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Related Manuals for Ludlum Measurements 44-150-3
Summary of Contents for Ludlum Measurements 44-150-3
- Page 1 LUDLUM MODEL 44-150-3 GAMMA GM DETECTOR May 2021...
- Page 2 LUDLUM MODEL 44-150-3 GAMMA GM DETECTOR May 2021 LUDLUM MEASUREMENTS, INC. 501 OAK STREET, P.O. BOX 810 SWEETWATER, TEXAS 79556 325-235-5494, FAX: 325-235-4672...
- Page 3 Model 44-150-3 Gamma GM Detector Model 44-150-3 Ludlum Measurements, Inc. May 2021...
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Page 4: Table Of Contents
Model 44-150-3 Gamma GM Detector Table of Contents Introduction Unpacking and Repacking Specifications Operating Procedures Safety Considerations Parts List Energy Response Curve Drawing Ludlum Measurements, Inc. May 2021... -
Page 5: Introduction
Model 44-150-3 Gamma GM Detector Introduction The Model 44-150-3 is a high-sensitivity Geiger-Mueller (GM) gamma survey detector that can be used with any portable ratemeter, scaler instrument, or area monitor that provides 900 Vdc with an input sensitivity of 30 +10 mV. -
Page 6: Unpacking And Repacking
If multiple detectors are included, refer to the calibration certificates for serial number (SN) matches. The Model 44-150-3 serial number is located on the side of the detector. To return an instrument or detector for repair or calibration,... -
Page 7: Specifications
Model 44-150-3 Gamma GM Detector Specifications 900 V RECOMMENDED OPERATING VOLTAGE: within 30% ENERGY RESPONSE (60 keV-1.3 MeV): ≈ 13,500 cpm/mR/hr SENSITIVITY ( Cs Gamma): ≈ 300 cpm BACKGROUND: 30 mV +10 mV INPUT SENSITIVITY: typically 50 microseconds DEAD TIME: 0.01 mR/hr to 80... -
Page 8: Operating Procedures
Model 44-150-3 Gamma GM Detector 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 ¼ turn until latched. Repeat the process in the same manner with the other end of the cable and the instrument. -
Page 9: Safety Considerations
Model 44-150-3 Gamma GM Detector Safety Considerations NVIRONMENTAL ONDITIONS FOR ORMAL 1. Indoor or outdoor use (in a dry environment) 2. No maximum altitude 3. Temperature range of -15 to 50 °C (5 to 122 °F); May be certified for operation from -40 to 65 °C (-40 to 150 °F). -
Page 10: Parts List
Model 44-150-3 Gamma GM Detector Parts List Reference Description Part Number UNIT Completely Assembled Model 44-150-3 Gamma Detector 47-4039 3 EA GM TUBE (LND 719/TGM) 01-5015 3 EA SOCKET-AMPH 78-S3S 01-5024 3 EA RES – 3.3 MEG ¼ W, 5% CR 25 10-7044... -
Page 11: Energy Response Curve
Model 44-150-3 Gamma GM Detector Model 44-150-3 Ambient Dose Equivalent Energy Response Relative to Cs-137 150.0% 100.0% Ambient Dose Equivalent 50.0% 0.0% 1000 10000 Ludlum Measurements, Inc. Page 7 May 2021... -
Page 12: Drawing
Model 44-150-3 Gamma GM Detector Ludlum Measurements, Inc. Page 8 May 2021...
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