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Advanced Housekeeping System for Precision Temperature Monitoring at LBT

Detailed overview of the engineering review for the housekeeping system requirement, basic design, highlights, open issues, progress, and planning at LBT. Covers specifications, installation, testing, data collection, and future developments.

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Advanced Housekeeping System for Precision Temperature Monitoring at LBT

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  1. LBT Q1 2007 Engineering Review DAQ

  2. Housekeeping System Requirements • Interface directly to the Agilent 34970A • Absolute accuracy better than 0.5° C • Resolution better than 0.05°C • Measurement range at least -25°C to +35°C • Locations (symmetrical left and right) • C-ring extension, M3 swing arm height, front and rear • C-ring extension, M2 swing arm height, front and rear • Telescope rear counterweights on the C-ring outside LBT Q1 2007 Engineering Review

  3. Housekeeping System Basic Design • RTD (Resistance Temperature Detector) • 4-wire installation LBT Q1 2007 Engineering Review

  4. Highlights (Q1/2007) • Basic design finished • Procured sensors for testing • Installed two test sensors • Surface temperature • Air temperature • Data collection and analysis begun LBT Q1 2007 Engineering Review

  5. LBT Q1 2007 Engineering Review

  6. LBT Q1 2007 Engineering Review

  7. LBT Q1 2007 Engineering Review

  8. LBT Q1 2007 Engineering Review

  9. Open Issues • Technical • Signal noise • Shielding • Sensor placement • Fragile • Avoid blocking access for maintenance LBT Q1 2007 Engineering Review

  10. Open Issues • Schedule • Installation requires telescope access • Financial • None • Resource • Personnel for fabrication and installation LBT Q1 2007 Engineering Review

  11. Progress (Q1/2007) • Completed basic design • Testing • Installed surface temperature sensor • Collected two weeks of data • Installed air temperature sensor • Currently collecting data LBT Q1 2007 Engineering Review

  12. Planning (Q2/2007) • Data Analysis • Procurement of additional sensors • Installation of additional sensors LBT Q1 2007 Engineering Review

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