THEMIS Instrument Suite Thermal Vac Test Rick Sterling

THEMIS Instrument Suite Thermal Vac Test Rick Sterling University of California, Berkeley THEMIS Instrument Suite PER Suite T-V-1 UCB, May 2, 2005

Thermal Vac Test Summary • • Six cycles Operating cold plateau: -40 C Operating hot plateau: +55 C Doing P 1 Suite alone; subsequent suites in pairs: P 2, P 3 then P 4, P 5. THEMIS Instrument Suite PER Suite T-V-2 UCB, May 2, 2005

Instrument Suite on Platform THEMIS Instrument Suite PER Suite T-V-3 UCB, May 2, 2005

UCB/SSL Room 20 TVAC Tank • Vacuum Tank formerly used for Calibration (EUVE, ORFEUS, CHIPS) • Thermal System added for THEMIS TVAC THEMIS Instrument Suite PER Suite T-V-4 UCB, May 2, 2005

Room 20 Tank Specifications • Tank • – Inside Class 100, 000 Clean Room – 8’ Diameter X 15’ Deep – 2 THEMIS Instruments Suites Fit Inside • • – Thermally controlled Baseplate and Box Shroud • Liquid Nitrogen Cooling Lines • Power Resistor Heating Elements – Computer Control Vacuum System – – • Watlow Anafaze MLS 300 Controller • 16 Channels Data Capture • Ana. Win 2 Software for thermal profiles – Separate Overtemp Alarm with Shut-Down Control Scroll Pump Rough Pump Cryo High Vacuum Pumps Recently Refurbished Base Pressure: 10 -6 Torr TQCM – Faraday Labs Instrument and Controller Installed – 100 -200 Hz/Hr Baseline (Empty Tank, Thermal system at 60 C) Thermal System • Temperature Range – -130 C to +95 C • Status – Tank Ready for THEMIS Suite Testing THEMIS Instrument Suite PER Suite T-V-5 UCB, May 2, 2005

B 20 CLEAN ROOM READY FOR INSTRUMENT SUITE THEMIS Instrument Suite PER Suite T-V-6 UCB, May 2, 2005

Carrier for Themis Instrument Suites THEMIS Instrument Suite PER Suite T-V-7 UCB, May 2, 2005

CHAMBER FEEDTHROUGHS THEMIS Instrument Suite PER Suite T-V-8 UCB, May 2, 2005

Clean Room Features ü 100 K Class ü Nitrogen gas purging ü Continuous oxygen monitoring ü Temperature and Humidity Monitoring ü ESD Compliance ü Certified Crane/hoist ü Controlled Access ü Staff Training THEMIS Instrument Suite PER Suite T-V-9 UCB, May 2, 2005

• F 1 Suite TVAC will use F 2 AXBs since F 1 AXBs need to be delivered to Swales before the F 1 Suite TVAC test date. THEMIS Instrument Suite PER Suite T-V-10 UCB, May 2, 2005

T 1 LPT CPT LPT LPT CPT T TT CPT LPT LPT LPT T 2 T 1 = FGM 1 st Motion T 2 = SCM 1 st Motion THEMIS Instrument Suite PER Suite T-V-11 UCB, May 2, 2005

OVERVIEW OF HARNESSING THROUGH TV CHAMBER THEMIS Instrument Suite PER Suite T-V-12 UCB, May 2, 2005

GSE FOR INSTRUMENT SUITE T-V • Harnesses (power and data) • Special harnesses for EFI Boom motor simulators • Power supplies • NIOS board for interface RS 422 to ethernet • GSE computer displaying all relevant data and housekeeping THEMIS Instrument Suite PER Suite T-V-13 UCB, May 2, 2005

STAFFING • INSTRUMENT AND FACILITY MONITORING ON 24 -7 BASIS • SUPPLEMENTED BY REMOTE INSTRUMENT MONITORING • ASSISTANCE / SUPPORT AVAILABLE AS NEEDED THEMIS Instrument Suite PER Suite T-V-14 UCB, May 2, 2005

DOCUMENTATION Instrument Suite Thermal Vacuum Procedure Includes: • • Pre-test checks and verifications Physical setup and suite installation Step by step operations Vacuum requirements Thermal requirements CPT, LPT, special procedures Responsibilities THEMIS Instrument Suite PER Suite T-V-15 UCB, May 2, 2005