Fluke-biomedical 440RF User Manual

Victoreen® 440RF/D Low Energy RF Shield Survey Meter Operators Manual March 2005 Manual No. 440-500-1 Rev. 5 ©2004

Victoreen 440RF/D Operators Manual 2-2 Once the battery check has been successfully completed, rotate the function/range switch to the first exposur

OperationInstrument Positioning and Scanning2 2-3the magnesium window, an operator should keep the window facing the field of increasing intensity

Victoreen 440RF/D Operators Manual 2-4 Figure 2-2. General Vicinity Scanning 1 ½ in. Maximum Line

OperationInstrument Positioning and Scanning2 2-5 Figure 2-3. Chamber Reference Dimensions 2.44”,6.2 cm 1.97”5.0 cm 2.

Victoreen 440RF/D Operators Manual 2-6 2.4 Chamber Location Some information regarding the actual location of the ion chamber within the case, in te

OperationMeasurement of Exposure Rate2 2-7Obtaining Readings from Indications The instructions supplied here generally apply to high and low level

Victoreen 440RF/D Operators Manual 2-8 Small Cross-Section Beam As described earlier (refer to Section 2.6, Proximate Source), constant radiation in

OperationSource Geometry Corrections2 2-9Range Position: 100 mR/h Indication (On “0-10” meter arc): Four (4) major divisions plus two and one-half

Victoreen 440RF/D Operators Manual 2-10 Distance in Inches from “Measurement Plane” to SourceCorrection Factor Distance

OperationSource Geometry Corrections2 2-11 Figure 2-7. Skew Beam Surface of Apparatus Non-Ionized VolumeSkew BeamSkew Beam AxisC

Fluke Biomedical Radiation Management Services 6045 Cochran Road Cleveland, Ohio 44139 440.498.256

Victoreen 440RF/D Operators Manual 2-12 Figure 2-8. Plane Source (Color TV Screen) 2.7 Chamber Corrections Energy Dependence The de

OperationChamber Corrections2 2-13Additional Equilibrium Wall Material For effective energies above 250 keV, additional equilibrium wall material s

Victoreen 440RF/D Operators Manual 2-14 External Background Radiation Even in the absence of an artificial external radiation field, an external fi

OperationLow Level Measurements2 2-15For example, in Figure 2-10, a portion of the meter scale is shown and a certain fluctuating indication is rep

Victoreen 440RF/D Operators Manual 2-16 Use of the operational check source constitutes a low level measurement. The information provided in Se

Theory of OperationGeneral3 3-1Section 3 Theory of Operation 3.1 General When the ion chamber is exposed to radiation, the internal air volume bec

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Circuit DescriptionIon Chamber4 4-1Section 4 Circuit Description 4.1 Ion Chamber The ion chamber serves as the input transducer of the instrument.

Victoreen 440RF/D Operators Manual 4-2 The output of the buffer amplifier is applied to one programmable gain amplifier, while a sample of the -18

Circuit DescriptionCPU Board4 4-3Operating power for the instrument is provided by three 9 V alkaline transistor batteries. The + 5 V sources requ

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

Victoreen 440RF/D Operators Manual 4-4 Figure 4-2. Analog Board Schematic Diagram

Circuit DescriptionMeter and RF Filtration4 4-5 Figure 4-3. CPU Board Schematic Diagram

Victoreen 440RF/D Operators Manual 4-6 Figure 4-4. Switchboard Schematic Diagram

Circuit DescriptionMeter and RF Filtration4 4-7Figure 4-5. Motherboard Schematic Diagram

Victoreen 440RF/D Operators Manual (Blank page)

Maintenance, Repair, and CalibrationMaintenance5 5-1Section 5 Maintenance, Repair and Calibration 5.1 Maintenance The only maintenance necessary

Victoreen 440RF/D Operators Manual (Blank page)

Replacement PartsReplacement Parts6 6-1Section 6 Replacement Parts 6.1 Replacement Parts Part No. Description Qty. 16-29 9 V Battery ALK 5 440-

Fluke Biomedical Radiation Management Services 6045 Cochran Road Cleveland, Ohio 44139 440.498.2564

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General InformationProduct Description1 1-1Section 1 General Information 1.1 Product Description The Model 440RF/D Low Energy RF Shielded Survey

Victoreen 440RF/D Operators Manual 1-2 1.2 Specifications Full Scale Range Model 440RF/D: 0 to 1, 0 to 3, 0 to10, 0 to 30 and 0 to 100 mR/h Model 4

General InformationGetting Started1 1-31.3 Getting Started Receiving Inspection Upon receipt of the unit: 1. Check the shipping carton(s) and thei

Victoreen 440RF/D Operators Manual (Blank page)

OperationControls and Indicators2 2-1Section 2 Operation 2.1 Controls and Indicators Function/Range Switch Function/Range Switch positions include