Fluke 35040 manual Examples

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35040

Operators Manual

When you press Bias Select on the Model 35040 Therapy Dosimeter front panel, the UP & DOWN keys allow you to select the bias settings in the order you entered them in the Bias Settings dialog box.

3.10.12 Examples

The following examples describe many functions of the Customization program.

Editing an Ion Chamber

To change an ion chamber’s parameters, first select Ion Chambers from the menu.

1.Click twice on the ion chamber you want to modify.

2.Keyboard: To edit the Title, Description, or Calibration factor, start typing. The program places the text into the focused area. Also, a blinking cursor indicates the position of the next character. To select another parameter to edit, use the mouse to move the focus. To select different units, press the DOWN arrow key to drop the list and to make a selection. Press OK to accept the new settings; press CANCEL to retain the original settings.

Appending or Inserting an Ion Chamber

You may add or insert an ion chamber into the list of ion chambers by selecting APPEND or INSERT. Append adds an ion chamber to the end of the list. Insert inserts an ion chamber ahead of the one highlighted on the list.

APPEND

1.Click on the APPEND button.

2.The program enters the Edit mode where you may change the parameters as described in the first example. Select OK to complete the APPEND operation; select CANCEL to abort it.

INSERT

1.Click on an ion chamber ahead of which to insert a new ion chamber.

2.Click on the INSERT button.

3.The program enters the Edit mode where you may change the parameters as described in the first example. Select OK to complete the INSERT operation; select CANCEL to abort it.

To abort the Append or Insert operation, select CANCEL. If you select OK, the program sends the information to the instrument along with instructions to append or insert the ion chamber information.

Deleting an Ion Chamber

Select DELETE to remove the highlighted ion chamber from the list. When you click on DELETE, you are asked to confirm the deletion. Select YES to delete the ion chamber; select NO to stop the delete operation.

Storing the Modified Ion Chamber Settings in the Dosimeter

Click on STORE so that changes made to the instrument’s ion chamber list are stored permanently. This process may last 70 seconds.

NOTE

If changes were made to the ion chamber list and not stored permanently with the STORE button, they are permanently stored when another customization form is selected.

Changing the Power Down Interval

To change the Power Down Interval, select Special Items from the Main menu. This example changes the Power Down Interval to 15 minutes.

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Contents 35040 Therapy DosimeterFluke Biomedical Table of Contents Sample Customization Reports Troubleshooting and ServiceAddendum Features of Firmware Version 27JAN00 or Later Iii Blank Introduction FeaturesIntroduction Operators Manual Before You Start Safety PrecautionsSafety Symbols And Terms Specifications Factory Calibration Error Source ± %rdgMaximum Error Manual AddendaFull Scale Range Display Resolution Noise ± counts Full Scale Range Display ResolutionTimed Charge Measurements Current MeasurementsGeneral Measurements SpecificationsEffective Exposure Time Measurements High Performance Power Supply and Battery Charger Unpacking and Inspection 35040 Hardware Block Diagram of the Model 35040 Therapy Dosimeter Functional DescriptionPower Supply Front PanelMicroController Serial Communications PortBasic Operating Equations ElectrometerBias Supply Multiplexer and A/D ConverterQuantity Description Units Comments QExposureQAccum QAccumprevious= time of electrometer conversion s Charge and Current MeasurementsLeakage Measurements Exposure Charge and Dose Timed Charge and DoseSetting Thresholds Predicted Timed Charge and DoseAccumulated Charge and Dose Exposure Current and RateExposure Time DoseRate = I a × Iccf Units/C × Adcf × RateMultiplier sMm Hg = inch Hg x Air Density Correction Factor⎝ P Standard Resolution Error Units Display Minimum MaximumSetup SetupFront Panel Familiarization IntroductionPowering The System Rear Panel FamiliarizationPower-Up Self-Test and Display Messages Ion Chamber ConnectorMaking Non-Timed Exposure Measurements Basic Measurement TechniquesGeneral Considerations 3Making Timed Exposure Measurements Timer SetupTimer Use Battery Care Using Other Ion ChambersPower Battery CareOperation Instructions Front Panel ControlsPowering Up the Model 35040 Therapy Dosimeter Operation Instructions Powering Down the Model 35040 Therapy DosimeterUsing the Test Function Button QScaleFactor=1.0000 IScaleFactor=1.0000 12. The Test Function Screen Showing the Timer Settings 5Automatic Leakage CompensationCalibrated by Keithley RMD Nov 15 6Timer Setup 17. The Test Function Screen Showing the Timer SettingsUsing the Detector Select Button Using the AIR Density ButtonUsing the Units Select Button Using the Bias Select ButtonSet 300.0 V 100% Central Electrde Pos IC Bias 300.0 V CEP Using the RESET/MEASURE Button Overranging ConditionsCondition Values Overranged Reset ErrorOverrange Conditions Reset Error With Automatic Leakage Compensation Enabled AnnunciatorsAnnunciators Annunciator ConditionMeasurement Indicators and Conditions Indicator Measurement Condition? left of value Condition Overranged MeasurementInstalling/Uninstalling Customization Software CustomizationConnection to the Computer Starting the Customization SoftwareCOM Port Drop Down List DownloadingMenu Items and Controls File Save AS and File Print Ion ChambersClose or File Close Edit OK and Cancel Special ItemsDownload and Cancel 36. The Special Items Menu Calibration Temperature has focusMeasurement Displays Operators Manual Available Display Lines Display LineUsing the APPEND, DELETE, and Insert Buttons Display Line Group SelectionSelecting an Item and Placing It Changing a Line on a DisplayTimer Intervals 38. The Timer Intervals FormBias Settings 39. The Bias Settings FormExamples Changing the Pressure Units Customizing a Measurement DisplayAppending a Display Deleting a DisplayErrors Troubleshooting and Service TroubleshootingSymptom Display does not light up when Power is pressed Symptom ??Bias annunciator displayedSymptom HiBias annunciator displayed Symptom LoBias annunciator displayedSymptom Internal Reset Error displayed Symptom Configuration Error displayedBit Description Action Do not makeSymptom Current Overrange Displayed Symptom Dashes displayed instead of digitsSymptom Bias voltage measurement changes by one digit Measurements. ReturnExample 299.9 to Display Will Not Light Low Battery Hours? Is the battery voltage greater than 5.9 volts?Line Bias ErrorGo to Line Fuse Replacement Model 35040 Therapy Dosimeter Fuse ReplacementReplaceable Parts Information Interface Connector CleaningCleaning The Instrument Warranty Information Replaceable Parts ListRecalibration, Repair Information & Technical Assistance Replaceable Parts InformationBlank Sample Customization Reports Sample Documents35040 Appendix Sample Customization Reports 35040 Appendix Sample Customization Reports Blank Timed Measurements Introduction New FeaturesOverview Specifications Update Setup New Features BMaking Timed Exposure Measurements Timer Setup ProcedureTimer Use Procedure RESET/MEASURE Setup BADC ALC Automatic Leakage CompensationStart NA pA Stop Thres Current Operation Instructions BTimer Setup Decimal PlacesTable B-1. Annunciators Annunciators, Indicators, and Overrange ConditionsTable B-2. Measurement Indicators and Conditions Table B-3. Overrange Conditions Condition Overranged Measurement1Theory Of Operation Theory of OperationConfiguration Error Service Required Error Number Measurement Displays Main MenuMeasurement Menu Figure B-9 shows the Measurement Displays dialog box Table B-4. Available Display Lines Figure B-10. The Timer Intervals dialog box Page Fluke Biomedical