| Image | Product | |||
|---|---|---|---|---|
| Model 375/1 | Internal 18 mm CsI Detector | 0.1 to 9999 µR/hr | ||
| Model 375/2 | Internal Energy Compensated GM | 1.0 µSv/h to 10 mSv/h | ||
| Model 375/4 | Internal Energy Compensated GM | 10 µSv/h to 100 mSv/h | ||
| Model 375-9 | External Model 45-9 Ion Chamber | Any 4 Consecutive Decades Between 0.1 mR/hr to 100 R/hr | ||
| Model 375-10 | Internal NaI Scintillator 5.1 x 5.1 cm (2.0 x 2.0 in.) | 0.1 to 20 µSv/h (1 to 2000 µR/hr) | ||
| Model 375-31H | External 3He Tube with 22.9 cm (9 in.) diameter moderator | 0 to 100 mSv/h  (0 to 10 rem/hr) | 
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