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Fluke 2640A user manual 2645A Frequency Measurement Specifications

Models: 2645A 2640A

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Specifications

2645A Specifications A

2645A Frequency Measurement Specifications

A-28.

Tables A-37 to A-38 provide 2645A specifications for the frequency measurement function.

Table A-37. 2645A Frequency Accuracy Specifications

	Frequency Measurement Accuracy, 1 Year, -10ºC to 60ºC

Range		Resolution	Accuracy + (% input + Hz)
Range

Slow

Fast

Slow

Fast

15 Hz to 900 Hz

900 Hz to 9 kHz

9 kHz to 90 kHz

90 kHz to 900 kHz

1 MHz

0.01Hz

0.1Hz

1 Hz

10 Hz

100 Hz

0.1Hz

1 Hz

10 Hz

100 Hz

1 kHz

0.05%+0.02 Hz

0.05%+0.1 Hz

0.05%+1 Hz

0.05%+10 Hz

0.05%+100 Hz

0.05%+0.2 Hz

0.05%+1 Hz

0.05%+10 Hz

0.05%+100 Hz

0.05%+1 kHz

Table A-38. 2645A Frequency Sensitivity Specifications

Frequency Measurement Sensitivity (Sine Wave)

Frequency Range	Minimum Signal	Maximum Signal

15 Hz to 70 kHz

70 kHz to 100 kHz

100 kHz to 200 kHz

200 kHz to 300 kHz

300 kHz to 1 MHz

100 mV rms	30V rms

100 mV rms	20V rms

150 mV rms	10V rms

150 mV rms	7V rms

Linearly increasing from 150V	Linearly decreasing from 7V
ms at 300 kHz to 2V rms at 1	rms at 300 kHz to 2V rms at 1
MHz	MHz

A-25

Image 235

Fluke 2640A user manual 2645A Frequency Measurement Specifications

Contents

2640A/2645A NetDAQ Page Limited Warranty & Limitation of Liability Declaration of the Manufacturer or Importer Interference InformationSafety Terms in this Manual DC Power Source Table of Contents 2640A/2645A NetDAQ Configuring NetDAQ Logger for Windows Operating NetDAQ Logger for Windows Maintenance Index List of Tables 2645A AC Voltage Range and Resolution Specifications List of Figures Interconnection Using 10Base2 Coaxial Wiring Overview Contents2640A/2645A NetDAQ A/2645A NetDAQ Networked Data Acquisition Units IntroductionA/2645A Front Panel Instrument Features and CapabilitiesInstrument Features and Capabilities A/2645A Rear Panel Mx+B Scaling Analog ChannelsComputed Channels Channel NumberingTotalizer AlarmsChannel Monitoring Digital I/OTrigger Output Trigger InputExternal Trigger Master AlarmAlarm Trigger Interval TriggerOperating a NetDAQ Data Acquisition System NetDAQ Logger Features and CapabilitiesAsynchronous Instrument Operations Isolated NetworksGeneral Networks Ethernet Port SelectionRS-232 Interface Scanning and LoggingModel Options and AccessoriesModels, Options and Accessories Description Host Computer RequirementsHost Computer Ethernet Adapters Instrument Connector Set2640A/2645A NetDAQ Preparing for Operation Displaying the Totalizer Status Instrument Preparation Instrument Preparation Unpacking and Inspecting the Instrument Connecting to a Power Source and GroundingPositioning and Rack Mounting Connecting the Instrument to a Power Source AC PowerGrounding and Common Mode Voltage DC PowerUniversal Input Module Connections 2640A/2645A NetDAQ Universal Input Module Connections Wire and 4-Wire Connections Crosstalk Considerations Shielded WiringDigital I/O Connections Digital I/O Alarm/Trigger I/O ConnectionsTotalizer Trigger Input Trigger Output Master AlarmControls and Indicators External Trigger Wiring for a Group InstrumentExternal Trigger Wiring for a Group Instrument Key Front Panel ControlsAnnunciator Front Panel IndicatorsPreparing for Operation 2 Instrument Preparation Rear Panel Controls Rear Panel IndicatorsDefault Setting Front Panel Operating ProceduresPower-On Options Instrument Default Parameters12. Displaying a Monitor Channel Displaying a Monitor Channel13. Examples During Monitor 14. Displaying the Digital I/O Status Displaying the Digital I/O Status15. Examples for Digital I/O and Totalizer Status 16. Displaying the Totalizer Status Displaying the Totalizer Status17. Reviewing and Setting the Base Channel Number Reviewing and Setting the Base Channel Number18. Examples for Reviewing and Setting the BCN 19. Reviewing and Setting the Line Frequency Reviewing and Setting the Line Frequency20. Examples for Reviewing and Setting the Line Frequency 21. Reviewing and Setting the Network Type to Isolated Reviewing and Setting the Network Type22. Examples for Reviewing and Setting the Network Type 23. Reviewing and Setting the Network Type to General 2640A/2645A NetDAQ IP address display for setting an IP0 digit for example 25. Reviewing and Setting the General Network Socket Port Reviewing and Setting the General Network Socket PortReviewing and Setting the General Network IP Address Reviewing and Setting the General Network IP AddressReviewing and Setting the Subnet Mask and Default Gateway Preparing for Operation Comm 28. Viewing the Instrument Ethernet Address Viewing the Instrument Ethernet Address29. Examples for Viewing the Ethernet Address Host Computer and Network Preparation Installing Host Computer Ethernet Adapter30. Preparing for Network Operation SoftwareHost Computer/Instrument Direct Connection Instrument and Host Computer Interconnection31. Interconnection Using 10Base2 Coaxial Wiring 32. Host Computer/Instrument Direct Connection Interconnection Using 10BaseT Twisted-Pair Ethernet Wiring Interconnection Using 10Base2 Coaxial Wiring33. Interconnection Using 10BaseT Twisted-Pair Wiring Installing Host Computer Networking Software Setting Host Computer Networking Parameters Installing NetDAQ Logger Installing NetDAQ Logger with Trumpet Changing from an Isolated Network to a General Network Installing Trend Link for Fluke Optional Testing and TroubleshootingTesting the Installation Ds302s.bmp Preparing for Operation Troubleshooting Network Problems Reported Message Network Error Messages Comment Check Preparing for Operation 2 Testing and TroubleshootingInstrument 10BaseT Ethernet Ethernet Indicators Instrument 10Base2 Ethernet DescriptionEthernet Parallel-to LAN Adapter Troubleshooting Discussion Problem2640A/2645A NetDAQ Communications Configuration Dialog Box Configuring NetDAQ Logger for WindowsCopying a Channels Configuration Starting NetDAQ Logger Accessing NetDAQ Logger CommandsMain Window NetDAQ Logger Main Window Configuring Network CommunicationsAdding an Instrument to the Network Communications Configuration Dialog BoxClick Close to return to the Main Window Verifying Network Communications Deleting an Instrument from the NetworkCreating an Instrument Icon Configuring the Current SetupDesignating Instruments as Group or Asynchronous Deleting an Instrument IconDs016s.bmp Saving the Current Setup in a File Setup FilesOpening a Setup File Starting NetDAQ Logger with a Setup File Starting Logging Automatically NetDAQ Logger Command LineDimmed Configuration Commands Configuring an InstrumentInstrument Configuration Dialog Box Instrument Configuration Dialog Box Page Channels Configuration Dialog Box Configuring ChannelsConfiguring Analog Channel Functions Defining a Computed Channel Equation Configuring Computed Channel FunctionsEquation Syntax Allowed Configuring Mx+B ScalingConfiguring Alarms Assigning Channel Labels Configuring Mx+B Scaling From a FileEntering an Instrument’s Description Copying a Channels Configuration NetDAQ Logger Default Instrument Configuration Parameter Default Configuration SettingsDefault Values Saving an Instrument’s Configuration as a Text File Using Configuration LockoutConfiguration Text File Configuring the netdaq.ini File2640A/2645A NetDAQ Operating NetDAQ Logger for Windows 2640A/2645A NetDAQ Starting and Stopping Logging Starting or Stopping a Group Instrument Starting or Stopping all Instruments at OnceSimulated Logging Clearing an Instrument’s Totalizer ValueSelecting an Instrument’s Scanning Duration Real-Time Displays Logging Status Window Readings Table Window Spy Window Ds059s.bmp Quick Plot Dynamic Data Exchange DDE Operations Operating NetDAQ Logger for Windows Data Files Configuring a Data File Click Auto Rollover to open the Auto Rollover dialog box Ds063s.bmp Ds301.bmp Viewing and Printing a Data File Converting Data FilesOperating NetDAQ Logger for Windows Optimizing Performance Increasing Data Transmission and Storage Rate Optimizing PerformanceOptimizing Performance for Speed Increasing Scanning RateIncreasing Network Speed Using Online HelpOptimizing Performance for Precision 2640A/2645A NetDAQ Using Trend Link for Fluke 2640A/2645A NetDAQ Displaying a Trend Link Chart During Logging Playing Back a Trend Link File in Trend Link Playing Back a Fast Binary File in Trend Link Add the New Folder to the Trend Link infolink . ini File Playing Back an Ascii CSV File in Trend LinkImporting Trend Link Data Files Create a New Trend Link Data Set DirectoryImport the NetDAQ Ascii CSV File into Trend Link Display the Trend Link Chart for the Imported FileTitle the Trend Link Chart Exporting Trend Link Data Files Save the Trend Link ChartDs128s.bmp Deleting Old Trend Link Files Using the Trend Link Control Bar Getting the Right Look for Your Trend Link ChartControl Bar 2640A/2645A NetDAQ Adjusting the Curve Time Scale X-axis Using the Trend Link MenusAdjusting the Curve Amplitude Scale Y-axis Configuring the Curve Status Display Curve Preferences Ds135s.bmp Ds136s.bmp Background Preferences Ds137s.bmp Adding or Changing the Chart Title Real Time Frequency UpdatePrinting a Chart Using the Note SystemDs140s.bmp Click OK to print the chart Maintenance Totalizer Sensitivity Test Master Alarm Output Test Error Code Self-Test Error Codes Error Description Introduction Self-Test Diagnostics and Error CodesFuse Replacement CleaningPerformance Test Performance Test Configuring the Performance Test SetupAC Voltage Minimum Specifications DC VoltageRecommended Test Equipment Instrument Type Recommended ModelWire Connections to 5700A Performance Test SetupInitializing the Performance Test Setup 2640A/2645A NetDAQ Volts DC Accuracy Test 2640A Accuracy Performance TestsMinimum Reading Volts DC Accuracy Test 2645AVolts DC Range 5700A OutputVolts AC Accuracy Test Volts AC Range Frequency Accuracy TestFrequency Range 5700A Output Autorange Only 1V@10 kHz Computed Channel Integrity Test Analog Channel Integrity TestOpen Thermocouple Response Test Thermocouple Temperature Accuracy TestResistance Range Wire Resistance Accuracy Test 2640ADecade Resistor Wire Resistance Accuracy Test 2645A 30 kΩ 300 kΩ Wire Connections to the Universal Input Module Resistor Wire 4W ConnectionInput Module 289.861Ω 89849 kΩ 28.9834 kΩ 289.621 kΩ 300Ω Simulated Temperature C RTD Temperature Accuracy Test Resistance 2640ADecade Resistance Source Value RTD Temperature Accuracy Test DIN/IEC 751 RTD RTD Temperature Accuracy Test Resistance 2645ADigital I/O Output Test Digital Input/Output TestsDigital Input Test Totalizer Count Test Totalizer TestsTotalizer Sensitivity Test Connect Test Leads to ALARM/TRIGGER I/O Connector Remove Master Alarm Output TestTrigger Output Test Trigger Input TestCalibration Adding Calibration to the Utilities Menu Calibration Steps Dialog Box Instrument Calibration Dialog BoxVariations in the Display ServiceUSA Replacement Parts Description Replacement PartsPart Number Appendix Title Appendices2640A/2645A NetDAQ 2640A/2645A Combined Specifications Specifications2640A/2645A General Specifications Characteristic Table A-1 A/2645A General SpecificationsSpecifications 2640A/2645A Environmental SpecificationsTable A-3 A/2645A Digital I/O Specification Table A-2 A/2645A Environmental Specifications2640A/2645A Input/Output Capabilities Trigger Table A-4 A/2645A Trigger In TI SpecificationTable A-6 A/2645A Master Alarm MA Specification Table A-5 A/2645A Trigger Out to SpecificationTrigger Out 2640A/2645A Real-Time Clock and Calendar 2640A SpecificationsTable A-7 A/2645A Totalizer Specification 2640A/2645A TotalizerResolution 2640A DC Voltage Measurement SpecificationsTable A-9 a DC Voltage Measurement General Specifications Table A-10 a DC Voltage Range and Resolution SpecificationsTable A-12 a AC Voltage General Specifications 2640A AC Voltage Measurement SpecificationsMinimum Input for Rate Accuracy Specifications Full Scale Voltage 2640A 4-Wire Resistance Measurement SpecificationsResolution Slow Fast Current Applied2640A 2-Wire Resistance Measurement Specifications Table A-20 a Thermocouple General Specifications Slow Fast 2640A Frequency Measurement Specifications 2645A DC Voltage Measurement Specifications 2645A SpecificationsTable A-24 a DC Voltage Measurement General Specifications 20 µV 200 µV 20 mV Table A-27 a AC Voltage General Specifications 2645A AC Voltage Measurement SpecificationsTable A-28 a AC Voltage Range and Resolution Specifications 2645A 4-Wire Resistance Measurement Specifications 2645A 4-Wire RTD per ITS-1990 Measurement Specifications 2645A 2-Wire Resistance Measurement SpecificationsTable A-35 a Thermocouple General Specifications Fast Slow 2645A Frequency Measurement Specifications 2640A/2645A NetDAQ Static Versus Dynamic Measurements Noise, Shielding, and Crosstalk ConsiderationsNoise and Shielding Crosstalk Considerations Volts DC Table B-1 a Crosstalk Specifications VAC/FrequencyTemperature Ohm RTD Temperature Thermocouple20 kΩ Effects of Internal Noise in AC Measurements True-RMS MeasurementsWaveform Comparison True RMS vs Average Responding C-3 2640A/2645A NetDAQ True-RMS Measurements 2640A/2645A NetDAQ Fixed-385 RTD RTD LinearizationTemperature Degrees C Error Degrees C Accuracy Envelope Custom RTD, 385 ProbeCustom-385 RTD Error Degrees C Using the Custom-385 RTD with Other Platinum RTDsAccuracy Envelope Custom RTD, 375 Probe Figure D-3 RTD Accuracy Envelope Custom RTD, 391 ProbeFigure D-4 RTD Accuracy Envelope Custom RTD, 392 Probe2640A/2645A NetDAQ Computed Channel Equations ABS EXP INT LN LOG SQR File Format Data File Format2640A/2645A NetDAQ Topics Service NameDynamic Data Exchange DDE DDE Links ReferenceDDE Example Using Excel Dynamic Data Exchange DDE Ds312c.eps Ds072c.bmp 2640A/2645A NetDAQ UTP Cables Ethernet CablingFigure H-1 BaseT Ethernet Cables NetDAQ and Network Communication Techniques Network ConsiderationsNetDAQ and Your Network Administrator Network Primer Network Interconnection Devices Physical Layer Wiring Schemes Supported by NetDAQBasic Network Packet and Frame Contents IP Addresses and Segmented Networks Net ID Host ID Available Subnets Class ValueAvailable Hosts 2640A/2645A NetDAQ Drivers Ethernet Adapter Hardware for the PC2640A/2645A NetDAQ TCP/IP Protocol Stack 2640A/2645A NetDAQ Winsock DLL and Application Programming Interface 2640A/2645A NetDAQ Running Two Network Cards in a PC Troubleshooting Information Troubleshooting Information 2640A/2645A NetDAQ Handling Token Ring Networks Newt Networking Software Newt TCP/IP vs. Novell NetWare Newt TCP/IP vs. Banyan Vines Newt TCP/IP vs. Microsoft LANManagerNewt TCP/IP vs. Windows for Workgroups Newt TCP/IP vs. Windows for Workgroups and Novell NetWare Installing Newt Networking SoftwareNetwork Considerations 2640A/2645A NetDAQ Network Considerations 2640A/2645A NetDAQ Network Considerations DEVICE=C\NETMANAG\NETMANAG.DOS Glossary 2640A/2645A NetDAQ Network Considerations 2640A/2645A NetDAQ Network Considerations 2640A/2645A NetDAQ Full-Disk Error Messages & Exception ConditionsError Conditions Communications ConnectionError and Status Messages Board Failure! Continue? File Name is not a valid Ascii fileFile Name is not a valid Binary file 4W Measurements not allowed on ChannelsReference Balance Values Invalid! Continue? All associated configurations will be lost. Continue?Zero Offsets Invalid! Continue? Are you sure you want to Delete All? All Slave instruments will become Async. Continue?Analog Processor not responding! Continue? Analog Processor not respondingBase Channel Number must range from 1 to Associated icon will change to the new number. Continue?Attempt to start Trend Link failed Bad calibration input value Check your sourceCannot access specified drive Drive for Trend Link data Boot ROM Failure! Continue?Calibration Constants Corrupted! Continue? Cannot create Trend Link Data Set dummy file File Name Cannot change Configuration while loggingCannot create data file Cannot create file File NameCannot open file File Name Cannot open data fileCannot write to NETDAQ.INI file! Check file permissions Communication Parameters Corrupted! Continue? Communication InterruptionConnection is Down Configuration will be lost! Delete anyway?Connection Successful Current Master instrument will become a Slave. Continue? Constant too LargeConversion is complete Converting File % CompleteDemo Version of NetDAQ Logger will stop after 60 minutes Current Master instrument will become Async. Continue?Currently logging instruments will be stopped Demo Version of NetDAQ Logger 60 minutes is upEthernet Parameters Corrupted! Continue? Error registering window classError returned from Trend Link function Error Ethernet Chip Failure! Continue?Front Panel Display Not Responding! Continue? Existing data file is not compatible for appendingFile Size must be between 200 Front Panel Display Failure! Continue?Instrument is busy completing its last received command Instrument BCN does not match! Reconfigure CommunicationsInstrument BCN already has this filename Instrument not found Instrument model does not match! Reconfigure CommunicationsInstrument Scan Queue Overflow! Newest scans discarded Instrument Scan Queue Overflow! Oldest scans overwritten Invalid Alarm ValueInvalid Maximum Value for Scaled Range Invalid Channel NumberInvalid Equation Invalid Factor M ValueInvalid Plot Maximum Value Invalid Minimum Value for Scaled RangeInvalid Minimum Value for Input Range Invalid Offset B ValueMissing channel number reference Low on memoryMaximum number of Instruments reached Min. Free Disk Space must be between 0NetDAQ Logger software is outdated for this instrument Missing right parenthesisMust Select Function for Monitor Channel Mx+B Load File is InvalidNo instruments are available for association Not responding to commandPerforming Rollover Out of Memory! Close another application and try againPlot Maximum must be larger than Plot Minimum RAM Failure! Continue? Reconfigure Communications to include this instrumentRAM Constants Corrupted! Continue? RAM Constants CorruptedSampling interval must range from 1 to 3600 seconds ROM Failure! Continue?RTD Alpha value must range from 0.00374 to RTD R0 value must range from 10 to 1010 OhmsSelect at least one trigger type Setup File Is InvalidSetup has changed. Save the changes? Socket ErrorTime Interval must be between 1 Socket Port Number must range from 1024 toThere are no Trend Link data files to be initialized This Base Channel Number is already in useTrend Link file prefix must be 7 characters or less Token String is too LargeUnable to get a Trend Link DLL function address Unable to Create Configuration Text FileUnable to create Trend Link Data Set chart file File Name Unable to communicate with instrumentUnable to Open Mx+B File Unable to open Communications Configuration FileUnable to load Trend Link DLL Unable to open communications socket with instrumentUnable to Write to Data File! Check disk space Unable to Open Setup FileUnable to Write to Configuration Text File Unable to stop scanningUnknown Communication Error Unable to Write to Setup FileUncalibrated or Calibration Incomplete! Continue? Winsock.dll not found Window creation failedFluke Service Centers China Belgium CanadaChile BoliviaFrance EgyptFed. Rep. of Germany FinlandNetherlands IsraelMexico ItalyPortugal Philippines SpainPoland SwedenVietnam Zimbabwe Uruguay West IndiesVenezuela YugoslaviaIndex 2640A/2645A NetDAQ Index 2640A/2645A NetDAQ Index 2640A/2645A NetDAQ Index 2640A/2645A NetDAQ Instrument Parameter Record Isolated Network Instrument Parameter Record General Network Instrument Parameter Record General Network Instrument Parameter Record General Network Instrument Parameter Record General Network General Network Parameter Record General Network Parameter Record