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Ludlum Measurements 44-110, Manual

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Ludlum Measurements 44-110 Manual Download Page 1

LUDLUM MODEL 44-110 & 44-110-1

LARGE AREA TRITIUM DETECTORS

March 2013

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Summary of Contents for 44-110

Page 1: ...LUDLUM MODEL 44 110 44 110 1 LARGE AREA TRITIUM DETECTORS March 2013 ...

Page 2: ...LUDLUM MODEL 44 110 44 110 1 LARGE AREA TRITIUM DETECTORS March 2013 ...

Page 3: ...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...

Page 4: ......

Page 5: ...Model 44 110 44 110 1 Large Area Tritium Detectors TABLE OF CONTENTS 1 GENERAL 1 2 SENSITIVITY 1 3 COUNTING GAS 1 4 OPERATION 1 5 MAINTENANCE 2 6 DRAWINGS DIAGRAMS 3 ...

Page 6: ...iciency in a 400 cpm background and a count rate instrument with an approximate 22 second response time is approximately 503 dpm 100 cm2 3 COUNTING GAS Recommend 300 ft3 P 10 cylinder mounted on a cylinder truck for mobile gas supply Estimated time of operation for one 300 ft3 cylinder is approximately 40 hours 4 OPERATION 1 Connect the P 10 counting gas and HV signal cable to the detector Place t...

Page 7: ...ved and very small surfaces such as drain pipes table legs etc cannot be effectively assessed using either of these detectors NOTE In order to prevent residue forming on the chamber and anode wires the detector should not be used on very dirty or dusty surfaces Extreme humidity in the air in excess of 85 and moisture on surfaces can cause the detector to behave erratically Therefore it is not reco...

Page 8: ...NGS AND DIAGRAMS M 44 110 TRITIUM FRISKER Drawing 342 170A M 44 110 ASSY Drawing 342 170B 170D M 44 110 1 VALVE ASSEMBLY Drawing 342 171 M 44 110 1 PLUMBING ASSEMBLY Drawing 342 171A M 44 110 1 VALVE CALIBRATION Drawing 342 171B FACE PLATE M 44 110 1 Drawing 342 172 ...

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