Ludlum Gamma Radiation Detectors |
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Model 44-2
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Ludlum Part Number: 47-1532
Low Level Gamma Radiation Survey 1 x 1 in. NaI(Tl) Scintillation Detector Used with Ludlum General Purpose Radiation Survey Meters, Ratemeters, Scalers Sensitivity (Cs-137): 175 cpm/µR/hr Sensitivity (Cs-137): 175 cpm/µR/hr |
Energy Range: 50 KeV to 1.5 MeV
Background: 1900 cpm Efficiency: 7% I-125 Data Sheet Product Manual Response Curve Detector Clips |
Model 44-3
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Ludlum Part Number: 47-1533
I-125 Low Energy Gamma Radiation Survey 1 in. x 1 mm thick NaI(Tl) Scintillation Detector Used with Ludlum General Purpose Radiation Survey Meters, Ratemeters, Scalers Sensitivity (I-125): 675 cpm/µR/hr |
Energy Range: 10 to 60 KeV
Background: 350 cpm or less Efficiency: 33.5% I-125 (based on 18% I-129) Data Sheet Product Manual Detector Clips |
Model 44-10
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Ludlum Part Number: 47-1540
Low Level Gamma Radiation Survey 2 x 2 in. NaI(Tl) Scintillation Detector Used with Ludlum General Purpose Radiation Survey Meters, Ratemeters, Scalers Sensitivity (Cs-137): 900 cpm/µR/hr Energy Range: 50 KeV to 3.0 MeV |
Model 44-11
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Ludlum Part Number: 47-1541
High Sensitivity Gamma Radiation Survey 2 x 2 in. NaI(Tl) Scintillation Detector MCA Quality, Use with SCA, MCA Sensitivity (Cs-137): 900 cpm/µR/hr |
Model 44-17
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Ludlum Part Number: 47-1547
I-125 and Low Energy Gamma Survey 2 in. x 2 mm NaI(Tl) Scintillation Detector Used with Ludlum General Purpose Radiation Survey Meters, Ratemeters, Scalers Sensitivity (I-125): 2500 cpm/µR/hr Energy Range: 10 to 200 KeV |
Background: less than 1500 cpm
Efficiency: 41.0% I-125 (based on 22% I-129) Data Sheet Product Manual Response Curve Detector Clips |
Model 44-20
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Ludlum Part Number: 47-1104
High Sensitivity Gamma Radiation Survey 3 x 3 in. NaI(Tl) Scintillation Detector MCA Quality for Use with SCA, MCA Sensitivity (Cs-137): 2300 cpm/µR/hr |
Model 44-62
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Ludlum Part Number: 47-1238
Low Level Wide-Energy Gamma Survey 0.5 x 1 in. NaI(Tl) Scintillation Detector Used with Ludlum General Purpose Radiation Survey Meters, Ratemeters, Scalers Sensitivity (Cs-137): 49 cpm/µR/hr |
Model 44-132
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Ludlum Part Number: 47-3074
Gamma Survey 5.75 x 1 in. Plastic Scintillation Detector Sensitivity (Cs-137): 1500 cpm/µR/hr |
Energy Range: 50 KeV to 1.5 MeV
Background: ≤ 10,000 cpm in a 10 µR/hr field Data Sheet Product Manual |
Model 44-159-1
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Ludlum Part Number: 47-3820
Gamma Survey 0.7 x 0.7 in. CsI (Cesium Iodide) Detector Sensitivity (Cs-137): 120 cpm/µR/hr |
Model 44-183
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Ludlum Part Number: 47-3758
Shielded Directional Gamma Radiation Survey and Brac Point Survey Energy Compensated GM Radiation Detector 10:1 Directional Shielding Used with Ludlum General Purpose Radiation Survey Meters, Ratemeters, Scalers |
Sensitivity: 100 cpm/mR/hr
Detector Range with DTC: 1 mR/hr to 10 R/hr Detector Range without DTC: 1 mR/hr to 2 R/hr Energy Response: ± 15% Data Sheet Product Manual Brac Point Monitor Application Note |
Model 44-213
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Ludlum Part Number: 47-4134
Low Energy Gamma Radiation Survey 5 x 0.050 in. FIDLER CsI Scintillation Detector Used with Ludlum General Purpose Radiation Survey Meters, Ratemeters, Scalers Efficiency (4π): 13% Am-241; 8% natural U |
Energy Range: 10 to 200 KeV
Background: less than 9000 cpm Window Active Area: 127 cm² Window Open Area: 127 cm² Data Sheet |
Model 133-2
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Ludlum Part Number: 47-1717
Gamma Radiation Survey, Area Monitoring Energy Compensated GM Radiation Detector Used with most Ludlum General Purpose Meters, Ratemeters, Scalers, Area Monitors Background: 12 cpm (10 μR/h background) Energy Response: ± 25% Detector Range with DTC: 0.1 mR/hr to 1 R/hr |
Detector Range without DTC: 0.1 to 200 mR/hr
Sensitivity (Cs-137): 1000 cpm/mR/hr Waterproof Version Available - Model 133-2-1 (Includes 100 ft Detector Cable) P/N 47-2450 Data Sheet Product Manual Detector Clips Response Curve |
Model 133-4
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Ludlum Part Number: 47-1674
Gamma Radiation Survey, Area Monitoring Energy Compensated GM Radiation Detector Used with most Ludlum General Purpose Meters, Ratemeters, Scalers, Area Monitors Background: 1 cpm (10 μR/h background) Energy Response: ± 15% Sensitivity (Cs-137): 100 cpm/mR/hr |
Detector Range with DTC: 1 mR/hr to 10 R/hr
Detector Range without DTC: 1 mR/hr to 2 R/hr Waterproof Version Available - Model 133-4-1 (Includes 100 ft Detector Cable) P/N 47-2451 Data Sheet Product Manual Detector Clips |
Model 133-6
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Ludlum Part Number: 47-1718
Gamma Radiation Survey, Area Monitoring Energy Compensated GM Radiation Detector Used with most Ludlum General Purpose Meters, Ratemeters, Scalers, Area Monitors Background: 1 cpm (10 μR/h background) Energy Response: ± 15% Detector Range with DTC: 4 mR/hr to 40 R/hr |
Detector Range without DTC: 4 mR/hr to 6 R/hr
Detector Range with SCC: 4 mR/hr to 1000 R/hr Sensitivity (Cs-137): 18 cpm/mR/hr Waterproof Version Available - Model 133-6-1 (Includes 100 ft Detector Cable) P/N 47-2452 Data Sheet Product Manual Detector Clips |
