Fluke Biomedical 440RF - Manual (Page 3)

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Table of Contents
Section 1: General Information................................................................................... 1-1
1.1 Product Description ..................................................................................... 1-1
1.2 Specifications............................................................................................... 1-2
1.3 Getting
Started............................................................................................. 1-3
Section 2: Operation.................................................................................................... 2-1
2.1 Controls and Indicators ................................................................................ 2-1
2.2 Power, Battery Check and Range Changing ............................................... 2-1
2.3 Instrument Positioning and Scanning .......................................................... 2-2
2.4 Chamber Location ....................................................................................... 2-6
2.5 Measurement of Exposure Rate .................................................................. 2-6
2.6 Source Geometry Corrections ..................................................................... 2-7
2.7 Chamber Corrections................................................................................. 2-12
2.8 Low Level Measurements .......................................................................... 2-13
2.9 Operational Check Source......................................................................... 2-15
Section 3: Theory of Operation................................................................................... 3-1
3.1 General ........................................................................................................ 3-1
Section 4: Circuit Description..................................................................................... 4-1
4.1 Ion Chamber ................................................................................................ 4-1
4.2 Probe ........................................................................................................... 4-1
4.3 Analog
Board ............................................................................................... 4-1
4.4 CPU Board................................................................................................... 4-3
4.5 Switchboard ................................................................................................. 4-3
4.6 Motherboard ................................................................................................ 4-3
4.7 Analog
Meter Readout ................................................................................. 4-3
4.8 Meter and RF Filtration ................................................................................ 4-3
Section 5: Maintenance, Repair and Calibration ....................................................... 5-1
5.1 Maintenance ................................................................................................ 5-1
5.2 Battery
Replacement ................................................................................... 5-1
5.3 Repair and Calibration ................................................................................. 5-1
Section 6: Replacement Parts .................................................................................... 6-1
6.1 Replacement Parts ...................................................................................... 6-1