Key | Fluke 2625A, 2620A manual

2620A/2625A

Users Manual

ASCII & BUS CODES

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					COMMANDS COMMANDS											ADDRESSES									ADDRESSES								OR COMMANDS
								KEY						decimal			38				26	hex
																	38				26	1722A DISPLAY
																		&				1722A DISPLAY
																	&	&
														ASCII			&			MLA6
														ASCII
																																					oo25f.eps

B-2

Image 170

Fluke 2625A, 2620A user manual Key

2625A, 2620A specifications

The Fluke 2625A is a sophisticated data logger designed for a wide range of industrial and laboratory applications. This versatile instrument excels in capturing and monitoring temperature and voltage measurements with precision and reliability. One of its standout features is its ability to record data from various sensors, making it ideal for environments where comprehensive data acquisition is critical.

Equipped with a large LCD display, the Fluke 2625A provides clear and user-friendly access to real-time measurement data. Its graphical interface allows users to visualize trends and monitor readings easily, which significantly enhances usability. The device supports a variety of input types and can connect to thermocouples, RTDs, and other sensors, offering great flexibility for various measurement tasks.

The Fluke 2625A employs advanced measurement technologies that ensure accuracy in data logging. With a high sampling rate, it captures fast-changing signals while maintaining data integrity. The device features a built-in memory that allows for extensive logging, accommodating long-term monitoring tasks without requiring constant oversight. Users can set it to log data at specified intervals, offering customizable solutions for different monitoring needs.

Another significant characteristic of the Fluke 2625A is its robust communication capabilities. The device supports USB and RS-232 interfaces for easy connectivity with computers and other devices, making data transfer and analysis seamless. This feature is especially beneficial for users who need to compile or analyze large sets of data quickly.

Furthermore, the Fluke 2625A is designed with durability in mind. Its rugged construction makes it suitable for challenging environments, including those with high levels of vibration, dust, or moisture. This reliability ensures that the device can withstand the rigors of fieldwork while still delivering accurate measurements.

In summary, the Fluke 2625A is a powerful data logger that combines versatility, accuracy, and reliability. Its user-friendly interface, advanced measurement technologies, and robust design make it an essential tool for professionals in various industries, from manufacturing and HVAC to research and development. Whether monitoring temperature changes in a laboratory or assessing voltage levels in an industrial setting, the Fluke 2625A stands out as a trusted solution for effective data logging and analysis.

Contents

2620A/2625A Limited Warranty & Limitation of Liability Table of Contents 2620A/2625A Operating the Instrument from the Front Panel Additional Considerations Index List of Tables Performance Tests Voltage, Resistance, and Frequency List of Figures Interference Information Safety Terms in this Manual Symbols Marked on Equipment Use the Proper Power Cord 2620A/2625A AC Power SourceDC Power Source Use the Proper Fuse Introduction Setting Up a ChannelGetting Started Basics Selecting the Scan Data Destination Taking Measurements Viewing Minimum, Maximum, and Last Data Values Last MIN MAX Xvi Introduction 2620A, 2625A Hydra Series II Data Logger Options and AccessoriesHydra Series II Data Acquisition Unit Hydra Features Accessories Description Where to go From HereAccessories Model Getting Started Using the Computer InterfaceMaintenance Introduction Overview 2620A, 2625A Introduction Setting Up the InstrumentAdjusting the Handle Unpacking and Inspecting the Instrument Line Power Front/Rear Panel Features Instrument Configuration Buttons Active Mode ButtonsPower Button PRINT/COMMUNICATIONS Buttons Channel Configuration Buttons Auto MON REM Scan SET Display Annunciators Func Alarm OFF Auto LimitMON Scan SET HI, LO Review MIN, MAX Last PRN EXT REM CAL Input Channels Operating ModesTurning the Instrument On Left Display Front Panel DisplayReading the Display Right Display Selecting a Channel Using the ButtonsFront Panel Buttons Front Panel Pushbuttons Setting up a Channel Setting up a Channel Setting Alarm Limits and Mx+B Scaling Values Alarm Limits Setting the Scan Interval Mx+B Scaling Reviewing Channel Data Using the Monitor FunctionUsing the Scan Function Activate Using External DC PowerViewing the Totalizer Count Review Array Review Points Using the Rack Mount Kit Operating the Instrument from the Front Panel Entering and Changing Numeric Values 2620A, 2625A Configuration Mode Other Displayed Data What is the Present Configuration?Channel Configuration Digital I/O Line Assigned to Channels Configuration Reset SettingsPower on Select DC Voltage, AC Voltage Function RangePress These Buttons OFF From Resistance Frequency Press Buttons OFF Select RTD Temperature Type Terminals Setting AlarmsAlarm Limits Alarm Indications Alarm Selection ChannelAlarm Resetting Alarm Conditions Using the Digital I/O Lines Initial Alarm Assignments, Digital I/O Lines 4 Through To define the scaling valuesPage Press These Buttons To Select Instrument ConfigurationEntering and Changing Numeric Values Sign, M Decimal Multiplier Value Point Position Hour Selecting Scan IntervalSelecting the Measurement Rate 10. Scan Interval Minute External Triggering Changing the Temperature UnitTriggering 11. Measurement Rate Selection Date/Time Selection Year Month.Day Hour.Minut Setting Date and Time of DayMeasurement Connections Mn.dY Hr.nn DC Volts, AC Volts, Frequency, and Thermocouples Strain Relief Input Module Connections Positive Lead Color Resistance and RTD14. Thermocouple Ranges Positive Lead Type Material Negative Lead Material 11 12 13 14 15 16 17 18 19 11 12 13 14 15 16 17 18 19 3 4 5 6 7 8 9 General TotalizingReview Array Connections List Button Functions Activate Note 15. Review Array Review Points 16. List Button Operation Autoprint Memory Storage Front Panel Monitor Only Function Front Panel Lock out ConditionsFront Panel Review Only Function Computer Interface-Initiated Lockouts REM AnnunciatorCalibration 2620A, 2625A Using the Computer Interface Computer Interface Command Set Types of Computer Interface Using the RS-232 Computer InterfaceFront Panel and Computer Interface Operations Parity = No Setting Communication Parameters RS-232Parity = E or Odd Autoprint Output Format Autoprint and Memory Storage RS-232Autoprint Computer Interface Control Memory Storage Computer Interface Control Memory Retrieval Cabling the Instrument to a Host or Printer RS-232 Memory Full OperationClearing Memory RS-232 Information Installation TestDevice Clear Using Ctrl C Character Echoing Installing the IEEE-488 Interface Using the IEEE-488 InterfaceSample Program Using the RS-232 Computer Interface RS-232 Prompts Sample Program Gosub Capability IEEE-488 Setup BaudAddressEnabling the IEEE-488 Interface IEEE-488.1 Capabilities Description General Information RS-232 and IEEE-488 How the Instrument Processes Input Typical Input Strings Input StringsInput Terminators Intvl 0, 10, 0 Scan 1 LAST? Func 1, OHMS, 3Func 1, TEMP, PT, 2 RTDR0 12 Sending Input Strings to the Instrument How the Instrument Processes Output Service Requests IEEE-488 only and Status Registers ESB Bit Name Event Status and Event Status Enable RegistersStatus Byte Register Status Byte Register Description Reading the Status Byte Register Event Status Register Description Service Request Enable Register Instrument Event Register Computer Interface Command Set Instrument Event Register IER Command and Query Summary Rate LockLOCK? RATE? Reviewclr Tempconfig TEMPCONFIG?Format FORMAT? Intvl INTVL? Scan SCAN? SCANTIME? Field Description Command and Query ReferenceESE? ESR? IDN? OPC OPC? RST Computer Interface Command Set SRE? STB? TRG TST? ALARMS? Limit ALARMASSOC? channel,limitnum Channel LO OFF Date Dolevel Echo Format VAC FORMAT? Func Measurement Units StringVDC Ohms FUNC? IEE TEMP, VAC, VDC, OHMS, FREQ, OFF IEE? IER? Intvl INTVL? LAST? Lock LOCK? Locs LOG? LOGGED? LOGBIN? Logclr LOGCOUNT? Logmode LOGMODE? Lwls MAX? MON MONCHAN? MONVAL? Print PRINT? Printtype Store Scans Rate RATE? RTDR0 RTDR0? Code Display MAX Offset Value Scan SCAN? SCANTIME? Tempconfig TEMPCONFIG? Time TIMEDATE? Total TOTAL? Totaldbnc TOTALDBNC? Trigger Returns an integer representing the present trigger type Additional Considerations 2620A, 2625A Front Panel Trigger Control Measurement RateAdvanced Trigger Mechanisms Computer Interface Trigger Control Both External and Monitor Alarms Disabled Type External Trigger Enabled Type High Valid External Triggers Scan Time LOW Ignored Scan Falling Progress Edge Thermal Voltages When Measuring Resistance or Temperature RTDMonitor Alarm Enabled Type When Measuring Resistance or Temperature Rtd Waveform Comparison True RMS vs Average Responding True RMS MeasurementsEffects of Internal Noise in AC Measurements Ohms Test Voltage Range Making Mixed Measurements Comparison of Common Waveforms Isolated and Shielded Sensor Configuration Using Shielded WiringNon-Isolated Sensor Configuration General Rule More Detail Maintenance Thermocouple Measurement Range Accuracy Test 2620A, 2625A Line Fuse Introduction CleaningSelf-Test Diagnostics and Error Codes Performance Tests Replacing the Line Fuse Error Power-Up Error Codes Description Performance Tests Recommended Model Recommended Test Equipment Minimum SpecificationInstrument Type Instrument Type Recommended Model Accuracy Verification Test Channel Integrity Test MIN MAX Thermocouple Measurement Range Accuracy Test Performance Tests Voltage, Resistance, and Frequency Func 0,VDC,I100MV CR MON 1,0 CR MONVAL? CR Terminal Resistance Test Thermocouple Temperature Accuracy Test OFF Comp Wire5700A Sense Source Open Thermocouple Response Test Decade Resistance BOX Hydra Input Module RTD Temperature Accuracy Test Year @ 18-28C Year @ 18-28 Degrees C RTD Temperature Accuracy Test Using DIN/IECDigital Input/Output Verification Tests Digital Output Test Digital Input Test Totalizer Test Digital Input Values Dolevel 0,0 CR Dolevel 0,1 CR Totalizer Sensitivity Test Dedicated Alarm Output Test Dedicated Alarms Output Test 2 3 4 5 6 7 Σ + 0 1 2 3 TR External Trigger Input Test 2 3 4 5 6 7 Σ Service Variations in the Display Appendices Appendix TitlePage Response Times SpecificationsAccuracies at Ambient Temperatures Other Than Specified DC Voltage Inputs Thermocouple Inputs Year Slow Year Fast 2620A/2625A Open Thermocouple Detect Common Mode and Normal Mode RejectionRTD Inputs Type AC Voltage Inputs Wire AccuracyRange Resolution Slow Fast IEC 751, Amendment 2, 100 e Platinum ITS-90 Range Frequency Year Accuracy ±% ± 18C to 28C 0C to 60C Slow Fast Maximum Crest Factor Crest Factor ErrorDC Component Error Maximum AC Input Maximum Current Through Unknown Ohms InputsInput Protection Frequency Range Range Resolution Accuracy + % ± Hz Slow FastFrequency Inputs Sensitivity Auto PT RTD VDC Temperature VAC Ohms FrequencyTypical Scanning Rate Auto Digital Inputs Maximum Autoranging TimeTotalizing Input Minimum Pulse Width Maximum Frequency Specified Conditions Trigger InputInput Voltages Maximum Latency Environmental Digital and Alarm OutputsReal-Time Clock and Calendar General 2625A Data Storage 2620A Options Ascii & IEEE-488 Bus Codes KEY IEEE-488.2 Devise Documentation Requirements Implementation of Ieee Standard Program Message Program Message Terminator ALARMLIMIT? *RDT and *RDT? commands are not implemented Operation complete is generated when the command is parsed 2620A/2625A Signal Cross Talk in a DC Voltage Channel Making Mixed Measurements AC Signal Cross Talk Into a Frequency Channel AC Signal Cross Talk Into an AC Voltage ChannelAC Signal Cross Talk Into an Ohms Channel AC Signal Crosstalk Into a Temperature Channel 2620A/2625A Binary Upload of Logged Data LOGBIN? 2625A only Decoding the Ascii String Figure E-1. Ascii String Decoding Floating Point Conversion Example Figure E-2. Floating Point Conversion Figure E-3. Example Cables RS-232 CablingConnections Figure F-1. Summary of RS-232 Connections Figure F-2. Hydra DB-9 to PC DB-9 RS-232 Connection Generic Figure F-3. Hydra DB-9 to PC DB-25 RS-232 Connection Figure F-4. Hydra DB-9 to Modem DB-25 RS-232 Connection Figure F-5. Hydra DB-9 to Printer DB-25 RS-232 Connection Side ConnectorSide Male Female 2620A/2625A Communication I/F Temperature UnitsScan Rate Output Index 2620A/2625A