The Model 133 series is a group of high range energy compensated G-M detectors primarily used for area monitoring applications
MODEL NUMBER PART NUMBER 133-2 47-1717 133-2-1 WATERPROOF 47-2450 133-4 47-1674 133-4-1 WATERPROOF 47-2451 133-6 47-1718 133-6-1 WATERPROOF 47-2452 133-7 47-1216 133-7-1 WATERPROOF 47-2453 133-8 47-1226 133-8-1 WATERPROOF 47-2334 Note: The waterproof versions of the above detectors include a hardwired 100' cable with "C" connector. Other lengths and connectors are available on request. INDICATED USE: Area monitoring DETECTOR: Halogen quenched G-M COMPATIBLE INSTRUMENTS: General purpose survey meters, ratemeters, and scalers, area monitors CONNECTOR: Series "C" (others available ) CONSTRUCTION: Anodized aluminum housing TEMPERATURE RANGE: -4° F(-20° C) to 122° F(50° C) May be certified to operate from -40° F(-40° C) to 150° F(65° C) SIZE: 1" (2.5 cm) diameter X 4" (10.2 cm)L WEIGHT: 0.2 lb (0.07kg)   133-2 133-4 133-6 133-7 133-8 LINEAR RANGE W/O DTC 0.1 mR/hr 200 mR/hr 1 mR/hr 2 R/hr 4 mR/hr 6 R/hr 25 mR/hr 30 R/hr 150 mR/hr 300 R/hr LINEAR RANGE WITH DTC 0.1 mR/hr 1 R/hr 1 mR/hr 10 R/hr 4 mR/hr 40 R/hr 25 mR/hr 100 R/hr 150 mR/hr 1000 R/hr SENSITIVITY (137Cs gamma) 1000 cpm/mR/hr 100 cpm/mR/hr 30 cpm/mR/hr 4.2 cpm/mR/hr 0.7 cpm/mR/hr ENERGY RESPONSE (60 keV - 3 MeV) Within ± 25% of true value Within ± 15% of true value Within ± 25% of true value DEAD TIME Typically 50 microseconds OPERATING VOLTAGE 550 volts 460 volts
Response Curves
Model 133-2 Response Curve                   Models 133-7 and 133-8 Response Curves
Ordering Info.    Model 133-2 Manual    Model 133-4 Manual Model 133-6 Manual    Model 133-7 Manual    Model 133-8 Manual
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