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Summary of Contents for Ludlum Measurements 44-2
- Page 1 LUDLUM MODEL 44-2 GAMMA SCINTILLATOR March 2010 Serial Number PR134789 and Succeeding Serial Numbers LUDLUM MEASUREMENTS, INC. 501 OAK STREET, P.O. BOX 810 SWEETWATER, TEXAS 79556 325-235-5494, FAX: 325-235-4672...
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Page 3: Table Of Contents
Ope ra t ing Proc e dure s Sa fe t y Conside ra t ions Pa rt s List , Dra w ings a nd Dia gra m s Ene rgy Re sponse Curve Ludlum Measurements, Inc. March 2010... -
Page 4: Introduction
100keV range and under-responding by a factor of 0.5 above 1 MeV when normalized to The Model 44-2 will operate with any Ludlum instruments or equivalent instruments that provide 500–1200 volts. The recommended instrument input sensitivity is approximately 10 mV or higher. -
Page 5: Unpacking And Repacking
Model 44-2 Gamma Scintillator Note: If the detector is used in a manner not intended by the manufacturer, the detector may not function properly. Unpacking and Repacking Remove the calibration certificate or detector functional check certificate and place it in a secure location. Remove the detector(s) and accessories (if applicable) and ensure that all items listed on the packing list are in the carton. -
Page 6: Specifications
Model 44-2 Gamma Scintillator Specifications : general-purpose survey meters, Com pa t ible I nst rum e nt s ratemeters and scalers : typically 175 cpm per µR/hr ( Cs gamma) Se nsit ivit y : energy dependent Ene rgy Re sponse... -
Page 7: Operating Procedures
Model 44-2 Gamma Scintillator Operating Procedures ONNECTING TO AN NSTRUMENT Connect one end of the cable provided to the detector by firmly pushing the connector together while twisting clockwise one quarter of a turn until latched. Repeat the process in the same manner with the other end of the cable and the instrument. -
Page 8: Safety Considerations
Model 44-2 Gamma Scintillator Safety Considerations NVIRONMENTAL ONDITIONS FOR ORMAL 1. Indoor or outdoor use (in a dry environment) 2. No maximum altitude 3. Temperature range of -20 to 50 °C (5 to 122 °F); May be certified for operation from -40 to 65 °C (-40 to 150 °F). -
Page 9: Parts List, Drawings And Diagrams
Model 44-2 Gamma Scintillator Parts List, Drawings and Diagrams Model 44-2 Gamma Scintillator Reference Description Part Number UNIT Completely Assembled Model 44-2 Alpha-Beta-Gamma Detector 47-1532 1 EA DETECTOR BODY 2002-084-01 1 EA END CAP 7002-505 1 EA 2.5 x 2.5 cm (1 x 1 in.) NaI CRYSTAL... - Page 10 Model 44-2 Gamma Scintillator Ludlum Measurements, Inc. Page 7 March 2010...
- Page 11 Model 44-2 Gamma Scintillator Reference Description Part Number 3.8 cm (1.5 in.) Tube Socket Board 1 EA CIRCUIT BOARD 5002-502 1 EA CAP 0.01 µF 2kv 04-5525 11 EA RES 10 M, ¼ W, 2% 10-7106 1 EA RES 1 M, ¼ W, 1% SMT...
- Page 12 Model 44-2 Gamma Scintillator 3.8 cm (1.5 in.) Tube Socket Board - Schematic Ludlum Measurements, Inc. Page 9 March 2010...
- Page 13 Model 44-2 Gamma Scintillator Ludlum Measurements, Inc. Page 10 March 2010...
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