Agilent Technologies 34970A manual Calibration Count, Remote Interface Operation

Page 161

Chapter 4 Features and Functions

Calibration Overview

Calibration Count

You can query the instrument to determine how many calibrations have been performed. Note that your instrument was calibrated before it left the factory. When you receive your instrument, be sure to read the count to determine its initial value.

•The calibration count is stored in non-volatilememory in the mainframe, and does not change when power has been off, after a Factory Reset (*RST command), or after an Instrument Preset (SYSTem:PRESet command).

•The calibration count increments up to a maximum of 65,535 after which it rolls over to “0”. Since the value increments by one for each calibration point, a complete calibration may increase the value by many counts.

•The calibration count is also incremented with calibrations of the

 

DAC channels on the multifunction module.

4

•

Front-Panel Operation:

 

 

CAL COUNT

 

•

Remote Interface Operation:

 

 

CALibration:COUNt?

 

159

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Contents User’s Guide Agilent 34970A Data Acquistion/Switch UnitPage Flexible Data Acquisition/Switching Features Convenient Data Logging FeaturesFront Panel at a Glance Front-Panel Menus at a Glance Adrs Display AnnunciatorsUse the Menu to Rear Panel at a GlanceBenchLink Data Logger Software at a Glance Plug-In Modules at a Glance For detailed information and a module diagram, see34901A 20-Channel Armature Multiplexer 34902A 16-Channel Reed Multiplexer34905/6A Dual 4-Channel RF Multiplexers 34903A 20-Channel Actuator/General-Purpose Switch34904A 4x8 Two-Wire Matrix Switch 34908A 40-Channel Single-Ended Multiplexer For detailed information and module block diagrams, see34907A Multifunction Module This Book Contents Contents Remote Interface Reference Application Programs Quick Start Quick Start To Prepare the Instrument for Use Connect the power cord and turn on the instrumentTo Prepare the Instrument for Use Check the list of supplied itemsInstalling BenchLink Data Logger Software Installing BenchLink Data Logger SoftwareInstallation Procedure On-Line Help System Creating Installation Floppy DisksTo Connect Wiring to a Module To Connect Wiring to a ModuleWire Ohms / RTD Wire Ohms / RTD / ThermistorThermocouple DC Voltage / AC Voltage / Frequency DC Current / AC CurrentTo Set the Time and Date To Set the Time and DateSet the time of day Set the dateTo Configure a Channel for Scanning To Configure a Channel for ScanningSelect the channel to be added to the scan list Select the measurement parameters for the selected channelView the data from the scan Run the scan and store the readings in non-volatile memoryTo Copy a Channel Configuration To Copy a Channel ConfigurationTo Close a Channel To Close a ChannelSelect the channel Close the selected channel Open the selected channelVerify the power-line voltage setting Verify that there is ac power to the instrumentVerify that the power-line fuse is good If the Instrument Does Not Turn OnReplace the fuse-holder assembly in the rear panel Bench-top viewing positions To Adjust the Carrying HandleTo Adjust the Carrying Handle To Rack Mount the Instrument To Rack Mount the InstrumentQuick Start Page Front-Panel Overview Front-Panel Overview Front-Panel Menu Reference Front-Panel Menu ReferenceConfigure system-related instrument parameters To disable monitoring, press again Enable monitoring on the selected channelTo Monitor a Single Channel To Monitor a Single ChannelTo Set a Scan Interval Select the interval scan modeTo Set a Scan Interval Select the scan countTo Apply Mx+B Scaling to Measurements To Apply Mx+B Scaling to MeasurementsTo Configure Alarm Limits To Configure Alarm LimitsSelect which of the four alarms you want to use Select the alarm mode on the selected channelSet the limit value To Read a Digital Input Port To Read a Digital Input PortSelect the Digital Input port Read the specified portTo Write to a Digital Output Port To Write to a Digital Output PortTo Read the Totalizer Count Configure the totalize modeTo Read the Totalizer Count Select the totalizer channelTo Output a DC Voltage To Output a DC VoltageSelect a DAC Output channel Output the voltage from the selected DACTo Configure the Remote Interface To Configure the Remote InterfaceSelect the Gpib Hpib interface Select the Gpib addressSelect the parity and number of data bits Select the RS-232 interface Select the baud rateSelect the flow control method Save the changes and exit the menuTo Store the Instrument State To Store the Instrument StateSelect the storage location Store the instrument stateSystem Overview Control Output, starting on Data Acquisition System OverviewAdvantages Disadvantages Computer and Interface CableData Acquisition System Overview Agilent BenchLink Data Logger Measurement Software34970A Data Acquisition / Switch Unit Model Number Module Name Common Uses Signal RoutingPlug-In Modules Cable Type Common Uses Comments System CablingSystem Cabling and Connections starting on Transducers and Sensors Alarm LimitsSignal Routing and Switching Signal Routing and SwitchingSwitching Topologies Multiplexers are available in several types Channel Open Measurement Input Measurement InputInternal DMM Measurement Input Scanning Scan Count Scanning With External Instruments Multifunction Module +IN Control Output Control OutputDAC Actuator / General-Purpose Switch Page Features and Functions Scanning, starting on Mx+B Scaling, starting on Alarm Limits, starting onScpi Language Conventions Rules for Using a Channel ListScpi Language Conventions Scanning ScanningRules for Scanning Scanning Or disable it see Internal DMM Disable on Power Failure To Build a Scan List From the Front Panel Adding Channels to a Scan ListTo Build a Scan List From the Remote Interface Scan Interval See Scan Count on page 86 for more information Select the interval timer configurationSet the scan interval to 5 seconds Sweep the scan list 2 timesGroup Execute Trigger Select the bus once configurationFront-Panel Operation Select the external trigger configuration Ext Trig ConnectorOn page 86 for more information Enable the upper limit Select the alarm configurationReport alarms on Alarm Enable monitoringRemote Interface Operation Scan CountReading Format Channel Delay Integration Time Channel Delay Automatic Channel DelaysRange Channel Delay AC Filter Channel DelayViewing Readings Stored in Memory Readings Time minimum was logged Minimum reading on channelMaximum reading on channel Time maximum was loggedSingle-Channel Monitoring Single-Channel MonitoringROUTMONDATA? Scanning With External Instruments Scanning With External InstrumentsScanning With External Instruments Select the channel advance source Select the scan intervalMeasurement Range General Measurement ConfigurationGeneral Measurement Configuration MV Range Measurement Resolution Integration Time, on page 103 for more information 102 PLC Custom A/D Integration Time104 Autozero Measurement Units Temperature Measurement ConfigurationTemperature Measurement Configuration Thermocouple Measurements 108 Remote Interface Operation You can use the MEASure? or To connect an RTD to the module’s screw terminals, see RTD Measurements111 To connect a thermistor to the module’s screw terminals, see Thermistor MeasurementsVoltage Measurement Configuration Voltage Measurement ConfigurationDC Input Resistance Applies to dc voltage measurements onlySensvoltacband 3,@203 Select the slow filter 3 Hz AC Low Frequency FilterApplies to ac voltage and ac current measurements only Resistance Measurement Configuration Resistance Measurement ConfigurationOffset Compensation To connect resistances to the module’s screw terminals, seeApplies to ac current and ac voltage measurements only Current Measurement ConfigurationCurrent Measurement Configuration Senscurracband 3,@221 Select the slow filter 3 Hz Low Frequency Timeout Frequency Measurement ConfigurationFrequency Measurement Configuration Sensfreqranglow 3,@203 Select the slow timeout 3 HzMx+B Scaling Mx+B Scaling= − GF x R 121 Alarm Limits Alarm LimitsAlarm Limits Alarm Event No Alarm Upper Limit Lower Limit Then, choose from the following alarm conditions Viewing Stored Alarm Data 127 Alarms Connector Using the Alarm Output LinesClear all four alarm outputs Clear alarm output lineUsing Alarms With the Multifunction Module Following commands also see the example on the following Calccompmask command decimal Calccompdata command decimalResult no alarm generated Data read from port decimalDigital Input Operations Digital Input OperationsAdd port 02 read to scan list Read portRead both ports together Totalizer Operations Totalizer Operations136 137 Digital Output Operations Digital Output OperationsWrite to port Write to both portsThree slots six DAC channels DAC Output OperationsDAC Output Operations System-Related Operations System-Related OperationsState Storage 141 Error Conditions Returns 0 if the self-test is successful or 1 if it fails Self-TestDisplay Control Real-Time System Clock Internal DMM DisableSet time to 345 PM Set date to June 1HEWLETT-PACKARD,34970A,0,X.X-Y.Y-Z.Z Firmware Revision QueryRelay Cycle Count 148 You cannot query the Scpi version from the front panel Scpi Language Version QueryRemote Interface Configuration Remote Interface ConfigurationGpib Address You can set the Gpib address from the front panel onlyRemote Interface Selection Parity Selection RS-232 Baud Rate Selection RS-232You can set the baud rate from the front panel only You can set the parity from the front panel onlyFlow Control Selection RS-232 154 Calibration Overview Calibration OverviewCalibration Security 156 Enter new code Unsecure with old codeCalibration Message Calibration Count Factory Reset State Factory Reset StateInstrument Preset State Instrument Preset StateMultiplexer Module Default Settings Multiplexer Module Default SettingsModule Overview Module Overview34901A 20-Channel Multiplexer 34901A 20-Channel MultiplexerName Function Comments Slot Number34902A 16-Channel Multiplexer 34902A 16-Channel Multiplexer167 34903A 20-Channel Actuator 34903A 20-Channel Actuator169 34904A 4x8 Matrix Switch 34904A 4x8 Matrix SwitchName Comments 34905A/6A Dual 4-Channel RF Multiplexers 34905A/6A Dual 4-Channel RF Multiplexers173 Digital Input/Output 34907A Multifunction ModuleTotalize Input Analog Output DACDigital Input / Output Slot Number 100 200Totalizer DAC Output34908A 40-Channel Single-Ended Multiplexer 34908A 40-Channel Single-Ended Multiplexer177 178 Remote Interface Reference Scanning Overview, starting on Totalizer Commands, starting onCalibration Commands, starting on Scpi Command Summary Scpi Command SummaryRules for Using scanlist and chlist Parameters Monitor Commands Scpi Command Summary Scan Measurement CommandsSee page 226 for more information See page 237 for more informationFORMat Scpi Command Summary Scan Configuration CommandsScan Memory Commands Scpi Command Summary Scan Statistics CommandsSee page 233 for more information See page 235 for more informationSee page 239 for more information Scpi Command Summary Scanning With an External InstrumentSee page 219 for more information Scpi Command Summary Temperature Configuration CommandsSee page 223 for more information Scpi Command Summary Voltage Configuration CommandsSee page 224 for more information Scpi Command Summary Resistance Configuration CommandsScpi Command Summary Current Configuration Commands See page 214 for more information See page 244 for more information Scpi Command Summary Mx+B Scaling CommandsSee page 247 for more information Scpi Command Summary Alarm Limit CommandsTotalizer Commands Scpi Command Summary Digital Input CommandsSee page 255 for more information See page 256 for more informationDAC Output Commands Scpi Command Summary Digital Output CommandsSwitch Control Commands See page 258 for more informationState Storage Commands Scpi Command Summary Scan Triggering CommandsSee page 228 for more information See page 261 for more informationSee page 264 for more information Scpi Command Summary System-Related CommandsStatus System Commands Scpi Command Summary Interface Configuration CommandsSee page 269 for more information See page 286 for more informationService-Related Commands Scpi Command Summary Calibration CommandsSee page 292 for more information See page 294 for more informationScpi Command Summary Ieee 488.2 Common Commands Simplified Programming Overview Simplified Programming OverviewUsing the CONFigure Command Using the MEASure? CommandUsing the range and resolution Parameters Using the INITiate and FETCh? Commands Using the READ? Command205 Trigsour EXT Init FETC? MEASure? and CONFigure Commands MEASure? and CONFigure CommandsMEASure? Command Syntax MEASureTEMPerature?5 TCouple,BEJKNRSTDEFMEASureVOLTageDC? MEASureVOLTageAC? RangeAUTOMINMAXDEF MEASureTEMPerature? RTDFRTD,8591DEFMEASureTEMPerature? THERmistor,2252500010000DEF On the 34901A multiplexer module MEASureRESistance? MEASureFRESistance? RangeAUTOMINMAXDEFMEASureCURRentDC? MEASureCURRentAC? RangeAUTOMINMAXDEF MEASureDIGitalBYTE? @scanlist MEASureTOTalize? READRRESet ,@scanlistCONFigureTEMPerature TCouple,BEJKNRSTDEF MEASure? and CONFigure Commands CONFigure Command SyntaxCONFigureTEMPerature RTDFRTD,8591DEF CONFigureTEMPerature THERmistor,2252500010000DEFCONFigureCURRentDC CONFigureCURRentAC RangeAUTOMINMAXDEF CONFigureVOLTageDC CONFigureVOLTageAC RangeAUTOMINMAXDEFCONFigureRESistance CONFigureFRESistance RangeAUTOMINMAXDEF CONFigureDIGitalBYTE @scanlist CONFigureFREQuency CONFigurePERiod RangeAUTOMINMAXDEFCONFigureTOTalize READRRESet ,@scanlist CONFigure? @chlistSetting the Function, Range, and Resolution Setting the Function, Range, and ResolutionSee also General Measurement Configuration in starting on SENSeFUNCtion function,@chlistSetting the Function, Range, and Resolution Setting the Function, Range, and Resolution Setting the Function, Range, and Resolution Setting the Function, Range, and Resolution General Temperature Commands Temperature Configuration CommandsSENSeTEMPeratureTRANsducer SENSeTEMPerature Nplc 0.020.2121020100200MINMAX,@chlistTemperature Configuration Commands Thermocouple Commands SENSeTEMPeratureRJUNction? @ch list Thermistor Commands Temperature Configuration Commands RTD CommandsSee also Voltage Measurement Configuration in starting on Voltage Configuration CommandsINPut SENSe Zeroauto OFFONCEON,@chlist ZEROAUTO? @chlistSee also Current Measurement Configuration in starting on Resistance Configuration CommandsCurrent Configuration Commands See also Frequency Measurement Configuration in starting on Frequency Configuration CommandsFrequency Configuration Commands See also Scanning in starting on Scanning OverviewScanning Overview Scan Interval TRIGger SOURce BUSIMMediateEXTernalALARm1234TIMer SOURce? Scanning Overview Scanning CommandsROUTe Scan @scanlist SCAN? ROUTeSCANSIZE?TRIGger COUNt countMINMAXINFinity COUNt? TRIGger TIMer secondsMINMAX TIMer?ROUTe CHANnelDELay seconds,@ch list CHANnelDELay? @chlist INITiate ROUTeABORt FORMat READingCHANnel Offon READingCHANnel? Scanning Overview Reading Format CommandsFORMat READingALARm Offon READingALARm? FORMat READingTIMETYPE ABSoluteRELative READingTIMETYPE? FORMat READingTIME Offon READingTIME?FORMat READingUNIT Offon READingUNIT? CALCulateAVERageMINimum? @chlist Scanning Overview Scan Statistics CommandsCALCulateAVERageMINimumTIME? @chlist CALCulateAVERageMAXimum? @chlistCALCulateAVERagePTPeak? @chlist CALCulateAVERageAVERage? @chlistCALCulateAVERageCOUNt? @chlist CALCulateAVERageCLEar @chlistDATAREMove? numrdgs Scanning Overview Scan Memory CommandsDATAPOINts? FETCh? See Reading Format Commands onSYSTemTIMESCAN? Single-Channel Monitoring Overview Single-Channel Monitoring OverviewROUTeMONitorDATA? ROUTe MONitor @channel MONitor?ROUTe MONitorSTATe Offon MONitorSTATe? Scanning With an External Instrument TRIGger SOURce BUSIMMediateEXTernalTIMer SOURce? TRIGger COUNt valueMINMAXINFinity COUNt? Scanning With an External Instrument INSTrument INSTrumentDMMINSTalled?See also Mx+B Scaling in starting on Mx+B Scaling OverviewMx+B Scaling Overview CALCulate Mx+B Scaling Overview Mx+B Scaling CommandsCALCulateSCALeOFFSetNULL @chlist See also Alarm Limits in starting on Alarm System OverviewAlarm System Overview Alarm System Overview Calclimitupper MAX,@101LOWER 9,@101LOWERSTATE on CALCulate LIMitUPPer value,@ch list LIMitUPPer? @chlist Alarm System Overview Alarm Limit CommandsOUTPut ALARm1234SOURce @chlist ALARm1234SOURce? CALCulate LIMitLOWer value,@ch list LIMitLOWer? @chlist SYSTemALARm?OUTPut ALARmSLOPe NEGativePOSitive ALARmSLOPe? Alarm System Overview Alarm Output CommandsOUTPut ALARmMODE LATChTRACk ALARmMODE? COMPareDATA? @chlist Digital I/O Alarm CommandsCOMPareMASK mask,@chlist COMPareMASK? @chlist SENSeDIGitalDATABYTEWORD? @chlist Digital Input CommandsSee also Digital Input Operations in starting on See also Totalizer Operations in starting on Totalizer CommandsSENSe TOTalizeTYPE READRRESet,@chlist TOTalizeTYPE? @chlist SENSeTOTalizeDATA? @chlist Commands see Reading Format Commands onSENSeTOTalizeCLEarIMMediate @chlist DAC Output Commands Digital Output CommandsSOURceDIGitalSTATe? @chlist SOURceSwitch Control Commands This is equivalent to pressing from the front panel ROUTeDONE?SYSTemCPON 100200300ALL RCL State Storage CommandsSAV MEMorySTATeDELete MEMorySTATe Name 12345 ,name NAME?MEMoryNSTates? RECallAUTO?MEMorySTATeVALid? See also System-Related Operations in starting on System-Related CommandsSYSTemDATE yyyy,mm,dd SYSTemDATE?SYSTemCTYPe? IDN?DISPlayTEXTCLEar DISPlay Offon DISPlay?DISPlay INSTrument DMM Offon SYSTemPRESetSYSTemVERSion? SYSTemERRor?See for a complete listing of the 34970A error messages Interface Configuration Commands RS-232 Interface Configuration RS-232 Interface ConfigurationRS-232 Configuration Overview RS-232 Flow Control Modes Connection to a Computer or Terminal RS-232 Data Frame FormatRS-232 Troubleshooting Modem Communications Modem CommunicationsFor more information, see Flow Control Selection on S0=1What is an Event Register? What is a Condition Register?What is an Enable Register? Scpi Status SystemAgilent 34970A Status System Bit Definitions Status Byte Register Status Byte RegisterDecimal Bit Number DefinitionUsing *STB? to Read the Status Byte Using Service Request SRQ and Serial PollTo Determine When a Command Sequence is Completed Using the Message Available Bit MAVTo Interrupt Your Bus Controller Using SRQ Bit Definitions Questionable Data Register Questionable Data RegisterScpi Status System Bit Definitions Standard Event Register Standard Event RegisterScpi Status System Bit Definitions Alarm Register Alarm RegisterBit Definitions Standard Operation Register Standard Operation RegisterSee the table on page 277 for the register bit definitions Status System CommandsStatus Byte Register Commands See the table on page 280 for the register bit definitions Questionable Data Register CommandsSee the table on page 282 for the register bit definitions Status System Commands Standard Event Register CommandsSTATusALARmCONDition? Status System Commands Alarm Register CommandsSTATusALARmEVENt? STATusALARmENABle enablevalue STATusALARmENABle?STATusOPERationENABle enablevalue STATusOPERationENABle? Status System Commands Standard Operation Register CommandsSee the table on page 285 for the register bit definitions STATusOPERationCONDition?STATusPRESet Miscellaneous Status Register CommandsDATAPOINtsEVENtTHReshold numrdgs DATAPOINtsEVENtTHReshold? PSCCALibration? Calibration CommandsCALibrationCOUNt? CALibrationSECureCODE newcodeCALibrationSTRing quotedstring CALibrationSECureSTATe OFFON,code CALibrationSECureSTATe?CALibrationSTRing? CALibrationVALue value CALibrationVALue?DIAGnosticDMMCYCLes? Service-Related CommandsDIAGnosticDMMCYCLesCLEar DIAGnosticRELayCYCLes? @chlistWAI An Introduction to the Scpi Language An Introduction to the Scpi LanguageCommand Format Used in This Manual Using the MIN and MAX Parameters Command SeparatorsIEEE-488.2 Common Commands Querying Parameter SettingsScpi Command Terminators Scpi Parameter Types 301 Using Device Clear Using Device ClearError Messages Error Messages Execution Errors 121 Execution Errors 114123 124178 Execution Errors 168211 213310 Execution Errors 230350 410Instrument Errors 226 Instrument Errors 221225 271 Instrument Errors 261272 281306 Instrument Errors 303305 502 Instrument Errors 501511 512601 Self-Test Errors602 603Calibration Errors 720 Calibration Errors 710721 722901 Plug-In Module Errors902 903318 Application Programs Application Programs Example Programs for Excel Example Programs for ExcelVISAaddr = Excel 7.0 Example takeReadings Macro323 324 Dim columnIndex As Integer Excel 7.0 Example ScanChannels Macro326 327 Example Programs for C and C++ Example Programs for C and C++++ Example dacout.c ++ Example statreg.c 331 332 Tutorial Tutorial Matrix Switching, starting onSystem Cabling and Connections Cable SpecificationsSystem Cabling and Connections Cable Type Nominal Impedance Capacitance Attenuation Ft 2 conductorsGrounding Techniques Shielding Techniques Separation of High-Level and Low-Level SignalsSources of System Cabling Errors Copper-to Approx. ∝V / C Discussion of integration time WhereVoltage Measured = √ V + Noise Measurement Fundamentals Measurement FundamentalsNMR Integration Time PLCsRTD Temperature MeasurementsMeasurement Fundamentals Internal DMM Internal DMM Ice Bath 349 Measurement Fundamentals Iron Constantan Temperature Probe Type Pos + Lead Neg LeadNickel-Chromium Nickel-Aluminum Copper ConstantanSources of Error in Thermocouple Measurements Without Shield DC Voltage Measurements Or greater see page 103 for a discussion of integration time Sources of Error in DC Voltage MeasurementsConnection a Connection B Rs + Ri 358 AC Voltage Measurements 360 361 Sources of Error in AC Voltage Measurements 363 For low frequencies + Noise Measurement Fundamentals Current measurements are allowed only on the 34901A module Current MeasurementsSources of Error in AC Current Measurements Sources of Error in DC Current MeasurementsResistance Measurements 370 Measurement Fundamentals Insulating Material Resistance Range Moisture Absorbing Sources of Error in Resistance MeasurementsStrain Gage Measurements HI Source HI Sense LO Sense LO Source DMM Sensitivity StrainFrequency and Period Measurements Sources of Error in Frequency and Period Measurements Low-Level Signal Multiplexing and Switching Low-Level Signal Multiplexing and SwitchingTwo-Wire Multiplexers One-Wire Single-Ended MultiplexersFour-Wire Multiplexers Signal Routing and Multiplexing Sources of Error in Multiplexing and Switching Module Bank Actuators and General-Purpose Switching Actuators and General-Purpose SwitchingRC Protection Networks Snubber CircuitsUsing Varistors Using Attenuators Matrix Switching Matrix SwitchingMatrix Module Combining MatricesRF Signal Multiplexing RF Signal MultiplexingInsertion Loss 75Ω Sources of Error in RF SwitchingMultifunction Module Multifunction ModuleDigital Input Digital Output Driving External Switches Using an External Pull-UpTotalizer Totalizer Errors Voltage DAC Output DAC Errors Relay Life and Preventative Maintenance Relay Life and Preventative MaintenanceRelay Load Relay LifeReplacement Strategy Switching Frequency402 Specifications DC, Resistance, and Temperature Accuracy Specifications DC, Resistance, and Temperature Accuracy SpecificationsDC Measurement and Operating Characteristics DC Measurement and Operating CharacteristicsAC Accuracy Specifications AC Accuracy SpecificationsAC Measurement and Operating Characteristics AC Measurement and Operating CharacteristicsMeasurement Rates and System Characteristics Measurement Rates and System CharacteristicsModule Specifications Module Specifications34905A, 34906A Typical AC Performance Graphs Typical AC Performance GraphsInsertion Loss 75 Ω Crosstalk 75 Ω34907A Software SpecificationsProduct and Module Dimensions Product and Module DimensionsTo Calculate Total Measurement Error To Calculate Total Measurement Error415 Interpreting Internal DMM Specifications Interpreting Internal DMM SpecificationsNumber of Digits and Overrange SensitivityCriteria ResolutionAccuracy Day and 1-Year Accuracy Temperature CoefficientsHour Accuracy Configuring for Highest Accuracy Measurements Configuring for Highest Accuracy Measurements420 Index Totalize Threshold jumper, 135, 175 totalizer reset modeIndex 423 424 425 426 427 428 429 430 431 432 433 434 U T I O N Declaration of Conformity
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34970A specifications

Agilent Technologies 34970A is a versatile data acquisition and measurement system that has gained popularity in various industries, including research and development, manufacturing, and education. The primary purpose of the 34970A is to offer an efficient solution for data collection, monitoring, and analysis, which can significantly enhance productivity and accuracy in testing applications.

One of the main features of the 34970A is its modular design, allowing users to customize the system according to their specific measurement needs. The mainframe can accommodate up to three plug-in measurement modules, which can include various types of measurements such as analog, digital, temperature, and frequency. This modularity provides flexibility for users to tailor the system to their requirements, making it highly adaptable to different applications.

Another notable characteristic of the Agilent 34970A is its impressive channel configuration. The system can support up to 120 measurement channels when fully configured, enabling extensive data acquisition without the need for multiple devices. This capability is essential for applications requiring simultaneous monitoring of multiple parameters or locations.

The 34970A utilizes advanced signal processing technologies to ensure high-accuracy measurements. The internal 6.5-digit resolution multimeter provides precise readings, while the device also supports various input types, such as thermocouples and RTDs for temperature measurements. The ability to perform mathematical functions, such as summation and averaging, on the acquired data further enhances its usability.

For data storage and management, the Agilent 34970A features built-in memory for storing up to 20,000 readings. Users can also easily transfer data to a PC through the RS-232 interface or GPIB (IEEE 488) for further analysis and reporting. Additionally, it offers the capability to program automatic data logging and scheduling of measurements, which streamlines the testing process and reduces manual intervention.

In terms of user interface, the 34970A is equipped with a large graphical display that provides clear visualization of measurement data and easy navigation through settings and options. The menu-driven interface makes it accessible for users of all skill levels, simplifying the setup and operation of the device.

Overall, the Agilent Technologies 34970A stands out for its modularity, high channel capacity, advanced measurement technologies, and user-friendly interface. As a reliable and efficient data acquisition system, it is well-suited for a wide range of applications, making it an essential tool for engineers and technicians looking to enhance measurement precision and efficiency.
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