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Manual UpdatesThis sheet contains manual updates that apply to the following versions of the 34970A User’s 43734970-90438(User’s Guide – English: Edition 3 only)(User’s Guide – German)(User’s Guide – French)(User’s Guide – Japanese)(User’s Guide – Spanish)(User’s Guide – Italian)(User’s Guide – Korean)(User’s Guide – Chinese: Traditional)(User’s Guide – Chinese: Simplified)The page numbers shown correspond to the English version user’s guide (Edition 3). The updates have beenincorporated into Edition 4 of the English version user’s guide (p/n 34970-90003). This sheet also containsupdates to the 34970A Service Guide (p/n 34970-90012).Updates – 34970A User’s GuideAgilent BenchLink Data Logger 3 SoftwareAgilent BenchLink Data Logger 3 is included with each 34970A shipment. The BenchLink Data Logger 3software is contained on the 34825A Product CD-ROM (p/n 34970-13610). BenchLink Data Logger 3 iscompatible with Microsoft Windows 98, SE, NT 4.0, 2000, and XP. Refer to the Software menu on theProduct CD-ROM for installation instructions and additional information.Product WarrantyThe standard warranty period for the 34970A Data Acquisition/Switch Unit is one-year. All references to athree-year warranty within the product manuals must be changed to one year.Page 10Change: If your 34970A fails within three years of original purchase, Agilent will either repair of replace itfree of charge. Call 1-877-447-7278 and ask for “Express Exchange” or contact your local Agilent Office.To: If your 34970A fails within one year of original purchase, Agilent will replace it free of charge.Call 1-800-829-4444 and select "Option 3" followed by "Option 1".Chapter 1: Page 19Remove: “Creating Installation Floppy Disks” and the information under the heading. Agilent BenchLinkData Logger 3 does not support this feature.

Chapter 4: Page 99Change: * For frequency and period measurements, the instrument uses one “range” for all inputs between3 Hz and 300 kHz. The range parameter is required only to specify the resolution. Therefore, it is notnecessary to send a new command for each new frequency to be measured.To: * For frequency and period measurements, the "range" parameter is used to compute a specificmeasurement resolution (see the table on page 203). When specifying a (non-default) resolution, both the rangeand resolution parameters must be specified within the MEASure? and CONFigure commands. Refer to pages209 and 213 for examples.Chapter 4: Page 103Remove: * For temperature measurements, the integration time is fixed at 1 PLC.Chapter 4: Page 109Add: For verification tests 4-43, add a jumper on the 34908A terminal block between channels 36 and 16.Chapter 4: Page 119Change: Scaled Reading (Gain x Measurement) – OffsetTo: Scaled Reading (Gain x Measurement) OffsetChapter 4: Page 121Change: MEAS OFFSETTo: SET OFFSETChapter 4: Page 164Change: Shunt Switches 21, 22To: Shunt Switches 93, 94Chapter 4: Page 172Change: The 34905A is used for 50ȍ applications. The 34906A is used for 75ȍ applications.To: The 34905A is used for 50ȍ applications. The 34906A is used for 75ȍ applications (mini SMBs).Chapter 4: Page 174Change: totalizer, and two 12 analog outputs.To: totalizer, and two 12V analog outputs.Chapter 5: Page 203Change: For frequency and period measurements, the instrument uses one “range” for all inputs between3 Hz and 300 kHz. The range parameter is required only to specify the resolution. Therefore, it is notnecessary to send a new command for each new frequency to be measured.To: For frequency and period measurements, the "range" parameter is used to compute a specificmeasurement resolution (see the table on page 203). When specifying a (non-default) resolution, both the rangeand resolution parameters must be specified within the MEASure? and CONFigure commands. Refer to pages209 and 213 for examples.

Chapter 5: Page 209Add under MEASure:FREQuency? and MEASure:PERiod?To measure frequency or period at a specific resolution (i.e. over a specific integration time), both the rangeand resolution must be specified. For example, to measure a 10 kHz signal using an integration time of 2 PLC(see table on page 203), the MEASure? command could be executed as:MEAS:FREQ? 10E3, 0.022, (@101)Chapter 5: Page 213Add under CONFigure:FREQuency and CONFigure:PeriodTo configure a frequency or period measurement at a specific resolution (i.e. over a specific integration time),both the range and resolution must be specified. For example, to configure the 34970A to measure a 10 kHzsignal using an integration time of 2 PLC (see table on page 203), the CONFigure command could be executedas:CONF:FREQ 10E3, 0.022, (@101)Chapter 5: Pages 215-218Change: :DC (parameter in the command syntax on the pages listed)To: [:DC] (the brackets [] indicate :DC parameter is optional)Chapter 5: Page 219Under: [SENSe:]TEMPerature:NPLC {0.02 0.2 1 2 10 20 100 200 MIN MAX}[,(@ ch list )]Add: :NPLC? [{(@ ch list ) [MIN MAX}]Change: table on page 203. For more information on time, refer to “Custom A/D To: table on page 203. For more information on integration time, refer to “Custom A/D Chapter 5: Page 236Change: “2002,06,02,18,30,00.000” (June 2, 2002 at 6:30 PM).To: 2002,06,02,18,30,00.000 (June 2, 2002 at 6:30 PM). (returned string does not include “ “)Chapter 5: Page 238Change: use the ROUT:MON:STATE ON command (see below). The :SCAN? query To: use the ROUT:MON:STATE ON command (see below). The :MONitor? query Chapter 5: Page 242Change: The instrument will accept a software (bus) command, an immediate (continuous) scan trigger, anexternal TTL trigger pulse, or an internally-paced timer. To: The instrument will accept a software (bus) command, an immediate (continuous) scan trigger, oran external TTL trigger pulse. Chapter 5: Page 246Change: CALCulate:SCALe:OFFSet:NULL (@ ch list )To: CALCulate:SCALe:OFFSet:NULL [(@ ch list )]

Chapter 5: Page 250For: CALCulate:LIMit:UPPer value [,(@ch list )]The default upper limit is “0”.Chapter 5: Page 251For: CALCulate LIMit:LOWer value [,(@ch list )]The default lower limit is ‘0’.Chapter 5: Page 294Change: DIAGnostic:RELay:CYCLes? [(@ ch list )]To: DIAGnostic:RELay:CYCLes? (@ ch list )(required parameter)Change: DIAGnostic:RELay:CYCLes:CLEar [(@ ch list )]To: DIAGnostic:RELay:CYCLes:CLEar (@ ch list )(required parameter)Chapter 6: Page 306Add: -138 Suffix not allowedA parameter suffix was specified when one was not allowed.Chapter 6: Page 316 (top of page)Add: Note – The following error messages indicate possible hardware failures within the instrument. Ifany of the following errors occur, contact your nearest Agilent Service Center for repair.Chapter 6: Page 317 (top of page)Add: Note – The following error messages indicate possible hardware failures within the instrument. Ifany of the following errors occur, contact your nearest Agilent Service Center for repairChapter 9: Page 404 ( Footnote [4] )Change: Without Scaling, add 4 additional error in 2-wire ohms function.To: Without Scaling, add 1 additional error in 2-wire ohms function.Chapter 9: Page 405 (Single Channel Measurement Rates)Change: FunctionResolutionReadings/sDCV, 2-Wire Ohms:6 ½ (10 PLC)6 (5)5 ½ (1 PLC)57 (47)4 ½ (0.02 PLC)600To:Thermocouple:0.1 C (1 PLC)(0.02 PLC)57 (47)220RTD, Thermistor:0.01 C (10 PLC)0.1 C (1 PLC)1.0 C (0.02 PLC)6 (5)57 (47)220FunctionDCV, 2-Wire Ohms:Resolution6 ½ (10 PLC)5 ½ (1 PLC)4 ½ (0.02 PLC)Readings/s6 (5)53 (47)490

Thermocouple:0.1 C (1 PLC)0.1 C (0.02 PLC)49 (47)280RTD, Thermistor:0.01 C (10 PLC)0.1 C (1 PLC)1.0 C (0.02 PLC)6 (5)47 (47)280Chapter 9: Page 406 ( Footnote [6] )Change: Input 100 mV. For 10 mV input, multiply % of reading error x10.To: Input 100 mV. For 10 mV to 100 mV inputs multiply % of reading error x10.Chapter 9: Page 407 (Single Channel Measurement Rates)Change: FunctionResolutionReadings/sFrequency, Period6 ½ Digits (1s gate)0.776 ½ Digits (1s gate)15 ½ Digits (100 ms)2.55 ½ Digits (100 ms)94 ½ Digits (10 ms)3.24 ½ Digits (10 ms)70To:FunctionFrequency, PeriodResolution6 ½ Digits (1s gate)5 ½ Digits (100 ms)4 ½ Digits (10 ms)Readings/s1970Chapter 9: Page 408 (Single Channel Measurement Rates)Change: Thermocouple:0.1 C (1 PLC)57 (47)(0.02 PLC)220To: Thermocouple:0.1 C (1 PLC)0.1 C (0.02 PLC)49 (47)280Chapter 9: Page 408 (General Specifications)Change: Safety: Conforms to CSA, UL-1244, IEC 1010 CAT ITo: Safety: IEC 61010-1:2001 / EN 61010-1:2001Canada: CSA C22.2 No. 61010.1:2004UL 61010-1:2004Change: Warranty:To: Warranty:3 years1 yearChapter 9: Page 412 (Analog Voltage (DAC) Output)Change: Accuracy: 1 year 5 C 0.15% 6 mV90 day 5 C 0.1% 6 mV24 hours 1 C 0.04% 4 mVTo: Accuracy1 year 5 C0.25% 20 mV

Updates – 34970A Service Guide (p/n 34970-90012 Edition 3)The following updates apply to Edition 3 of the 34970A Service Guide (p/n 34970-90012). The updates havebeen incorporated into Edition 4 of the guide. The service guide part number did not change.Page 9Change: If your 34970A fails within three years of original purchase, Agilent will repair of replace it free ofcharge. Call 1-877-447-7278 and ask for “Express Exchange.”To: If your 34970A fails within one year of original purchase, Agilent will replace it free of charge.Call 1-800-829-4444 and select "Option 3" followed by "Option 1".Chapter 1: Page 16 ( Footnote [4] )Change: Without Scaling, add 4 additional error in 2-wire ohms function.To: Without Scaling, add 1 additional error in 2-wire ohms function.Chapter 1: Page 17 (Single Channel Measurement Rates)Change: FunctionResolutionReadings/sDCV, 2-Wire Ohms:6 ½ (10 PLC)6 (5)5 ½ (1 PLC)57 (47)4 ½ (0.02 PLC)600To:Thermocouple:0.1 C (1 PLC)(0.02 PLC)57 (47)220RTD, Thermistor:0.01 C (10 PLC)0.1 C (1 PLC)1.0 C (0.02 PLC)6 (5)57 (47)220FunctionDCV, 2-Wire Ohms:Resolution6 ½ (10 PLC)5 ½ (1 PLC)4 ½ (0.02 PLC)Readings/s6 (5)53 (47)490Thermocouple:0.1 C (1 PLC)0.1 C (0.02 PLC)49 (47)280RTD, Thermistor:0.01 C (10 PLC)0.1 C (1 PLC)1.0 C (0.02 PLC)6 (5)47 (47)280Chapter 1: Page 18 ( Footnote [6] )Change: Input 100 mV. For 10 mV input, multiply % of reading error x10.To: Input 100 mV. For 10 mV to 100 mV inputs multiply % of reading error x10.