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Related Manuals for Standart Imaging EXRADIN ION CHAMBERS
Summary of Contents for Standart Imaging EXRADIN ION CHAMBERS
- Page 1 Thimble Ionization Chambers User Manual...
- Page 3 WWW. .COM Thimble Ionization Chambers STANDARD IMAGING INC. TEL 800.261.4446 7601 Murphy Drive TEL 608.831.0025 Middleton, WI 53562-2532 FAX 608.831.2202 Jul / 2006 ©2006 Standard Imaging Inc. DOC #80322-14...
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Page 4: General Precautions
WARNING: Electrical shock hazard when connected to 300 V bias supply. WARNING: Exradin Ion Chambers are intended for quality assurance and calibration measurements. They are not intended to be connected to a patient for real-time dosimetry measurements. CAUTION: Proper use of this device depends on careful reading of all instructions and labels. -
Page 5: Table Of Contents
Table of Contents PAGE General Precautions General Operation Calibration Parts and Accessories General Chamber Specifications Model 1 Miniature Shonka Chamber Model A1SL Slimline Miniature Shonka Chamber Model 2 Spokas Chamber Model A12 Farmer-Type Chamber Model A12S 0.25 cc Farmer-Type Chamber Model 14 Microchamber Model 14P Parallel Plate Microchamber... - Page 6 General Operation Continued 1. Either polarity may be applied to the shell and either the shell or guard may be grounded. Safety and other considerations recommend grounding the shell, which then requires an electrometer with a floating input. All Exradin chambers can support 1000 V between shell and guard.
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Page 7: Calibration
General Operation Continued 6. Some electrometers, such as the Standard Imaging MAX-4000 Electrometer, allow the user to zero the device at any time. If desired, perform this system zeroing now. 7. Check the system leakage. Take a reading without ex- posing the chamber to radiation. This reading should be less than 0.1% of the final signal expected. If it is not, the ... -
Page 8: Parts And Accessories
Parts and Accessories Description 72122 A1 / A14 Co-60 Cap; 2.0 mm, C552 7212 A1SL / A14SL Co-60 Cap; 2.0 mm, C552 72123 T1 / T14 Co-60 Cap; 4.0 mm, A150 72126 A2 Co-60 Cap; 2.0 mm, C552 72129 T2 Co-60 Cap; 4.0 mm, A150 72128 P2 Co-60 Cap;... -
Page 9: Model 1
Model 1 Miniature Shonka Chamber A1 (REF 9270) T1 (REF 92706) Collecting Volume: 0.056 cm Nominal Calibration Factor: 60 R/nC Centroid of Collecting Volume: 4.0 mm from tip of chamber Collector Diameter: 1.0 mm Outside Diameter of Shell Collecting Volume: 6.0 mm Wall Thickness: 1.0 mm... -
Page 10: Model 2
Model 2 Spokas Chamber A2 (REF 92718) P2 (REF 92720) T2 (REF 92721) Collecting Volume: 0.5 cm Nominal Calibration Factor: 6 R/nC Centroid of Collecting Volume: 7.0 mm from tip of chamber Collector Diameter: 4.6 mm Outside Diameter of Shell Collecting Volume: 11.5 mm Wall Thickness:... -
Page 11: Model A12S
Model A12S 0.25 cc Farmer-Type Chamber A12S (REF 9272) Collecting Volume: 0.25 cm Nominal Calibration Factor: 14 R/nC Centroid of Collecting Volume: 5.8 mm from tip of chamber Collector Diameter: 1.0 mm Outside Diameter of Shell Collecting Volume: 7.1 mm Wall Thickness: 0.5 mm Shell, Collector, and Guard... -
Page 12: Model 14P
Model 1P Parallel Plate Microchamber A1P (REF 92713) T1P (REF 9271) Collecting Volume: 0.002 cm Nominal Calibration Factor: 1430 R/nC Centroid of Collecting Volume: 1.5 mm from tip of chamber Collector Diameter: 1.5 mm Window Thickness: 1.0 mm Window Collector Gap: 1.0 mm Outside Diameter of Shell Collecting Volume:... -
Page 13: Model A16
Model A16 Slimline Microchamber A16 (REF 92726) 2.5 mm Collecting Volume: 0.007 cm Nominal Calibration Factor: 450 R/nC Centroid of Collecting Volume: Approximately 1.7 mm from tip of chamber Collector Diameter: 0.33 mm Outside Diameter of Shell Collecting Volume: 3.4 mm Wall Thickness: 0.5 mm Shell, Collector, and Guard Material:... -
Page 14: Model A19
Model A19 Classic Farmer-Type Ion Chamber A19 (REF 9273) 21.6 mm Collecting Volume: 0.62 cm Nominal Calibration Factor: 5 R/nC Centroid of Collecting Volume: 12.8 mm from tip of chamber Collector Diameter: 1.0 mm Outside Diameter Sensitive Region: 7.0 mm Wall Thickness: 0.5 mm Shell, Collector, and Guard... - Page 15 Service Notes Continued Stem (A1SL, A1SL, A16, A18 and A19 only) The one-piece black aluminum stem is an integral part of the ionization chamber assembly and is not to be removed under any circumstances. A1SL, A1SL, A16 0.6 cm OD, . cm long 0.69 cm OD, . cm long 1.3 cm OD, .6 cm long Vent Tube...
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Page 16: Service Policy
Service Policy If service, including recalibration, is required, please con- tact Standard Imaging’s Customer Service department by phone or email prior to shipping the product. Standard Imaging’s Customer Service and Technical Service staff will attempt to address the product issue via phone or email. If unable to address the issue, a return material authoriza- tion (RMA) number will be issued. With the RMA number, ... -
Page 17: Customer Responsibility
Customer Responsibility This product and its components will perform properly and reliably only when operated and maintained in accordance with the instructions contained in this manual and accom- panying labels. A defective device should not be used. Parts which may be broken or missing or are clearly worn, distorted or contaminated should be replaced immediately with genuine replacement parts manufactured by or made available from Standard Imaging Inc. - Page 18 Warranty Standard Imaging, Inc. sells this product under the warranty herein set forth. The warranty is extended only to the buyer purchasing the product directly from Standard Imaging, Inc. or as a new product from an authorized dealer or distributor of Standard Imaging, Inc. For a period provided in the table below from the date of original delivery to the purchaser or a distributor, this Standard Imaging, Inc.
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