Fluke 35040 specification

35040

Operators Manual

A-2

Image 72

Fluke 35040 manual

Contents

35040 Therapy Dosimeter Fluke Biomedical Table of Contents Troubleshooting and Service Addendum Features of Firmware Version 27JAN00 or LaterSample Customization Reports Iii Blank Features IntroductionIntroduction Before You Start Safety Precautions Safety Symbols And TermsOperators Manual Specifications Factory Calibration Error Source ± %rdgMaximum Error Manual Addenda Full Scale Range Display Resolution Noise ± counts Full Scale Range Display ResolutionTimed Charge Measurements Current Measurements Specifications Effective Exposure Time MeasurementsGeneral Measurements High Performance Power Supply and Battery Charger Unpacking and Inspection 35040 Hardware Block Diagram of the Model 35040 Therapy Dosimeter Functional Description Power Supply Front PanelMicroController Serial Communications Port Basic Operating Equations ElectrometerBias Supply Multiplexer and A/D Converter Quantity Description Units Comments QExposureQAccum QAccumprevious Charge and Current Measurements Leakage Measurements= time of electrometer conversion s Exposure Charge and Dose Timed Charge and Dose Setting Thresholds Predicted Timed Charge and DoseAccumulated Charge and Dose Exposure Current and Rate Exposure Time DoseRate = I a × Iccf Units/C × Adcf × RateMultiplier s Air Density Correction Factor ⎝ PMm Hg = inch Hg x Standard Resolution Error Units Display Minimum Maximum Setup SetupFront Panel Familiarization Introduction Powering The System Rear Panel Familiarization Power-Up Self-Test and Display Messages Ion Chamber Connector Basic Measurement Techniques General ConsiderationsMaking Non-Timed Exposure Measurements Timer Setup Timer Use3Making Timed Exposure Measurements Battery Care Using Other Ion Chambers Power Battery CareOperation Instructions Front Panel Controls Powering Up the Model 35040 Therapy Dosimeter Powering Down the Model 35040 Therapy Dosimeter Using the Test Function ButtonOperation Instructions QScaleFactor=1.0000 IScaleFactor=1.0000 12. The Test Function Screen Showing the Timer Settings 5Automatic Leakage Compensation Calibrated by Keithley RMD Nov 15 6Timer Setup 17. The Test Function Screen Showing the Timer Settings Using the Detector Select Button Using the AIR Density Button Using the Units Select Button Using the Bias Select Button Set 300.0 V 100% Central Electrde Pos IC Bias 300.0 V CEP Using the RESET/MEASURE Button Overranging Conditions Reset Error Overrange ConditionsCondition Values Overranged Reset Error With Automatic Leakage Compensation Enabled AnnunciatorsAnnunciators Annunciator Condition Measurement Indicators and Conditions Indicator Measurement Condition? left of value Condition Overranged Measurement Installing/Uninstalling Customization Software CustomizationConnection to the Computer Starting the Customization Software Downloading Menu Items and ControlsCOM Port Drop Down List Ion Chambers Close or File CloseFile Save AS and File Print Edit OK and Cancel Special Items Download and Cancel 36. The Special Items Menu Calibration Temperature has focus Measurement Displays Operators Manual Available Display Lines Display Line Using the APPEND, DELETE, and Insert Buttons Display Line Group SelectionSelecting an Item and Placing It Changing a Line on a Display Timer Intervals 38. The Timer Intervals Form Bias Settings 39. The Bias Settings Form Examples Changing the Pressure Units Customizing a Measurement DisplayAppending a Display Deleting a Display Errors Troubleshooting and Service Troubleshooting Symptom Display does not light up when Power is pressed Symptom ??Bias annunciator displayedSymptom HiBias annunciator displayed Symptom LoBias annunciator displayed Symptom Internal Reset Error displayed Symptom Configuration Error displayedBit Description Action Do not make Symptom Current Overrange Displayed Symptom Dashes displayed instead of digitsSymptom Bias voltage measurement changes by one digit Measurements. Return Example 299.9 to Display Will Not Light Low Battery Hours? Is the battery voltage greater than 5.9 volts? Bias Error Go toLine Line Fuse Replacement Model 35040 Therapy Dosimeter Fuse Replacement Interface Connector Cleaning Cleaning The InstrumentReplaceable Parts Information Warranty Information Replaceable Parts ListRecalibration, Repair Information & Technical Assistance Replaceable Parts Information Blank Sample Customization Reports Sample Documents 35040 Appendix Sample Customization Reports 35040 Appendix Sample Customization Reports Blank Introduction New Features OverviewTimed Measurements Specifications Update Setup New Features B Timer Setup Procedure Timer Use ProcedureMaking Timed Exposure Measurements RESET/MEASURE Setup B ADC ALC Automatic Leakage Compensation Start NA pA Stop Thres Current Operation Instructions B Timer Setup Decimal Places Annunciators, Indicators, and Overrange Conditions Table B-2. Measurement Indicators and ConditionsTable B-1. Annunciators Table B-3. Overrange Conditions Condition Overranged Measurement1 Theory Of Operation Theory of Operation Configuration Error Service Required Error Number Main Menu Measurement MenuMeasurement Displays 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