Sigma BM-286A service manual This value is used only when the Alarm Type is set to DPM

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3. OPERATING INSTRUCTIONS page 21

Alarm Level:

The operator will be prompted for the alarm level (depending on the alarm type selected above). Enter the alarm level (above background) in the appropriate units.

The previous value will be displayed, and will only be accepted by entering it again, or a new value may be entered.

1. DPM:

Radiation alarm level in disintegrations per minute. Enter a value between 10,000 and 1,000,000,000. This is the level above background that will generate a radiation alarm when the DPM alarm type is selected.

NOTE:

This value is used only when the Alarm Type is set to DPM.

2. N*Sigma:

Radiation alarm level in N*Sigma (N*1background + background). This is the count level that will generate a radiation alarm when N*Sigma alarm type is selected.

NOTE:

This value is used only when the Alarm Type is set to N*Sigma.

3. SpAct: Radiation alarm level, above background, in pCi per gram.

Model BM-286A

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Contents Waste Monitor Model BM-286A Table of Contents Inspection and InstallationMaintenance Theory of OperationTroubleshooting Appendix Warranty Glossary FormulasConfiguration Tracking Sheet Parts Recommended Spare Parts Spare Parts Ordering InformationIntroduction Scope and Purpose of ManualSpecifications Introduction Introduction Inspection Installation Operating Instructions General OverviewPOWER-UP and SELF-TESTS Access Menu Level One AccessPCA-II Normal Operation Operating Instructions Programming the System SET-UP Menu AbcdefghOperating 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 Settings for Plastic Detectors LLDULD 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 Configuration Tracking Sheet System ModificationsLongs Peak Court LONGMONT,COLORADO Drawings