Fluke 35040 manual Ion Chambers, Close or File Close, File Save AS and File Print

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Operation

Customization 3

CONNECT

Select CONNECT to force an initialization the computer’s serial port for use with the 35040 Customization Software. Normally initialization is done automatically at the start of the 35040 Customization Software or by selecting the serial port from the Com Port drop down list.

UPLOAD

Select UPLOAD to request the Dosimeter to send a listing of all the Customization Settings. When depressed, all Customization forms are cleared and the Dosimeter’s latest settings are written to the forms.

PRINT

Select PRINT to create a printed report of the customization items. The report will contain the current state of all customization items within the Model 35040 Therapy Dosimeter. The report includes:

•All Ion Chambers including Title, Description, Calibration Factor, and Calibration Units

•All Special Items (Power Down Interval, Temperature and Pressure Units, Calibration Temperature, and Optional Text Lines)

•All Measurement Displays printed as they would appear on the instrument’s front panel

•The Calibration Factors and Calibration Identification

•All the Bias Settings

CLOSE or FILE CLOSE

Select CLOSE to terminate the Customization program. The program verifies the choice of Close before terminating the program. Select “Yes” to exit; select “No” to return to the Customization program.

FILE SAVE AS and FILE PRINT

Select FILE SAVE AS to generate a customization report and save it as a text file on the computer. A standard Windows dialog box will be shown for naming the text file. Use FILE PRINT to select a customization report and then print it.

FILE PRINT SETUP

Select FILE PRINT SETUP to select a printer for printing the customization reports.

3.10.7 Ion Chambers

Figure 3-34 shows the Ion Chambers form. This form contains a List Box listing all of the ion chambers available in the Model 35040 Therapy Dosimeter and a Parameter Display (titled Ion Chamber Parameters) that displays the parameters for the selected ion chamber. At the bottom, there are four buttons labeled APPEND, INSERT, DELETE, and STORE. Finally, a brief explanation of the controls on the Ion Chamber’s form appears at the lower right. Use the vertical scroll bar to view the complete description of the controls.

Within this form you may edit or remove any ion chamber in the instrument’s list. Also, you may add or insert an ion chamber into the list.

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Contents Therapy Dosimeter 35040Fluke 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 Manual Addenda SpecificationsFactory Calibration Error Source ± %rdg Maximum ErrorCurrent Measurements Full Scale Range Display Resolution Noise ± countsFull Scale Range Display Resolution Timed Charge MeasurementsGeneral Measurements SpecificationsEffective Exposure Time Measurements High Performance Power Supply and Battery Charger Unpacking and Inspection 35040 Functional Description Hardware Block Diagram of the Model 35040 Therapy DosimeterSerial Communications Port Power SupplyFront Panel MicroControllerMultiplexer and A/D Converter Basic Operating EquationsElectrometer Bias SupplyQAccumprevious Quantity Description Units CommentsQExposure QAccum= time of electrometer conversion s Charge and Current MeasurementsLeakage Measurements Timed Charge and Dose Exposure Charge and DoseExposure Current and Rate Setting ThresholdsPredicted Timed Charge and Dose Accumulated Charge and DoseDoseRate = I a × Iccf Units/C × Adcf × RateMultiplier s Exposure TimeMm Hg = inch Hg x Air Density Correction Factor⎝ P Units Display Minimum Maximum Standard Resolution ErrorIntroduction SetupSetup Front Panel FamiliarizationRear Panel Familiarization Powering The SystemIon Chamber Connector Power-Up Self-Test and Display MessagesMaking Non-Timed Exposure Measurements Basic Measurement TechniquesGeneral Considerations 3Making Timed Exposure Measurements Timer SetupTimer Use Using Other Ion Chambers Battery CareFront Panel Controls PowerBattery Care Operation InstructionsPowering 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 5Automatic Leakage Compensation 12. The Test Function Screen Showing the Timer SettingsCalibrated by Keithley RMD Nov 15 17. The Test Function Screen Showing the Timer Settings 6Timer SetupUsing the AIR Density Button Using the Detector Select ButtonUsing the Bias Select Button Using the Units Select ButtonSet 300.0 V 100% Central Electrde Pos IC Bias 300.0 V CEP Overranging Conditions Using the RESET/MEASURE ButtonCondition Values Overranged Reset ErrorOverrange Conditions Annunciator Condition Reset Error With Automatic Leakage Compensation EnabledAnnunciators AnnunciatorsCondition Overranged Measurement Measurement Indicators and ConditionsIndicator Measurement Condition ? left of valueStarting the Customization Software Installing/Uninstalling Customization SoftwareCustomization Connection to the ComputerCOM Port Drop Down List DownloadingMenu Items and Controls File Save AS and File Print Ion ChambersClose or File Close Edit Special Items OK and Cancel36. The Special Items Menu Calibration Temperature has focus Download and CancelMeasurement Displays Display Line Operators Manual Available Display LinesChanging a Line on a Display Using the APPEND, DELETE, and Insert ButtonsDisplay Line Group Selection Selecting an Item and Placing It38. The Timer Intervals Form Timer Intervals39. The Bias Settings Form Bias SettingsExamples Deleting a Display Changing the Pressure UnitsCustomizing a Measurement Display Appending a DisplayErrors Troubleshooting Troubleshooting and ServiceSymptom LoBias annunciator displayed Symptom Display does not light up when Power is pressedSymptom ??Bias annunciator displayed Symptom HiBias annunciator displayedDo not make Symptom Internal Reset Error displayedSymptom Configuration Error displayed Bit Description ActionMeasurements. Return Symptom Current Overrange DisplayedSymptom Dashes displayed instead of digits Symptom Bias voltage measurement changes by one digitExample 299.9 to Display Will Not Light Hours? Is the battery voltage greater than 5.9 volts? Low BatteryLine Bias ErrorGo to Model 35040 Therapy Dosimeter Fuse Replacement Line Fuse ReplacementReplaceable Parts Information Interface Connector CleaningCleaning The Instrument Replaceable Parts Information Warranty InformationReplaceable Parts List Recalibration, Repair Information & Technical AssistanceBlank Sample Documents Sample Customization Reports35040 Appendix Sample Customization Reports 35040 Appendix Sample Customization Reports Blank Timed Measurements Introduction New FeaturesOverview Specifications Update New Features B SetupMaking Timed Exposure Measurements Timer Setup ProcedureTimer Use Procedure Setup B RESET/MEASUREAutomatic Leakage Compensation ADC ALCOperation Instructions B Start NA pA Stop Thres CurrentDecimal Places Timer SetupTable B-1. Annunciators Annunciators, Indicators, and Overrange ConditionsTable B-2. Measurement Indicators and Conditions Condition Overranged Measurement1 Table B-3. Overrange ConditionsTheory 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
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