Fluke
35040
manual
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Troubleshooting
Specs
Parts list
Standard Resolution Error
Timer Use
Safety Symbols And Terms
Using the RESET/MEASURE Button
Setup
Ion Chamber Connector
Battery Care
Page 76
35040
Operators Manual
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Contents
35040
Therapy Dosimeter
Fluke Biomedical
Table of Contents
Addendum Features of Firmware Version 27JAN00 or Later
Troubleshooting and Service
Sample Customization Reports
Iii
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Introduction
Features
Introduction
Safety Symbols And Terms
Before You Start Safety Precautions
Operators Manual
Specifications
Factory Calibration Error Source ± %rdg
Maximum Error
Manual Addenda
Full Scale Range Display Resolution Noise ± counts
Full Scale Range Display Resolution
Timed Charge Measurements
Current Measurements
Effective Exposure Time Measurements
Specifications
General 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 Panel
MicroController
Serial Communications Port
Basic Operating Equations
Electrometer
Bias Supply
Multiplexer and A/D Converter
Quantity Description Units Comments
QExposure
QAccum
QAccumprevious
Leakage Measurements
Charge and Current Measurements
= time of electrometer conversion s
Exposure Charge and Dose
Timed Charge and Dose
Setting Thresholds
Predicted Timed Charge and Dose
Accumulated Charge and Dose
Exposure Current and Rate
Exposure Time
DoseRate = I a × Iccf Units/C × Adcf × RateMultiplier s
⎝ P
Air Density Correction Factor
Mm Hg = inch Hg x
Standard Resolution Error
Units Display Minimum Maximum
Setup
Setup
Front Panel Familiarization
Introduction
Powering The System
Rear Panel Familiarization
Power-Up Self-Test and Display Messages
Ion Chamber Connector
General Considerations
Basic Measurement Techniques
Making Non-Timed Exposure Measurements
Timer Use
Timer Setup
3Making Timed Exposure Measurements
Battery Care
Using Other Ion Chambers
Power
Battery Care
Operation Instructions
Front Panel Controls
Powering Up the Model 35040 Therapy Dosimeter
Using the Test Function Button
Powering Down the Model 35040 Therapy Dosimeter
Operation 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
Overrange Conditions
Reset Error
Condition Values Overranged
Reset Error With Automatic Leakage Compensation Enabled
Annunciators
Annunciators
Annunciator Condition
Measurement Indicators and Conditions
Indicator Measurement Condition
? left of value
Condition Overranged Measurement
Installing/Uninstalling Customization Software
Customization
Connection to the Computer
Starting the Customization Software
Menu Items and Controls
Downloading
COM Port Drop Down List
Close or File Close
Ion Chambers
File 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 Selection
Selecting 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 Display
Appending a Display
Deleting a Display
Errors
Troubleshooting and Service
Troubleshooting
Symptom Display does not light up when Power is pressed
Symptom ??Bias annunciator displayed
Symptom HiBias annunciator displayed
Symptom LoBias annunciator displayed
Symptom Internal Reset Error displayed
Symptom Configuration Error displayed
Bit Description Action
Do not make
Symptom Current Overrange Displayed
Symptom Dashes displayed instead of digits
Symptom 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?
Go to
Bias Error
Line
Line Fuse Replacement
Model 35040 Therapy Dosimeter Fuse Replacement
Cleaning The Instrument
Interface Connector Cleaning
Replaceable Parts Information
Warranty Information
Replaceable Parts List
Recalibration, Repair Information & Technical Assistance
Replaceable Parts Information
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Sample Customization Reports
Sample Documents
35040
Appendix Sample Customization Reports
35040
Appendix Sample Customization Reports
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Overview
Introduction New Features
Timed Measurements
Specifications Update
Setup
New Features B
Timer Use Procedure
Timer Setup Procedure
Making 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
Table B-2. Measurement Indicators and Conditions
Annunciators, Indicators, and Overrange Conditions
Table B-1. Annunciators
Table B-3. Overrange Conditions
Condition Overranged Measurement1
Theory Of Operation
Theory of Operation
Configuration Error Service Required Error Number
Measurement Menu
Main Menu
Measurement 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
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