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Laboratory Equipment
Alpha Mega
Hardware user manual
ORTEC Alpha Mega Hardware User Manual
Integrated alpha spectrometer
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Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
Table of Contents
1 Introduction
About this Manual
2 Installation
Install CONNECTIONS
Install MAESTRO and Other Applications
Connect to the PC and Input Power
Multiple-Duo / -Mega / -Ensemble Systems
Install the Detector
Connect to the Vacuum Pump
3 Operation
Controlling Chamber Pressure
Manual
Automatic
Venting the Alpha Chamber(S)
Manual
Automatic
Inserting a Sample into the Vacuum Chamber
Resolution Measurement and Calibration
MCB Properties in MAESTRO
Amplifier
Amplifier 2
Adc
Stabilizer
High Voltage
About
Alpha
Vacuum Monitoring
Data Collection Window
Internal Pulser
Alpha Chamber Data Display in Alphavision
Presets
4 Maintenance and Service
Decontamination
Chamber Decontamination
ULTRA Detector Decontamination
Ruggedized Detector Decontamination
Alpha Duo , Alpha Mega ® , Alpha Ensemble
Hardware User's Manual
Removing and Replacing Chambers
Chamber Removal
Chamber Installation
Troubleshooting
Can't Find the Duo or Mega on the Detector Pick List
Data or Settings Are Lost When Power Is Turned off
Resolution Problems
Troubleshooting Vacuum Problems in the Alpha Ensemble
5 Specifications
Performance
Bias Supply
Calibration Pulser
Detector Current Monitor
Preamplifier
Digital MCA
Presets
Vacuum Chamber
Indicators
Controls
Connectors
Electrical and Mechanical
Alpha Duo and Mega
Alpha Ensemble
Battery Backup
Feature Mask Bits
Appendix A. Firmware Commands and Responses
Command Format
Error Codes
Dollar Response Records
MCB Commands
Appendix B. Changing to an Opposite-Polarity Detector
Recalibration
Index
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Controlling Chamber Pressure
2
Resolution Measurement and Calibration
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®
ORTEC
®
®
Alpha Duo
, Alpha Mega
,
®
and Alpha Ensemble
Integrated Alpha Spectrometer
Hardware User's Manual
Printed in U.S.A.
ORTEC Part No. 932505
0520
Manual Revision F
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Table of Contents
Troubleshooting
Chamber Installation
28
Troubleshooting Vacuum Problems in the Alpha Ensemble
30
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Summarization of Contents
WARRANTY
Quality Control
Details the stringent quality control tests applied to each instrument before shipment.
Repair Service
Outlines the procedure for returning instruments for repair, including contact information and packing instructions.
Damage in Transit
Provides instructions for handling shipments that may have sustained damage during transit.
Safety Instructions and Symbols
Cleaning Instructions
INTRODUCTION
About this Manual
Provides an overview of the manual's content and structure, and what the reader is expected to know.
INSTALLATION
Install CONNECTIONS
Guides on installing the CONNECTIONS Driver Update Kit, essential for PC communication.
Install MAESTRO and Other Applications
Instructions for installing the MAESTRO MCA Emulation Software and other relevant ORTEC applications.
Connect to the PC and Input Power
Details the process of connecting the Alpha unit hardware to a PC via USB and applying power.
Multiple-Duo / -Mega / -Ensemble Systems
Explains the straightforward process of adding multiple Alpha modules to an existing system.
Install the Detector
Provides instructions on how to properly install a detector into the Alpha chamber.
Connect to the Vacuum Pump
Details the connection procedures for the vacuum pump to the Alpha Duo, Mega, and Ensemble.
OPERATION
Controlling Chamber Pressure
Explains how to manually or automatically control the vacuum pressure within the alpha chambers.
Venting the Alpha Chamber(s)
Describes the manual and automatic procedures for venting the alpha chambers.
Inserting a Sample into the Vacuum Chamber
Guides on how to place a sample into the vacuum chamber and prepare for pumping.
Resolution Measurement and Calibration
Outlines the steps for performing alpha-particle resolution measurements and system calibration.
MCB Properties in MAESTRO
Discusses the hardware setup dialog in MAESTRO for configuring MCB parameters.
MAINTENANCE AND SERVICE
Decontamination
Covers procedures for decontaminating alpha chambers and detectors to remove radioactive contamination.
Removing and Replacing Chambers
Provides instructions on how to remove and replace vacuum chamber assemblies from Alpha modules.
Troubleshooting
Offers solutions for common issues encountered during installation and operation.
SPECIFICATIONS
Performance
Details the performance characteristics of the Alpha Duo and Mega, including sample size and energy range.
Bias Supply
Specifies the range, current, and control method for the detector bias supply.
Calibration Pulser
Lists the specifications for the internal calibration pulser, including range and stability.
Detector Current Monitor
Provides specifications for the detector current monitoring feature.
Preamplifier
Details the specifications for the charge-sensitive preamplifier, including polarity selection.
Digital MCA
Outlines the features and specifications of the Digital Multi-Channel Analyzer (MCA).
Presets
Explains the functionality and settings for acquisition presets like Real Time, Live Time, and ROI.
Vacuum Chamber
Describes the construction and specifications of the vacuum chamber, including connectors and requirements.
Indicators
Explains the function of the front-panel LEDs, such as ADC and HV/PULSER indicators.
Controls
Lists the software-controlled hardware parameters and physical polarity switches.
Connectors
Specifies the types of connectors used for vacuum and USB interfaces on the units.
Electrical and Mechanical
Provides electrical input, power consumption, operating environment, and physical dimensions.
Battery Backup
Explains the battery backup system for maintaining settings when power is off.
Feature Mask Bits
Describes feature bits used in the SHOW_FEATURES command for identifying supported hardware capabilities.
FIRMWARE COMMANDS AND RESPONSES
Command Format
Explains the syntax and structure of firmware commands and their parameters.
Error Codes
Lists and explains macro and micro error codes returned by the MCB for troubleshooting.
CHANGING TO AN OPPOSITE-POLARITY DETECTOR
Recalibration
Details the procedure for recalibrating the detector after changing its polarity.
INDEX
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