Fluke-biomedical 35080M User Manual

35080M kVp Divider Operators Manual July 2006 Manual No. 1210001000 Rev. 3 ©2004, 2005, 2006 Fluke Corporation, All r

General InformationSpecifications 1 1-3Table 1-2. The Wide Range Filter Pack (37617) Specifications Range: 50 to 150 kVp Sensitivity: 0.1 V/10 kV

35080M Operators Manual 1-4 1.5 Nomenclature CAL/BAT CHKRUNBATSTATUSDIVIDERkVp 12345 1) Filter Pack Input Jacks 2) Battery Statu

OperationBattery Check 2 2-1Section 2 Operation Prior to taking measurements with the Model 35080M kVp Divider, it is suggested that the battery

35080M Operators Manual 2-2 2.5 Oscilloscope Zero and Offsets It is assumed that the operator is familiar with the use of a storage oscilloscope

OperationOscilloscope Zero and Offsets 2 2-3 1A) 1B) 120 kV 160 kV 110 kV 150 kV 100 kV 140 kV 90 kV 130 kV

35080M Operators Manual 2-4 In positioning the kVp divider, the long axis of the instrument should be perpendicular to the X-ray tube axis to elimin

OperationFiltration Effect Corrections 2 2-52.6 Filtration Effect Corrections Corrections for filtration are made with the correction curves in Fig

35080M Operators Manual 2-62.7 Linearity Corrections Corrections for linearity in using the Wide Range Filter Pack (37617) are made by taking the a

Theory of OperationIntroduction 3 3-1Section 3 Theory of Operation 3.1 Introduction When used with the Wide Range Filter Pack (37617) the Model 3

35080M Operators Manual 3-2 Figure 3-2 Output Ratio Plotted as a Function of kV Figure 3-3. Ou

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Theory of OperationOutput 3 3-33.4 Output In the Model 35080M kVp Divider, the intensity ratio is taken with a high-speed logarithmic ratio module.

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Cadmium K-edge Mammo Filter Pack Option (37355)Introduction 4 4-1Section 4 Cadmium K-edge Mammo Filter Pack Option (37355) 4.1 Introduction The Cad

35080M Operators Manual 4-24.2 Specifications Intended Use Beryllium window, molybdenum anode mammographic generators Range 27.5 kVp to 29.5 kVp Ac

Cadmium K-edge Mammo Filter Pack Option (37355)Theory of Operation 4 4-3 Figure 4-2. The kVp Correction Curves for the Cadmium

35080M Operators Manual 4-42. Oscilloscope Setup - Connect the kVp Divider to the scope using a shielded cable and set the vertical sensitivity se

Cadmium K-edge Mammo Filter Pack Option (37355)Operating Instructions 4 4-5 Figure 4-5. The Model 35080M kVp Divider Outp

35080M Operators Manual 4-6 Figure 4-6. Single-phase Mammographic Generator Input Waveform Figure

35080M Operators Manual 4-7 When proceeding to Linear Measurement, Section 4.5, Operating Instructions, do not change the generator settings.

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iTable of Contents Section 1: General Information... 1-1 1.1 Intr

Linear Mammo Filter Pack Option (37351)Introduction 5 5-1Section 5 Linear Mammo Filter Pack Option (37351) 5.1 Introduction The Linear Mammo Filter

35080M Operators Manual 5-2 5.4 Corrections If the amount of molybdenum filtration were known, the correction could be made with the correction cur

Linear Mammo Filter Pack Option (37351)Corrections 5 5-3 Figure 5-2. The correction curve that shows the effect of adding 0.25mm Al (0.01in Al

35080M Operators Manual 5-4 Figure 5-3. Linear Measurement Setup 2. Connect the kVp Divider output to either a storage oscill

Linear Mammo Filter Pack Option (37351)Operating Instructions5 5-55. Measure other kVp values as desired. Record the LINEAR VOLTAGE, multiply by 1

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CT Filter Pack Option (33551)Introduction 6 6-1 Section 6 CT Filter Pack Option (33551) 6.1 Introduction The CT Filter Pack (33551) provides a non-i

35080M Operators Manual 6-26.3 Theory of Operation The Model 35080M kVp Divider contains a pair of solid-state detectors which when exposed to X-ray

CT Filter Pack Option (33551)Correction of Readings6 6-3 Figure 6-1. CT Filter Pack (33551) Filtration Effect Correction Cu

35080M Operators Manual 6-4 Figure 6-2. CT Filter Pack (33551) Linearity Correction CurvekVCorrection Value (kV) Linearity Corr

iiSection 5: Linear Mammo Filter Pack Option (37351)... 5-1 5.1 Introduction...

Mobile Filter Pack Plus Option (37946)Introduction 7 7-1Section 7 Mobile Filter Pack Plus Option (37946) 7.1 Introduction The Mobile Filter Pack Plu

35080M Operators Manual 7-27.2 Specifications Range 50 to 135 kV Sensitivity 0.1 V/10 kV Cal 0.600 V Zero 40 kV Cal 100 kV Calibration Filtration

Mobile Filter Pack Plus Option (37946)Linearity Corrections7 7-37.4 Linearity Corrections Corrections for linearity of the Mobile Filter Pack Plus (3

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Low Range Filter Pack Option (38237)Introduction 8 8-1Section 8 Low Range Filter Pack Option (38237) 8.1 Introduction The Low Range Filter Pack (382

35080M Operators Manual 8-28.4 Operating Instructions The operation of the Low Range Filter Pack (38237) is similar to the operation of the Wide Ran

Low Range Filter Pack Option (38237)Filtration Effect Correction8 8-38.5 Filtration Effect Correction The Low Range Filter Pack (38237) is calibrated

35080M Operators Manual 8-4 Figure 8-2. Low Range Filter Pack (38237) Linearity Correction Curve. The kVp Correction Value

MaintenanceCleaning the Instrument 9 9-1 Section 9 Maintenance 9.1 Cleaning the Instrument To clean the exterior of the instrument, follow these st

35080M Operators Manual 9-2PROBLEMS WITH THE MODEL 35080M KVP DIVIDER 1. The power battery may be weak or dead. Check the battery and replace it

iiiAppendix B: Correcting kVp Measurements for Gain Effects ...B-1 B.1 Introduction...

MaintenanceBattery Replacement 9 9-3 COVERTABSLIP OFCASE Figure 9-1. Battery Replacement for the Model 35080M kVp Divider 9.4 Replaceable

35080M Operators Manual 9-4 9.5 Recalibration & Repair Information/Technical Assistance If your instrument needs recalibration or repair, we req

AppendixMammographic Measurements With The Model 35080M A A-1Section A Mammographic Measurements with the Model 35080M A.1 Introduction We recommen

35080M Operators Manual A-24. Measure the peak voltage and record in box A on the accompanying data sheet. (Figure A-2.) Part B 1. Set the genera

AppendixLinear MeasurementA A-3LINEAR MEASUREMENT PROCEDURE Part A 1. With the generator settings used for K-edge measurement in Part C make an expo

35080M Operators Manual A-4 Set kVp K-edge Voltage True kVp Linear Voltage Linear kVp Correction Value Corrected kVp 22 ⎯⎯⎯ ⎯⎯⎯ 23 ⎯⎯⎯

AppendixCorrecting kVp Measurements For Gain Effects B B-1 Section B Correcting kVp Measurements for Gain Effects B.1 Introduction The purpose o

35080M Operators Manual B-2B.3 Voltmeter Measurements If the output of the Model 35080M kVp Divider is connected to a voltmeter, a mathematical cor

Appendix The Model 35050AT Dosimeter MeasurementsB B-3 ()offset Zerooffset ZerokVp CAL Actualoffset ZerokVp CAL Expectedoffset ZerokVp Measuredk

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AppendixProcedure For Making kVp Measurements C C-1Section C Procedure for Making kVp Measurements on Rhodium Anode, Rhodium Filtration Selection of

35080M Operators Manual C-2Use the following procedure to measure kVp on the rhodium anode, rhodium filtration selection of the DMR. 1. Acquire a C

AppendixProcedureC C-3Table C-2. Look-up-table for Linear Mammo Filter Pack (37351) measurements made on Rh anode, Rh filtration selection of DMR mam

35080M Operators Manual C-44. For all subsequent measurements at other generator settings, use the following procedure. First, obtain a reading us

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General InformationIntroduction 1 1-1Section 1 General Information 1.1 Introduction The Model 35080M kVp Divider is an alternative to high-voltage

35080M Operators Manual 1-2The equipment described in this manual is intended to be used for the detection and measurement of ionizing radiation. I

35080M Operators Manual 1-3 1.4 Specifications Range 50-150 kVp with the Wide Range Filter Pack (37617) Accuracy ± 2% of reading, exclusive of line