GM Detectors

Gamma Scintillation Detectors

Model 133-2

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

Model 134-4

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

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

Model 133-7

Ludlum Part Number: 47-1216

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: 25 mR/hr to 100 R/hr

Detector Range without DTC: 25 mR/hr to 30 R/hr
Sensitivity (Cs-137): 4.2 cpm/mR/hr
Waterproof Version Available - Model 133-7-1 (Includes 100 ft Detector Cable) P/N 47-2453

Data Sheet Product Manual Detector Clips

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