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Summary of Contents for Ludlum Measurements 44-10
- Page 1 LUDLUM MODEL 44-10 GAMMA SCINTILLATOR June 2024 Serial Number PR107232 and Succeeding Serial Numbers...
- Page 2 LUDLUM MODEL 44-10 GAMMA SCINTILLATOR June 2024 Serial Number PR107232 and Succeeding Serial Numbers...
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Page 3: Table Of Contents
Table of Contents Introduction Unpacking and Repacking Specifications Operating Procedures Safety considerations Parts List, Drawings and Diagrams Ludlum Measurements, Inc. May 2023... -
Page 4: Introduction
Model 44-10 Gamma Scintillator Introduction The Model 44-10 sodium iodide (NaI) gamma scintillator is primarily used for detecting high-energy gamma radiation in the range of 60 keV to 2 MeV. It consists of a 5.1 x 5.1 cm (2 x 2 in.) diameter by thickness NaI crystal coupled to a photomultiplier tube and is housed in a 0.16 cm (0.062 in.) thick aluminum housing. -
Page 5: Unpacking And Repacking
If more than one detector is in the carton, refer to the calibration certificate(s) for serial number (S/N) match. The Model 44-10 S/N is located on the side of the detector near the connector. -
Page 6: Specifications
Model 44-10 Gamma Scintillator Specifications 5.1 x 5.1 cm (2 x 2 in.) (Dia x thickness), NaI (Tl) SCINTILLATOR: crystal : typically 900 cpm/µR/hr ( 137 Cs gamma) SENSITIVITY energy dependent ENERGY RESPONSE: general purpose survey meters, COMPATIBLE INSTRUMENTS: ratemeters, and scalers 5.1 cm (2 in.) diameter magnetically shielded photomultiplier... -
Page 7: Operating Procedures
Model 44-10 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 a 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 44-10 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 (-4 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 44-10 Gamma Scintillator Parts List, Drawings and Diagrams Model 44-10 Gamma Scintillator Reference Description Part Number UNIT Completely Assembled Model 44-10 Gamma Scintillator 47-1540 1 EA BODY CASE W/ CAP 2260-002-02 1 EA CONNECTOR CAP 7260-002-01 1 EA 2 x 2 inch NaI CRYSTAL... - Page 10 Model 44-10 Gamma Scintillator Ludlum Measurements, Inc. Page 7 June 2024...
- Page 11 Model 44-10 Gamma Scintillator Reference Description Part Number 2 inch Voltage Divider Board 1 each VOLTAGE DIVIDER 5435-401 3 each CAP 0.01 µF 2kv 04-5722 12 each RES 4.75 meg 1/8 W, 1% 12-7995 1 each Silicone white wire #22...
- Page 12 Model 44-10 Gamma Scintillator 2 inch Voltage Divider Board - Schematic Ludlum Measurements, Inc. Page 9 June 2024...
- Page 13 Model 44-10 Gamma Scintillator Ludlum Measurements, Inc. Page 10 June 2024...
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