queries17. Miscellaneous Commands and Queries Description 16A. Measurement Units Output with Format18. Remote/Local Configuration Commands Description RS-232 Remote/Local ConfigurationsSample Program for RS-232 Computer Interface Sample Program Using the RS-232 Computer InterfaceSample Programs for IEEE-488 Computer Interface Sample Programs Using the IEEE-488 Computer InterfaceAam25s.tif Aam26s.tif Aam27s.tif Operating the Meter Using the Computer Interface Line Fuse Introduction CleaningCurrent Input Fuses Testing Current Input FusesFront Panel Input Terminal Replacing the 100 mA Input FuseReplacing the 10 a Input Fuse Performance Tests Self-Test Diagnostics and Error CodesError No Self-Test Error Codes Meaning Min Max ServiceInput Level FrequencyUsing decades 300 Ω Short 30 kΩ Min Max 29.982 30.018 Replacement PartsReplacement Parts Performance Tests for mA Current FunctionsTM1 TM2 TM3 TM4 TM5 Appendices Page Response Times Display Counts and Reading RatesRS-232 and IEEE-488 Reading Transfer Rates Input Impedance Normal Mode Rejection RatioCommon Mode Rejection Ratio DC VoltageAccuracy Decibel ResolutionTrue RMS AC Voltage, AC-Coupled Maximum InputAC + DC Voltage Accuracy Maximum Crest Factor Common Mode Rejection RatioDecibel Reference Resistance Accuracy DC CurrentAC Current Range SlowRangeFrequency Slow Accuracy Medium Fast Maximum Crest Factor Maximum InputDiode Test/Continuity OhmsSensitivity Level of AC Current FrequencySensitivity of AC Voltage Environmental Options GeneralASCII/IEEE-488 Bus Codes Page ASCII/IEEE-488 Bus Codes B Implementation of Ieee Standard IEEE-488.2 Device Documentation RequirementsNumeric Response Data Measurement *RDT and *RAT? commands are not implemented
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45 specifications

The Fluke 45 is a versatile and high-precision Digital Multimeter that is designed for a wide range of applications in electrical testing, troubleshooting, and maintenance. Known for its reliability and advanced features, the Fluke 45 is an essential tool for engineers, technicians, and professionals who require accurate measurement capabilities.

One of the standout features of the Fluke 45 is its ability to measure both AC and DC voltage and current. With a maximum input voltage of 1000 volts and current ranges up to 10 amps, users can conduct a variety of electrical tests with confidence. The device is equipped with an intuitive dual display, allowing for simultaneous viewing of multiple measurements. This feature enhances usability during complex diagnostics.

The Fluke 45 also boasts an impressive resolution of 0.1 mV and a basic accuracy of 0.25%, which translates to highly reliable readings. The auto-ranging capability simplifies the measurement process, automatically selecting the appropriate range based on the input signal, thus saving time and reducing user error.

In addition to voltage and current measurements, the Fluke 45 features resistance measurement capabilities, with a range of up to 40 MΩ. This makes it an effective tool for testing circuits, identifying faults, and ensuring the integrity of electrical systems. The continuity test function, complete with a built-in beeper, assists in quickly diagnosing wiring issues.

Another remarkable characteristic of the Fluke 45 is its frequency measurement capabilities, which can measure frequencies up to 1 MHz. This is particularly useful in applications involving signal analysis and troubleshooting oscillators.

Moreover, the Fluke 45 is designed with user convenience in mind. It is lightweight and portable, making it easy to carry around, whether on a job site or in a workshop. The rugged construction, reinforced with high-quality materials, ensures it can withstand harsh conditions often encountered in the field.

To enhance functionality, the Fluke 45 features a data hold function that freezes the displayed measurement for easier reporting. Additionally, it can store data for later retrieval, making it convenient for users who need to compile test results over time.

In summary, the Fluke 45 Digital Multimeter is an advanced instrument that combines precision, versatility, and user-friendly design. Its wide measurement capabilities, high accuracy, and durable build make it an invaluable tool for professionals in diverse electrical and electronic applications. Whether for routine maintenance or complex troubleshooting, the Fluke 45 stands out as a reliable partner in achieving accurate and efficient results.
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