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LUDLUM MODEL 44-7 Alpha, Beta, Gamma 

Detector 

 

July 2012 

Serial No. PR090405   

and succeeding Serial Numbers   

 

 

 

 

Содержание 44-7

Страница 1: ...LUDLUM MODEL 44 7 Alpha Beta Gamma Detector July 2012 Serial No PR090405 and succeeding Serial Numbers ...

Страница 2: ......

Страница 3: ...LUDLUM MODEL 44 7 Alpha Beta Gamma Detector July 2012 Serial No PR090405 and succeeding Serial Numbers ...

Страница 4: ...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...

Страница 5: ...Table of Contents General 1 Specifications 1 Preliminary Instructions 2 Operating Procedures 3 Parts List 4 Assembly Drawing 5 Response Curve 6 ...

Страница 6: ...ely 900 V The recommended instrument input sensitivity is approximately 30 mV or higher to prevent the detector from double pulsing The GM tube face can rupture above 2438 m 8000 ft altitude pressure Consequently detectors carried in unpressurized aircraft above this altitude would be subject to failure SPECIFICATIONS DETECTOR end window halogen quenched GM WINDOW 1 7 0 3mg cm2 WINDOW AREA active ...

Страница 7: ... the carton refer to the calibration certificate s for serial number S N match The Model 44 7 S N is located on the side of the detector near the connector To return the instrument for repair or calibration provide sufficient packing material to prevent damage during shipment and appropriate warning labels to ensure careful handling The following items and information should also be included to en...

Страница 8: ... detector 2 Connect the detector to the instrument and check for a proper background reading typically 25 to 50 cpm at a background level of 8 to15 µR hr 3 Expose the detector to a check source and verify that the instrument indicates within 20 of the check source reading obtained during the last calibration Alternatively expose the detector to a check source of a known value and verify that the d...

Страница 9: ... 1536 Model 44 7 alpha beta gamma detector 1 ea Detector Body 7002 065 01 1 ea End Cap 7002 065 02 1 ea GM Tube 01 5006 LND 723 TGM N210 2 ea Sponge 7002 065 04 1ea Socket 01 5025 1 ea Connector UG 706 U 13 7751 1 ea O Ring 2 128 16 8284 3 ea Screws 4 40 x 3 16 FH 17 8811 1 ea Red Protective Cap 03 5474 1 ea Cap Model 44 7 Grid with O Ring 4002 216 ...

Страница 10: ...Model 44 7 Technical Manual Page 5 July 2012 ...

Страница 11: ...Model 44 7 Technical Manual Page 6 July 2012 ...

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