Fluke 90100 manual Features, Model

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Model 90100

Operators Manual

cable is of a design that provides a high degree of flexibility and allows it to flatten to fit under a treatment room entrance door.

Included with each 90100 TRACKER System is an MS-DOS based Customization program that provides a means of performing field customization and calibrations. Some of the items that may be field customized include the measurement display units, temperature and pressure units, the ion chamber calibration factors, and the number of minutes to power down. This program may also be used to generate a printed report containing all of the customization and calibration settings.

A number of optional accessories including a carrying case for storage and transport, build-up plates of various thickness/materials, and a build-up retaining hardware kit are available also.

1.2 Features

•Measurement values from peripheral ion chambers may be displayed in either absolute dose measurement units or as a percentage of the center ion chamber's measurement value.

•A wide AC Line Input Range of 100 to 240 VAC and the use of an IEC 320/C13 style receptacle provide worldwide operation by use of the proper line cord.

•The levels of the internal 300 V electronic bias supply and the rechargeable battery supply are continuously monitored. Annunciators appear on the display if an abnormal bias voltage or low battery voltage level is detected.

•All front panel settings are automatically stored at power down and restored at power up eliminating the need to reconfigure the front panel settings upon each use.

•Dose measurement values may be displayed in units of roentgens, rads, sieverts, grays, or monitor units. Dose rate measurement values may be displayed in units of roentgens/min, rads/min, sieverts/min, grays/min, or monitor units/min.

•Front panel gain settings allow the user to easily match displayed measurement values to the linear accelerator's monitor readout or to a precision calibration.

•Precision five-channel electrometer provides ± 0.003% linearity and a long-term stability of better than 0.25% of reading per year.

•The system may be operated from either AC line power source or from its internal battery. The batteries will be charged during use from AC line power.

•A high performance rechargeable battery system provides 8 hours of continuous operation from a 3-hour charge. A low battery annunciator indicates when 30 minutes or less of operation remains.

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Contents Model Tracker SystemFluke Biomedical Table of Contents Theory of Operation Maintenance and ServiceAppendix a Using Build-Up CustomizationGeneral Information IntroductionFeatures ModelSpecifications Before You Start Safety PrecautionsSafety Terms Manual AddendaRecommended Operation Conditions Nominal Ion Chamber CharacteristicsMechanical Specifications Ion Chamber Factory CalibrationModel 35360A Tracker Display Measurements ModeDisplay Mode Electrometer / A-D ConverterInterface Cable Detector to Display High Performance Battery ChargerUnpacking and Inspection EnvironmentStandard System Contents Optional EquipmentBlank Operation Rear Panel FamiliarizationPowering the System Detector InputDisplay. Be sure to use the correct end of the cable Positioning the Model 35300A Detector in the Beam 3 RS-232 Computer Interface RJ-45 StyleOperation Positioning the Model 353300A Detector in the Beam Operation Instructions Front Panel ControlsTest/Detector PowerReset Units SelectPowering Up the Model 35360A Tracker Display Powering Down the Model 35360A Tracker DisplayUsing the TEST/DETECTOR Button Using the Units Select Button Test/Detector Screen 2 Ion Chamber Calibration FactorsUsing the AIR Density Button Using the Gain Select Button Normal ModeUsing the Measure Select Button Normal Mode Absolute MeasurementsPercent-of-Center Measurements Battery and Bias Annunciators Underranging and Overranging ConditionsGain Setting Mode 24. Positions of the Battery and Bias AnnunciatorsSaving the Fpgf Changes Aborting the Fpgf ChangesBlank Theory of Operation Power Supply Hardware Block Diagram of the Model 35360A Tracker DisplayProcessor Front Panel Switches2 300-VOLT Electronic Bias Supply VFD DisplaySerial Communications Port ElectrometerMultiplexer and A/D Converter Model 35300A Ion Chamber Detectors Air Density CorrectionsBasic Operating Equations Basic Operating Quantities Blank Maintenance & Service Troubleshooting ProblemNo Display Flowchart Low Battery Indication at the Display Low battery Yes Annuciator displayed?Bias Error LoBias or HiBias Indication at the Display 35360A TrackerLeakage Flowchart Line Fuse Replacement Dose Rate Measurement Zero Problem FlowchartIf fuses continue to blow return instrument for repair Interface Connector Cleaning Cleaning the InstrumentReplaceable Parts Information Replaceable Parts List Recalibration & Repair Information / Technical AssistanceCustomization Starting the Customization Software Make a Working DiskConnection to the Computer Screen FormatsDisplay Customization Items Screen Appearance F6 Print Report Printing F1 Help On-Line Help for using the Customization softwareF2 Edit Item Editing F10 ExitDefinitions Current Gain, Current Zero IG and ADZ Setting the Electrometer Gains and OffsetsCharge Gain QG Ion Chamber Calibration Factor IccfElectrometer Current Gain IG Electrometer Charge Gains QGChanging the Power Down Interval Usage ExamplesChanging the ION Chamber Calibration Factor Units Errors Input ErrorsUsing Build-Up Build-Up, Peg, and Retainer Kit OptionsNominal Number of build-up Solid Water Appendix Fluke Biomedical
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