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| Ludlum Model 5 | ||
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● Radiographer Survey, Gamma Survey ● 0 to 2000 mR/hr Range ● Dual Energy Compensated GM Detectors ● 5 Decade Analog Meter ● Overload Protection |
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| Ludlum Model 6 | ||
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● Radiographer Survey, Gamma Survey ● 0 to 1000 mR/hr Range ● Energy Compensated GM Detector ● 3 Decade Analog Meter ● Overload Protection |
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