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PMT TEST

PMT TEST. PMT cable connector connection PMT Scratch checking PMT labeling Dark box design Turn table schematics light-tight Door. PMT Cable connector connection connector(SHV 50-3-1) 연결 후 Multimetor 로 Base 의총 저항을 측정하여 connector 의 연결상태

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PMT TEST

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  1. PMT TEST PMT cable connector connection PMT Scratch checking PMT labeling Dark box design Turn table schematics light-tight Door

  2. PMT Cable connector connection • connector(SHV 50-3-1) 연결 후 Multimetor로 Base의총 저항을 측정하여 connector의 연결상태 • 확인 (PMT Base 총저항 9.39 MΩ) : RF Adaptor (34 SHV 50-0-1)를 SHV 50-3-1 에 연결하여 저항을 측정하였고, Base 회로의 capacitor들의 영향으로 측정된 총 저항이 ~15 MΩ정도. • PMT labeling • PMT의 Serial No. 순으로 1 번부터 34번까지 • 번호를 매기고, 사진처럼 labeling 함 SHV 50-3-1 34 SHV 50-0-1

  3. PMT scratch check - 두개의 PMT를 제외하고 모두 상태 양호 - 두개의 PMT check 요망 28번 PMT : 표면에 scratch 있음 32번 PMT : 표면에 이물질이 붙어 있음. 28 32 Filed up PMTS after finishing the connection conector & labeling & checking scratch or other damage at SNU lab.

  4. Dark Box Design 50 cm 50 cm profile 40 140cm hole for optical fiber (7.29 Φ) <front door lighttight design> BNC connector hole (138*57): 5 5 4 4 SHV connector hole (122*53) 60cm Turntable(900Φ) 104cm 104cm

  5. 60mm 900 mm 253mm PMT arrangement with signal connector(34 SHV 50-0-1) on the turn table Pmt single cable SHV RF adaptor mountable hole

  6. 회전판 PMT PMT single cable SHV RF Adaptor HV cable SHV RF Adaptor 베어링 60o회전조절막대 회전축 Light-tight실리콘막음처리

  7. 60 8 900 PMT holder idea • Turn table 위의 삼발이 스테인레스 홀더 너트홀 위치 186.6 93.3 93.3 222.7 222.7

  8. PMT holder idea 2. Turn table 위의 스티로폼 홀더 위치 60mm 900 mm 253mm

  9. 125 70 900 253 PMT holder idea Material : PP or MC 60 가격: 개당 4만원 (은성기계)

  10. 600 1000 200 220

  11. Light-tight Door Design O-ring

  12. SUMMARY • 34개 PMT connector connection 완료 • 34개 PMT Labeling 마침 • PMT Scratch check • - 28번, 32번 check 요망 • PMT location • -19번, 5번, 21번 세종대 • - 위 3개를제외한 31개는 서울대 • Dark Box Turn table schematic • Dark Box PMT Holder idea • Dark Box Light-tight Door idea

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