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Ludlum Measurements 43-5, Manual

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Summary of Contents for 43-5

Page 1: ...LUDLUM MODEL 43 5 ALPHA SCINTILLATOR February 2021 ...

Page 2: ...LUDLUM MODEL 43 5 ALPHA SCINTILLATOR February 2021 ...

Page 3: ...anty of merchantability or fitness which extend beyond the description of the face there of If the product does not perform as warranted herein purchaser s sole remedy shall be repair or replacement at the option of Ludlum Measurements In no event will Ludlum Measurements be liable for damages lost revenue lost wages or any other incidental or consequential damages arising from the purchase use or...

Page 4: ...3 2 Replacement of PMT 2 REPLACEMENT PARTS LIST 3 1 5 inch Tube Socket Drawing 2 x 286 3 DRAWINGS AND DIAGRAMS 5 Model 43 5 Assembly View Drawing 77 x 23 Model 43 5 Overall with Window Drawing 77 x 23A 1 5 inch Tube Socket Drawing 2 x 317 1 5 inch Tube Socket Component Outlines Drawing 2 x 318 ...

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Page 6: ...ll cause light leaks and malfunction of the detector 2 SPECIFICATIONS WINDOW typically 0 8 mg cm2 aluminized metallized polyester 1 2 mg cm2 for outdoor use WINDOW AREA 52 cm2 8 1 in2 open 79 cm2 12 2 in2 active EFFICIENCY 13 of 4 emission with 239 Pu source in contact with probe protective screen BACKGROUND 3 cpm or less SCINTILLATOR ZnS Ag TUBE 3 8 cm 1 5 in diameter DYNODE STRING RESISTANCE 100...

Page 7: ...of the tube may be necessary After removing the tube from the probe body check the front of the tube face A tube that has become defective may show clear through the face instead of the dark amber color 3 2 Replacement of PMT To replace the PMT perform the following steps See Drawing 77 x 23 NOTE If the replacement is for an original based tube Part No 01 5001 refer to instructions included in the...

Page 8: ... 40 X 5 16 BH SCREW 4 EA 21 9362 WHITE TEFLON WIRE 3 inch 21 9432 26 BLACK WIRE 3 inch 22 9631 SILICONE CORD 0 139 GASKET 2077 023 COMPLETE BODY ASSY W WINDOW FRAME 1 EA 7002 505 CONNECTOR END CAP 1 EA 40 4049 ADJUSTABLE GAIN END CAP OPTIONAL 16 8317 O RING 2 029 1 EA 7002 029 04 PLEXIGLASS SPACER 1 EA 7002 029 05 SPONGE 4 EA 7085 064 CONNECTOR WRENCH FOR C CONN 7077 027 TUBE RETAINER 1 EA 7077 03...

Page 9: ...MEG 10 7106 R111 10 MEG 10 7106 MISCELLANEOUS 12 ea Contact 003 1381 003 01 5245 OPTIONAL Ref No Description Part No BOARD Completely Assembled 5209 019 Gain Control CAPACITORS C1 0 0047µF 3kV C 04 5547 RESISTORS R1 100k TRIMMER POT 09 6813 MISCELLANEOUS Cloverleaf 011 6809 000 599 18 8771 Note For units with Gain Control only ...

Page 10: ... February 2021 page 5 DRAWINGS AND DIAGRAMS Model 43 5 Assembly View Drawing 77 x 23 Model 43 5 Overall with Window Drawing 77 x 23A 1 5 Inch Tube Socket Board Drawing 2 x 317 1 5 Inch Tube Socket Component Outlines Drawing 2 x 318 ...

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