User’s Guide
Agilent 34970A Data Acquistion/Switch Unit
Page
 Flexible Data Acquisition/Switching Features
Convenient Data Logging Features
 Front Panel at a Glance
 Front-Panel Menus at a Glance
 Adrs
Display Annunciators
 Use the Menu to
Rear Panel at a Glance
 BenchLink Data Logger Software at a Glance
 34902A 16-Channel Reed Multiplexer
For detailed information and a module diagram, see
Plug-In Modules at a Glance
34901A 20-Channel Armature Multiplexer
 34903A 20-Channel Actuator/General-Purpose Switch
34904A 4x8 Two-Wire Matrix Switch
34905/6A Dual 4-Channel RF Multiplexers
 For detailed information and module block diagrams, see
34907A Multifunction Module
34908A 40-Channel Single-Ended Multiplexer
 This Book
 Contents
 Contents
 Remote Interface Reference
 Application Programs
 Quick Start
 Quick Start
 Check the list of supplied items
Connect the power cord and turn on the instrument
To Prepare the Instrument for Use
To Prepare the Instrument for Use
 Installing BenchLink Data Logger Software
Installation Procedure
Installing BenchLink Data Logger Software
 On-Line Help System
Creating Installation Floppy Disks
 To Connect Wiring to a Module
To Connect Wiring to a Module
 DC Current / AC Current
Wire Ohms / RTD / Thermistor
Wire Ohms / RTD
Thermocouple DC Voltage / AC Voltage / Frequency
 Set the date
To Set the Time and Date
To Set the Time and Date
Set the time of day
 Select the measurement parameters for the selected channel
To Configure a Channel for Scanning
To Configure a Channel for Scanning
Select the channel to be added to the scan list
 View the data from the scan
Run the scan and store the readings in non-volatile memory
 To Copy a Channel Configuration
To Copy a Channel Configuration
 Close the selected channel Open the selected channel
To Close a Channel
To Close a Channel
Select the channel
 If the Instrument Does Not Turn On
Verify that there is ac power to the instrument
Verify the power-line voltage setting
Verify that the power-line fuse is good
 Replace the fuse-holder assembly in the rear panel
 To Adjust the Carrying Handle
To Adjust the Carrying Handle
Bench-top viewing positions
 To Rack Mount the Instrument
To Rack Mount the Instrument
 Quick Start
Page
 Front-Panel Overview
 Front-Panel Overview
 Front-Panel Menu Reference
Front-Panel Menu Reference
 Configure system-related instrument parameters
 To Monitor a Single Channel
Enable monitoring on the selected channel
To disable monitoring, press again
To Monitor a Single Channel
 Select the scan count
Select the interval scan mode
To Set a Scan Interval
To Set a Scan Interval
 To Apply Mx+B Scaling to Measurements
To Apply Mx+B Scaling to Measurements
 Select the alarm mode on the selected channel
To Configure Alarm Limits
To Configure Alarm Limits
Select which of the four alarms you want to use
 Set the limit value
 Read the specified port
To Read a Digital Input Port
To Read a Digital Input Port
Select the Digital Input port
 To Write to a Digital Output Port
To Write to a Digital Output Port
 Select the totalizer channel
Configure the totalize mode
To Read the Totalizer Count
To Read the Totalizer Count
 Output the voltage from the selected DAC
To Output a DC Voltage
To Output a DC Voltage
Select a DAC Output channel
 Select the Gpib address
To Configure the Remote Interface
To Configure the Remote Interface
Select the Gpib Hpib interface
 Save the changes and exit the menu
Select the RS-232 interface Select the baud rate
Select the parity and number of data bits
Select the flow control method
 Store the instrument state
To Store the Instrument State
To Store the Instrument State
Select the storage location
 System Overview
 Control Output, starting on
Data Acquisition System Overview
 Computer and Interface Cable
Data Acquisition System Overview
Advantages Disadvantages
 Agilent BenchLink Data Logger
Measurement Software
 34970A Data Acquisition / Switch Unit
 Signal Routing
Plug-In Modules
Model Number Module Name Common Uses
 System Cabling
System Cabling and Connections starting on
Cable Type Common Uses Comments
 Transducers and Sensors
Alarm Limits
 Signal Routing and Switching
Switching Topologies
Signal Routing and Switching
 Multiplexers are available in several types
 Channel Open
 Measurement Input
Internal DMM
Measurement Input
 Measurement Input
 Scanning
 Scan Count
 Scanning With External Instruments
 Multifunction Module
 +IN
 Control Output
Control Output
 DAC
 Actuator / General-Purpose Switch
Page
 Features and Functions
 Scanning, starting on
Mx+B Scaling, starting on Alarm Limits, starting on
 Rules for Using a Channel List
Scpi Language Conventions
Scpi Language Conventions
 Scanning
Rules for Scanning
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 List
 To Build a Scan List From the Remote Interface
 Scan Interval
 Sweep the scan list 2 times
Select the interval timer configuration
See Scan Count on page 86 for more information
Set the scan interval to 5 seconds
 Select the bus once configuration
Front-Panel Operation
Group Execute Trigger
 Select the external trigger configuration
Ext Trig Connector
 On page 86 for more information
 Enable monitoring
Select the alarm configuration
Enable the upper limit
Report alarms on Alarm
 Remote Interface Operation
Scan Count
 Reading Format
 Channel Delay
 AC Filter Channel Delay
Automatic Channel Delays
Integration Time Channel Delay
Range Channel Delay
 Viewing Readings Stored in Memory
 Readings
 Time maximum was logged
Minimum reading on channel
Time minimum was logged
Maximum reading on channel
 Single-Channel Monitoring
Single-Channel Monitoring
 ROUTMONDATA?
 Scanning With External Instruments
Scanning With External Instruments
 Scanning With External Instruments
 Select the channel advance source
Select the scan interval
 General Measurement Configuration
General Measurement Configuration
Measurement Range
 MV Range
 Measurement Resolution
 Integration Time, on page 103 for more information
 102
 PLC
Custom A/D Integration Time
 104
 Autozero
 Temperature Measurement Configuration
Temperature Measurement Configuration
Measurement Units
 Thermocouple Measurements
 108
 Remote Interface Operation You can use the MEASure? or
 To connect an RTD to the module’s screw terminals, see
RTD Measurements
 111
 To connect a thermistor to the module’s screw terminals, see
Thermistor Measurements
 Applies to dc voltage measurements only
Voltage Measurement Configuration
Voltage Measurement Configuration
DC Input Resistance
 AC Low Frequency Filter
Applies to ac voltage and ac current measurements only
Sensvoltacband 3,@203 Select the slow filter 3 Hz
 To connect resistances to the module’s screw terminals, see
Resistance Measurement Configuration
Resistance Measurement Configuration
Offset Compensation
 Current Measurement Configuration
Current Measurement Configuration
Applies to ac current and ac voltage measurements only
 Senscurracband 3,@221 Select the slow filter 3 Hz
 Sensfreqranglow 3,@203 Select the slow timeout 3 Hz
Frequency Measurement Configuration
Low Frequency Timeout
Frequency Measurement Configuration
 Mx+B Scaling
Mx+B Scaling
 = − GF x R
 121
 Alarm Limits
Alarm Limits
 Alarm 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 Lines
 Clear all four alarm outputs
Clear alarm output line
 Using Alarms With the Multifunction Module
 Following commands also see the example on the following
 Data read from port decimal
Calccompdata command decimal
Calccompmask command decimal
Result no alarm generated
 Digital Input Operations
Digital Input Operations
 Read port
Read both ports together
Add port 02 read to scan list
 Totalizer Operations
Totalizer Operations
 136
 137
 Write to both ports
Digital Output Operations
Digital Output Operations
Write to port
 DAC Output Operations
DAC Output Operations
Three slots six DAC channels
 System-Related Operations
State Storage
System-Related Operations
 141
 Error Conditions
 Returns 0 if the self-test is successful or 1 if it fails
Self-Test
 Display Control
 Set date to June 1
Internal DMM Disable
Real-Time System Clock
Set time to 345 PM
 HEWLETT-PACKARD,34970A,0,X.X-Y.Y-Z.Z
Firmware Revision Query
 Relay Cycle Count
 148
 You cannot query the Scpi version from the front panel
Scpi Language Version Query
 You can set the Gpib address from the front panel only
Remote Interface Configuration
Remote Interface Configuration
Gpib Address
 Remote Interface Selection
 You can set the parity from the front panel only
Baud Rate Selection RS-232
Parity Selection RS-232
You can set the baud rate from the front panel only
 Flow Control Selection RS-232
 154
 Calibration Overview
Calibration Security
Calibration Overview
 156
 Enter new code
Unsecure with old code
 Calibration Message
 Calibration Count
 Factory Reset State
Factory Reset State
 Instrument Preset State
Instrument Preset State
 Multiplexer Module Default Settings
Multiplexer Module Default Settings
 Module Overview
Module Overview
 34901A 20-Channel Multiplexer
34901A 20-Channel Multiplexer
 Name Function Comments
Slot Number
 34902A 16-Channel Multiplexer
34902A 16-Channel Multiplexer
 167
 34903A 20-Channel Actuator
34903A 20-Channel Actuator
 169
 34904A 4x8 Matrix Switch
34904A 4x8 Matrix Switch
 Name Comments
 34905A/6A Dual 4-Channel RF Multiplexers
34905A/6A Dual 4-Channel RF Multiplexers
 173
 Analog Output DAC
34907A Multifunction Module
Digital Input/Output
Totalize Input
 DAC Output
Slot Number 100 200
Digital Input / Output
Totalizer
 34908A 40-Channel Single-Ended Multiplexer
34908A 40-Channel Single-Ended Multiplexer
 177
 178
 Remote Interface Reference
 Totalizer Commands, starting on
Calibration Commands, starting on
Scanning Overview, starting on
 Scpi Command Summary
Scpi Command Summary
 Rules for Using scanlist and chlist Parameters
 See page 237 for more information
Scpi Command Summary Scan Measurement Commands
Monitor Commands
See page 226 for more information
 FORMat
Scpi Command Summary Scan Configuration Commands
 See page 235 for more information
Scpi Command Summary Scan Statistics Commands
Scan Memory Commands
See page 233 for more information
 See page 239 for more information
Scpi Command Summary Scanning With an External Instrument
 See page 219 for more information
Scpi Command Summary Temperature Configuration Commands
 See page 223 for more information
Scpi Command Summary Voltage Configuration Commands
 See page 224 for more information
Scpi Command Summary Resistance Configuration Commands
 Scpi Command Summary Current Configuration Commands
 See page 214 for more information
 See page 244 for more information
Scpi Command Summary Mx+B Scaling Commands
 See page 247 for more information
Scpi Command Summary Alarm Limit Commands
 See page 256 for more information
Scpi Command Summary Digital Input Commands
Totalizer Commands
See page 255 for more information
 See page 258 for more information
Scpi Command Summary Digital Output Commands
DAC Output Commands
Switch Control Commands
 See page 261 for more information
Scpi Command Summary Scan Triggering Commands
State Storage Commands
See page 228 for more information
 See page 264 for more information
Scpi Command Summary System-Related Commands
 See page 286 for more information
Scpi Command Summary Interface Configuration Commands
Status System Commands
See page 269 for more information
 See page 294 for more information
Scpi Command Summary Calibration Commands
Service-Related Commands
See page 292 for more information
 Scpi Command Summary Ieee 488.2 Common Commands
 Simplified Programming Overview
Simplified Programming Overview
 Using the CONFigure Command
Using the MEASure? Command
 Using the range and resolution Parameters
 Using the INITiate and FETCh? Commands
Using the READ? Command
 205
 Trigsour EXT Init FETC?
 MEASureTEMPerature?5 TCouple,BEJKNRSTDEF
MEASure? and CONFigure Commands
MEASure? and CONFigure Commands
MEASure? Command Syntax
 MEASureTEMPerature? RTDFRTD,8591DEF
MEASureTEMPerature? THERmistor,2252500010000DEF
MEASureVOLTageDC? MEASureVOLTageAC? RangeAUTOMINMAXDEF
 MEASureRESistance? MEASureFRESistance? RangeAUTOMINMAXDEF
MEASureCURRentDC? MEASureCURRentAC? RangeAUTOMINMAXDEF
On the 34901A multiplexer module
 MEASureDIGitalBYTE? @scanlist
MEASureTOTalize? READRRESet ,@scanlist
 CONFigureTEMPerature THERmistor,2252500010000DEF
MEASure? and CONFigure Commands CONFigure Command Syntax
CONFigureTEMPerature TCouple,BEJKNRSTDEF
CONFigureTEMPerature RTDFRTD,8591DEF
 CONFigureVOLTageDC CONFigureVOLTageAC RangeAUTOMINMAXDEF
CONFigureRESistance CONFigureFRESistance RangeAUTOMINMAXDEF
CONFigureCURRentDC CONFigureCURRentAC RangeAUTOMINMAXDEF
 CONFigure? @chlist
CONFigureFREQuency CONFigurePERiod RangeAUTOMINMAXDEF
CONFigureDIGitalBYTE @scanlist
CONFigureTOTalize READRRESet ,@scanlist
 SENSeFUNCtion function,@chlist
Setting the Function, Range, and Resolution
Setting the Function, Range, and Resolution
See also General Measurement Configuration in starting on
 Setting the Function, Range, and Resolution
 Setting the Function, Range, and Resolution
 Setting the Function, Range, and Resolution
 Setting the Function, Range, and Resolution
 SENSeTEMPerature Nplc 0.020.2121020100200MINMAX,@chlist
Temperature Configuration Commands
General Temperature Commands
SENSeTEMPeratureTRANsducer
 Temperature Configuration Commands Thermocouple Commands
 SENSeTEMPeratureRJUNction? @ch list
 Thermistor Commands
Temperature Configuration Commands RTD Commands
 SENSe Zeroauto OFFONCEON,@chlist ZEROAUTO? @chlist
Voltage Configuration Commands
See also Voltage Measurement Configuration in starting on
INPut
 Resistance Configuration Commands
Current Configuration Commands
See also Current Measurement Configuration in starting on
 Frequency Configuration Commands
Frequency Configuration Commands
See also Frequency Measurement Configuration in starting on
 Scanning Overview
Scanning Overview
See also Scanning in starting on
 Scan Interval
 ROUTeSCANSIZE?
Scanning Overview Scanning Commands
TRIGger SOURce BUSIMMediateEXTernalALARm1234TIMer SOURce?
ROUTe Scan @scanlist SCAN?
 TRIGger TIMer secondsMINMAX TIMer?
ROUTe CHANnelDELay seconds,@ch list CHANnelDELay? @chlist
TRIGger COUNt countMINMAXINFinity COUNt?
 ROUTe
ABORt
INITiate
 Scanning Overview Reading Format Commands
FORMat READingALARm Offon READingALARm?
FORMat READingCHANnel Offon READingCHANnel?
 FORMat READingTIME Offon READingTIME?
FORMat READingUNIT Offon READingUNIT?
FORMat READingTIMETYPE ABSoluteRELative READingTIMETYPE?
 CALCulateAVERageMAXimum? @chlist
Scanning Overview Scan Statistics Commands
CALCulateAVERageMINimum? @chlist
CALCulateAVERageMINimumTIME? @chlist
 CALCulateAVERageCLEar @chlist
CALCulateAVERageAVERage? @chlist
CALCulateAVERagePTPeak? @chlist
CALCulateAVERageCOUNt? @chlist
 Scanning Overview Scan Memory Commands
DATAPOINts?
DATAREMove? numrdgs
 See Reading Format Commands on
SYSTemTIMESCAN?
FETCh?
 Single-Channel Monitoring Overview
Single-Channel Monitoring Overview
 ROUTe MONitor @channel MONitor?
ROUTe MONitorSTATe Offon MONitorSTATe?
ROUTeMONitorDATA?
 Scanning With an External Instrument
 TRIGger SOURce BUSIMMediateEXTernalTIMer SOURce?
 TRIGger COUNt valueMINMAXINFinity COUNt?
 Scanning With an External Instrument
 INSTrument
INSTrumentDMMINSTalled?
 Mx+B Scaling Overview
Mx+B Scaling Overview
See also Mx+B Scaling in starting on
 CALCulate
Mx+B Scaling Overview Mx+B Scaling Commands
 CALCulateSCALeOFFSetNULL @chlist
 Alarm System Overview
Alarm System Overview
See also Alarm Limits in starting on
 Alarm System Overview
 Calclimitupper MAX,@101LOWER 9,@101LOWERSTATE on
 Alarm System Overview Alarm Limit Commands
OUTPut ALARm1234SOURce @chlist ALARm1234SOURce?
CALCulate LIMitUPPer value,@ch list LIMitUPPer? @chlist
 CALCulate LIMitLOWer value,@ch list LIMitLOWer? @chlist
SYSTemALARm?
 Alarm System Overview Alarm Output Commands
OUTPut ALARmMODE LATChTRACk ALARmMODE?
OUTPut ALARmSLOPe NEGativePOSitive ALARmSLOPe?
 COMPareDATA? @chlist
Digital I/O Alarm Commands
 COMPareMASK mask,@chlist COMPareMASK? @chlist
 Digital Input Commands
See also Digital Input Operations in starting on
SENSeDIGitalDATABYTEWORD? @chlist
 Totalizer Commands
SENSe TOTalizeTYPE READRRESet,@chlist TOTalizeTYPE? @chlist
See also Totalizer Operations in starting on
 Commands see Reading Format Commands on
SENSeTOTalizeCLEarIMMediate @chlist
SENSeTOTalizeDATA? @chlist
 SOURce
Digital Output Commands
DAC Output Commands
SOURceDIGitalSTATe? @chlist
 Switch Control Commands
 ROUTeDONE?
SYSTemCPON 100200300ALL
This is equivalent to pressing from the front panel
 State Storage Commands
SAV
RCL
 MEMorySTATeDELete
MEMorySTATe Name 12345 ,name NAME?
 RECallAUTO?
MEMorySTATeVALid?
MEMoryNSTates?
 SYSTemDATE?
System-Related Commands
See also System-Related Operations in starting on
SYSTemDATE yyyy,mm,dd
 SYSTemCTYPe?
IDN?
 DISPlay Offon DISPlay?
DISPlay
DISPlayTEXTCLEar
 INSTrument DMM Offon
SYSTemPRESet
 SYSTemERRor?
See for a complete listing of the 34970A error messages
SYSTemVERSion?
 Interface Configuration Commands
 RS-232 Interface Configuration
RS-232 Configuration Overview
RS-232 Interface Configuration
 RS-232 Flow Control Modes
 Connection to a Computer or Terminal
RS-232 Data Frame Format
 RS-232 Troubleshooting
 S0=1
Modem Communications
Modem Communications
For more information, see Flow Control Selection on
 Scpi Status System
What is a Condition Register?
What is an Event Register?
What is an Enable Register?
 Agilent 34970A Status System
 Definition
Status Byte Register
Bit Definitions Status Byte Register
Decimal Bit Number
 Using *STB? to Read the Status Byte
Using Service Request SRQ and Serial Poll
 Using the Message Available Bit MAV
To Interrupt Your Bus Controller Using SRQ
To Determine When a Command Sequence is Completed
 Bit Definitions Questionable Data Register
Questionable Data Register
 Scpi Status System
 Bit Definitions Standard Event Register
Standard Event Register
 Scpi Status System
 Bit Definitions Alarm Register
Alarm Register
 Bit Definitions Standard Operation Register
Standard Operation Register
 Status System Commands
Status Byte Register Commands
See the table on page 277 for the register bit definitions
 See the table on page 280 for the register bit definitions
Questionable Data Register Commands
 See the table on page 282 for the register bit definitions
Status System Commands Standard Event Register Commands
 STATusALARmENABle enablevalue STATusALARmENABle?
Status System Commands Alarm Register Commands
STATusALARmCONDition?
STATusALARmEVENt?
 STATusOPERationCONDition?
Status System Commands Standard Operation Register Commands
STATusOPERationENABle enablevalue STATusOPERationENABle?
See the table on page 285 for the register bit definitions
 PSC
Miscellaneous Status Register Commands
STATusPRESet
DATAPOINtsEVENtTHReshold numrdgs DATAPOINtsEVENtTHReshold?
 CALibrationSECureCODE newcode
Calibration Commands
CALibration?
CALibrationCOUNt?
 CALibrationVALue value CALibrationVALue?
CALibrationSECureSTATe OFFON,code CALibrationSECureSTATe?
CALibrationSTRing quotedstring
CALibrationSTRing?
 DIAGnosticRELayCYCLes? @chlist
Service-Related Commands
DIAGnosticDMMCYCLes?
DIAGnosticDMMCYCLesCLEar
 WAI
 An Introduction to the Scpi Language
An Introduction to the Scpi Language
 Command Format Used in This Manual
 Using the MIN and MAX Parameters
Command Separators
 Querying Parameter Settings
Scpi Command Terminators
IEEE-488.2 Common Commands
 Scpi Parameter Types
 301
 Using Device Clear
Using Device Clear
 Error Messages
 Error Messages
 Execution Errors
 124
Execution Errors 114
121
123
 213
Execution Errors 168
178
211
 410
Execution Errors 230
310
350
 Instrument Errors
 Instrument Errors 221
225
226
 281
Instrument Errors 261
271
272
 Instrument Errors 303
305
306
 512
Instrument Errors 501
502
511
 603
Self-Test Errors
601
602
 Calibration Errors
 722
Calibration Errors 710
720
721
 903
Plug-In Module Errors
901
902
 318
 Application Programs
 Application Programs
 Example Programs for Excel
Example Programs for Excel
 VISAaddr =
Excel 7.0 Example takeReadings Macro
 323
 324
 Dim columnIndex As Integer
Excel 7.0 Example ScanChannels Macro
 326
 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 on
 Cable Specifications
System Cabling and Connections
System Cabling and Connections
 Cable Type Nominal Impedance Capacitance Attenuation
Ft 2 conductors
 Grounding Techniques
 Shielding Techniques
Separation of High-Level and Low-Level Signals
 Sources of System Cabling Errors
 Copper-to Approx. ∝V / C
 Discussion of integration time
Where
 Voltage Measured = √ V + Noise
 Measurement Fundamentals
Measurement Fundamentals
 NMR
Integration Time PLCs
 RTD
Temperature Measurements
 Measurement Fundamentals
 Internal DMM
 Internal DMM Ice Bath
 349
 Measurement Fundamentals
 Copper Constantan
Temperature Probe Type Pos + Lead Neg Lead
Iron Constantan
Nickel-Chromium Nickel-Aluminum
 Sources 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 Measurements
 Connection 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 Measurements
 Sources of Error in AC Current Measurements
Sources of Error in DC Current Measurements
 Resistance Measurements
 370
 Measurement Fundamentals
 Insulating Material Resistance Range Moisture Absorbing
Sources of Error in Resistance Measurements
 Strain Gage Measurements
 HI Source HI Sense LO Sense LO Source
 DMM Sensitivity
Strain
 Frequency and Period Measurements
 Sources of Error in Frequency and Period Measurements
 Low-Level Signal Multiplexing and Switching
Low-Level Signal Multiplexing and Switching
 Two-Wire Multiplexers
One-Wire Single-Ended Multiplexers
 Four-Wire Multiplexers
 Signal Routing and Multiplexing
 Sources of Error in Multiplexing and Switching
 Module Bank
 Actuators and General-Purpose Switching
Actuators and General-Purpose Switching
 RC Protection Networks
Snubber Circuits
 Using Varistors
 Using Attenuators
 Matrix Switching
Matrix Switching
 Matrix Module
Combining Matrices
 RF Signal Multiplexing
RF Signal Multiplexing
 Insertion Loss 75Ω
Sources of Error in RF Switching
 Multifunction Module
Digital Input
Multifunction Module
 Digital Output
 Driving External Switches
Using an External Pull-Up
 Totalizer
 Totalizer Errors
 Voltage DAC Output
 DAC Errors
 Relay Life and Preventative Maintenance
Relay Life and Preventative Maintenance
 Relay Load
Relay Life
 Replacement Strategy
Switching Frequency
 402
 Specifications
 DC, Resistance, and Temperature Accuracy Specifications
DC, Resistance, and Temperature Accuracy Specifications
 DC Measurement and Operating Characteristics
DC Measurement and Operating Characteristics
 AC Accuracy Specifications
AC Accuracy Specifications
 AC Measurement and Operating Characteristics
AC Measurement and Operating Characteristics
 Measurement Rates and System Characteristics
Measurement Rates and System Characteristics
 Module Specifications
Module Specifications
 34905A, 34906A
 Crosstalk 75 Ω
Typical AC Performance Graphs
Typical AC Performance Graphs
Insertion Loss 75 Ω
 34907A
Software Specifications
 Product and Module Dimensions
Product and Module Dimensions
 To Calculate Total Measurement Error
To Calculate Total Measurement Error
 415
 Sensitivity
Interpreting Internal DMM Specifications
Interpreting Internal DMM Specifications
Number of Digits and Overrange
 Resolution
Accuracy
Criteria
 Temperature Coefficients
Hour Accuracy
Day and 1-Year Accuracy
 Configuring for Highest Accuracy Measurements
Configuring for Highest Accuracy Measurements
 420
 Index
Totalize Threshold jumper, 135, 175 totalizer reset mode
 Index
 423
 424
 425
 426
 427
 428
 429
 430
 431
 432
 433
 434
 U T I O N
 Declaration of Conformity