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biodex ATOMLAB 100 - User Manual

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ATOMLAB 100
DOSE CALIBRATOR
OPERATION AND SERVICE MANUAL
VERSION 2.1
086-250
086-258
FN: 08-008 1/08
BIODEX
Biodex Medical Systems, Inc.
20 Ramsay Road, Shirley, New York, 11967-4704, Tel: 800-224-6339 (Int’l 631-924-9000), Fax: 631-924-9241, Email: sales@biodex.com, www.biodex.com

Table of Contents

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Summary

Warranty Information

Instrumentation Warranty Terms

Details on warranty against defects in materials and workmanship.

Calibration Warranty and Policy

Instrument accuracy warranty at time of shipment and recalibration.

Warranty Transferability

Statement regarding the non-transferable nature of the warranty.

Non-Warranty Service Options

Procedures and responsibilities for non-warranty repairs.

Service Procedure

Contacting Service Department

Steps for contacting Biodex service personnel for assistance.

Repair Service Charges

Details on charges for non-warranty repairs (materials, time, shipping).

Packing Slip and Unpacking

Shipping Cartons and Inspection

Instructions for inspecting and identifying shipping cartons.

Display Unit Carton Contents

Details on the items included in the display unit carton.

Detector Unit Carton Handling

Guidelines for handling and setting up the detector unit carton.

Introduction to the Atomlab Dose Calibrator

Important User Notes and Precautions

Key notes and precautions for safe and effective use of the calibrator.

Overview of the Atomlab 100

General overview of the Atomlab 100 Dose Calibrator's capabilities.

Manual Conventions and Key Labels

Explanation of conventions, keys, and symbols used in the manual.

Installing Your Atomlab 100 Dose Calibrator

Installation Overview

Overview of the installation process for the dose calibrator.

Operating Requirements

Requirements for operating the dose calibrator, including environment.

Work Surface Selection

Guidelines for selecting a suitable work surface for the unit.

Physical Location and Environment

Considerations for physical location and environmental conditions.

Power Requirements

Specifications for power requirements and connection.

Positioning the Units

Guidance on positioning the detector and display units.

Detector Unit Cable Connection

Procedure for connecting the detector unit cable.

Display Unit Cable Connection

Procedure for connecting the display unit cable.

Power Cord and Fuse Holder Connection

Connecting the power cord and identifying the fuse holder.

Powering Up the Device

Instructions for powering up the Atomlab 100 dose calibrator.

Repacking Shipping Material

Instructions for repacking and storing shipping materials.

General Cleaning Instructions

Guidelines for cleaning the exterior of the dose calibrator.

Getting Started with Your Atomlab 100

Getting Started Overview

Overview of the chapter's content for getting started.

Methodology and Key Functions

Understanding key functions and methodology for operation.

Understanding LED Keys

Explanation of how LED keys indicate status and prompts.

Front Panel Display Features

Description of the front panel display elements.

Initial Power-Up and Self-Test

Steps for initial power-up and the automatic self-test program.

Performing Background Adjustment

Procedure for adjusting the background measurement.

Reading the Display

How to read and interpret the activity display.

Cs-137 Check Procedure

Procedure for performing a Cs-137 calibration check.

Averaging Period

Understanding the automatic averaging period for readings.

Automatic Range Selection

Explanation of how the unit automatically selects measurement range.

Isotope Selection

Process for selecting the radioisotope for measurement.

Changing Display Units

Procedure for changing display units between Ci and Bq.

Procedure for Changing Display Units

Step-by-step guide to changing the display units.

Atomlab 100 Dose Calibrator Description

Description Overview

Overview of the dose calibrator's components and functions.

General Description

General description of the Atomlab 100 dose calibrator.

Detector Unit

Detailed description of the detector unit.

Chamber Description

Description of the well-type ionization chamber.

Chamber Well Liner

Function and purpose of the chamber well liner.

Current Measurement

Explanation of the current measurement principle.

Detector Rear Panel

Description of the detector unit's rear panel connectors.

Ionization Chamber Response

Characteristics of the ionization chamber's response.

Display Unit Description

Detailed description of the display unit's design and function.

Zero Calibration

Explanation of the zero calibration method.

Display Units and Conversions

Explanation of display units and activity conversions.

Display Unit Front Panel

Overview of the display unit's front panel.

Activity Display Details

Details regarding the activity display and unit indicators.

Isotope Selection Keys

Functionality of the isotope selection keys.

Standard Isotopes List

List of standard isotopes available for selection.

User-Defined Keys

Description of user-defined isotope keys.

Self-Test Procedure

Procedure for initiating and performing the self-test.

Display Test Sequence

Details of the display test sequence during self-test.

Background Correction

Procedure for performing background correction.

Setup Key Functionality

How to access and use the setup key.

Control Function Keys

Description of the main control function keys.

Electronic Thumbwheel

Description of the electronic thumbwheel component.

Increment;Decrement Keys

How to use the increment and decrement keys.

Operation of Your Atomlab 100 Dose Calibrator

General Operating Tips

Key tips for obtaining accurate and reliable measurement results.

Daily Checks

Procedures to perform daily checks for accurate measurements.

Performing Self-Test

Steps for performing the standard self-test.

Self-Test for Multiple Chambers

Procedure for performing self-test with multiple chambers.

Performing Background Correction

Ensuring background correction is performed.

Constancy Check Cs-137

Procedure for performing a Cs-137 constancy check.

Standard Activity Measurement

Procedure for making a standard activity measurement.

Moly Breakthrough Test

Procedure for evaluating Mo-99 contamination.

Moly Breakthrough Test Procedure

Step-by-step guide for performing the Moly Breakthrough test.

Isotope Selection Key Calibration

Procedure for calibrating isotope selection keys.

Calibrating Other Isotope Keys

Procedure for calibrating other isotope selection keys.

Setting Other Isotope Values

Setting calibration values for non-standard isotopes.

Resetting Standard Keys

Returning standard isotope keys to original preset values.

Checking Standard Keys

Checking calibration values of standard isotope selection keys.

Sample Holder Contamination Check

Procedure to check the sample holder for contamination.

Detector Liner Contamination Check

Procedure to check the detector liner for contamination.

Glossary of Terms

Definition: Accuracy Tests

Test to determine how close displayed activity values are to true values.

Definition: Averaging Period

Time taken to display a stable activity reading.

Definition: Background Correction

Stores ambient activity value for automatic subtraction.

Definition: Becquerel (Bq)

International unit of activity.

Definition: Calibration

Use of calibrated sources to verify accuracy.

Definition: Calibration Value

Value set to adjust Atomlab response to a radioisotope.

Definition: Calicheck

Sleeve shield package for linearity tests.

Definition: Constancy Check

Daily check for stable activity values over time.

Definition: Decay Chart

Chart projecting source activity decay over time.

Definition: Detector Unit

Component housing the ionization chamber and electrometer.

Definition: Display Fluctuations

Displayed value changes without source removal/insertion.

Definition: Display Unit

Component with electronics, controls, and displays.

Definition: Dose Calibration

Verification of radiopharmaceutical activity for administration.

Definition: Electrometer

Measures current proportional to source activity.

Definition: Electronic Thumbwheel

Panel with display, keys for inputting numbers.

Definition: Geometry Tests

Tests variation in activity due to source container/location.

Definition: Ionization Chamber

Device responding to source activity by forming ion pairs.

Definition: Kit

Calibrated radioactive solution for preparing doses.

Definition: L-Block Shield

Partially transparent radiation shield.

Definition: Linearity Tests

Tests variation in displayed values over measurement range.

Definition: Lineator

Sleeve shield package for linearity tests.

Definition: Moly Breakthrough Shield

Shield used in Moly Breakthrough test.

Definition: Moly Breakthrough Test

Test to determine Mo-99 contamination in Tc-99m.

Definition: Molybdenum-99 (Mo-99)

Parent radionuclide decaying to Tc-99m.

Definition: NIST

National Institute of Standards & Technology.

Definition: NRC

Nuclear Regulatory Commission.

Definition: Range Selection

Automatic selection of display units range.

Definition: Response, Ionization Chamber

Variation of ion current due to decay processes.

Definition: Sleeve Shield

Method for linearity tests using lead sleeves.

Definition: Source Decay

Method for linearity tests measuring decayed activity.

Definition: Traceability

Using sources traceable to NIST for calibration.

Definition: Zero Calibration

Compensating for electrometer drifts automatically.

Troubleshooting Atomlab Dose Calibrator

Troubleshooting Overview

Overview of troubleshooting procedures and resources.

Problem Descriptions

List of common problems addressed in this appendix.

Troubleshooting: No Power

Steps to diagnose and resolve power-up issues.

Troubleshooting Power Up Steps

Step-by-step procedure for troubleshooting power issues.

Troubleshooting: Activity Fluctuations

Diagnosing and resolving fluctuations in activity measurements.

Troubleshooting: High Calibration Value Fluctuations

Understanding fluctuations with high calibration values.

Troubleshooting: Mo-99 Fluctuations

Understanding fluctuations related to Mo-99.

Troubleshooting: Unexpected Readings

Diagnosing and resolving unexpected measurement readings.

Determining Software Version

Procedure to determine the current software version.

Display Unit Fuse Inspection and Replacement

Procedure for inspecting and replacing display unit fuses.

Fuse Inspection Procedure

Detailed steps for inspecting fuses.

Fuse Replacement

Guidelines on which fuses to use for replacement.

Fuse Holder Replacement

Procedure for replacing the fuse holder.

Setting Up for 100;240 VAC

Steps for setting up the calibrator for 100 or 240 VAC operation.

Notes on System Errors

Important notes regarding system error messages.

Chamber Service Precautions

Precautions for servicing the ionization chamber.

Atomlab 100 Dose Calibrator Specifications

Specifications Overview

Overview of the physical and operating specifications.

Measurement Range

Specified measurement range for Tc-99m.

Display Ranges

User-selectable display ranges in Ci and Bq.

Response Time

Specifications for response time at different activity levels.

Accuracy

Overall accuracy of activity determination.

Detector Linearity

Detector linearity specification.

Electrometer Linearity

Electrometer linearity specification.

Electrometer Accuracy

Electrometer accuracy specification.

Stability

Short-term and long-term stability specifications.

Noise

Specifications for display fluctuations and activity range.

Energy Range

Specified energy range for operation.

Isotope Selection Options

Details on preset and programmable isotope selection keys.

Calibration Value Display

Specifications for the calibration value display.

Detector Type

Specifications for the detector type and dimensions.

Detector Shield

Specifications for the detector shield.

Chamber Bias

Specification for the chamber bias power supply.

Environmental Conditions

Specified operating temperature and humidity ranges.

Physical Data

Physical dimensions and weight of units.

Line Voltage

Specifications for line voltage requirements.

Line Frequency

Specifications for line frequency.

Detector Cable

Specifications for the detector cable.

Front Panel Components

Details of components on the front panel.

Activity Display

Specifications for the activity display.

Activity Units

Specifications for activity unit indicators.

Key Details

Details regarding the keys on the front panel.

Isotope Selection Keys

Details of the isotope selection keys.

Constancy Isotope Keys

Details of keys used for accuracy and constancy checks.

Other Isotope Key

Functionality of the other isotope key.

Electronic Thumbwheel

Specifications for the electronic thumbwheel.

Electronic Thumbwheel Display

Functionality of the electronic thumbwheel display.

Control Function Keys

Description of the control function keys.

Line Voltage (ETL Listed)

Line voltage requirements and ETL listing.

ETL Listed Safety Standards

Safety standards conformity for ETL listed equipment.

Decay Calculations

Decay Calculations Overview

Overview of methods for performing radioisotope decay calculations.

Decay Calculation Methods

Presentation of different methods for decay calculations.

Calculator Method for Decay

Method for performing decay calculations using a calculator.

Sample Calculation (Calculator)

Example calculation of decayed activity using a calculator.

Decay Factor Method for Decay

Method for performing decay calculations without e^x function.

Sample Calculation (Decay Factor)

Example calculation using the decay factor method.

Explanation: Calculator Method

Explanation of the calculator method for decay calculations.

Explanation: Decay Factor Method

Explanation of the decay factor method for decay calculations.

Atomlab Dose Calibrator Pre-Set Calibration Values

Pre-Set Calibration Values Overview

Overview of preset calibration values and half-lives.

Pre-Set Calibration Values (Firmware 6+)

Preset calibration values for firmware level six or higher.

Pre-Set Calibration Values (Firmware 5-)

Preset calibration values for firmware level five or less.

Calibration Values for Other Isotope Selections

Other Isotope Calibration Values Overview

Overview of calibration values for programming non-standard keys.

Supplemental Isotope Listing (Part 1)

Supplemental alphabetical listing of isotopes for dose calibrators.

Supplemental Isotope Listing (Part 2)

Supplemental alphabetical listing of isotopes for dose calibrators.

Supplemental Isotope Listing (Part 3)

Supplemental alphabetical listing of isotopes for dose calibrators.

Supplemental Isotope Listing (Part 4)

Supplemental alphabetical listing of isotopes for dose calibrators.

Supplemental Isotope Listing (Part 5)

Supplemental alphabetical listing of isotopes for dose calibrators.

Supplemental Isotope Listing (Part 6)

Supplemental alphabetical listing of isotopes for dose calibrators.

Dial Value Settings and Source Containers

Dial value settings and source container information.

Dial Settings for Y-90

Specific dial settings recommended for Y-90 measurements.

Atomlab Dose Calibrator Calibration and Traceability

Calibration and Traceability Procedures

Procedures for calibrating the dose calibrator and its traceability.

Atomlab Computer Interconnection

RS-232 Serial Interface Board

Information regarding the optional RS-232 serial interface board.

PC Port Communications

Protocols and commands for PC port communication.

Data Records

Format and structure of data records transmitted via PC port.

Sample Dose Calibrator Records

Examples of typical data records for dose calibrators.

PCPlus and Procomm User Notes

Notes for users of PCPlus and Procomm communication software.

Additional PC Port Controls

Details on additional commands for PC port control.

Electromagnetic Compatibility (EMC)

EMC Installation and Service

Precautions for installing and servicing medical electrical equipment.

RF Communications Equipment Impact

How RF communications equipment can affect medical equipment.

Additional EMC Information

Contact information for additional EMC information.

Determining Firmware Level

Procedure to Determine Firmware Level

Step-by-step procedure to determine firmware level.

Quality Assurance Testing

Introduction to QA Testing

Introduction to manufacturer's instructions for QA testing.

Constancy Testing

Procedure for performing constancy tests.

Dial Value Settings and Source Containers

Dial value settings and source container compatibility.

Linearity Testing

Procedure for performing linearity tests.

Linearity Test: Decay Method

Performing linearity tests using the decay method.

Spreadsheet Use for Linearity Calculations

Guidance on using spreadsheets for linearity calculations.

Linearity Test: Shield Method

Performing linearity tests using the shield method.

Geometry Testing

Procedure for performing geometry tests.

Geometry Test: Syringe Procedure

Steps for performing geometry tests with syringes.

Geometry Test: Vial Procedure

Steps for performing geometry tests with vials.

Accuracy Testing

Procedure for performing accuracy tests.

Records and Maintenance

Requirements for records and maintenance.

Dipper and Well Liner Inspection

Inspection of the dipper and well liner.

Monthly Dial Value Checks

Procedure for monthly dial value checks.

Consider Repair or Replacement

When to consider repair or replacement of the unit.

Calibration Report Date Significance

Significance of the date on the calibration report.

Calibration Report Significance and Expiration

Significance and expiration of the calibration report.

biodex ATOMLAB 100 Specifications

General IconGeneral
ModelATOMLAB 100
DisplayLCD
ShieldingLead
ManufacturerBiodex Medical Systems
Power110-240 VAC
Well Diameter6.03 cm (2.375 in)