Sigma BM-286A service manual Operating Instructions

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3. OPERATING INSTRUCTIONS page 20

Efficiency:

This parameter entry represents the efficiency of the detectors, in percent, to the source activity. This value is used in calculating the activity.

This value may be either entered manually or automatically calculated by the BM-286A. Press on the white box and enter a value, or press "auto" to allow the unit to calculate the efficiency.

1. Manual entry method:

Enter an efficiency in percent. Entering a <0> will disable the current waste I.D.

2. Automatic calculation:

The operator will be prompted for a count time (in seconds) and the calibration source activity (in nanocuries).

Press "BEGIN" at which time a START button will appear.

Press the "START" button and the unit will then take an nn second background.

The operator will be prompted to place the source in the center of the chamber and press "START" to accumulate an nn second count with the source in the chamber.

The efficiency will be displayed in the efficiency window.

Model BM-286A

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Contents Waste Monitor Model BM-286A Theory of Operation Table of ContentsInspection and Installation MaintenanceRecommended Spare Parts Spare Parts Ordering Information TroubleshootingAppendix Warranty Glossary Formulas Configuration Tracking Sheet PartsScope and Purpose of Manual IntroductionSpecifications Introduction Introduction Inspection Installation General Overview Operating InstructionsPOWER-UP and SELF-TESTS Level One Access Access MenuPCA-II Normal Operation Operating Instructions Programming the System Abcdefgh SET-UP MenuOperating Instructions Operating Instructions Waste Stream Parameters Operating Instructions Operating Instructions Operating Instructions This value is used only when the Alarm Type is set to DPM Utilities Menu Operating Instructions Reports Initial Installation Checklist Operating Instructions BM-286A Waste Stream SET-UP Worksheet Unit Operation Theory of Operation Theory of Operation Theory of Operation Theory of Operation Operator Maintenance Maintenance Maintenance ULD Settings for Plastic DetectorsLLD Weight Calibration Maintenance Diagnostic Aids Fault Isolation Computers Longs Peak Court LONGMONT, Colorado Appendix B. Glossary Appendix B. Glossary Activity from Counts Reliable Detectable Activity RDA Formula Variance System Modifications Configuration Tracking SheetLongs Peak Court LONGMONT,COLORADO Drawings