PPA-2(T/SS)
Low Background Contamination/Frisker
The shielded PPA-2A detector is the optimal detector for contamination monitoring. A thick tungsten shield produces a very low background, optimizing contamination detection sensitivity.
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Product Specifications
| GENERAL | The best all purpose detector for low background. Sensitive to most Alpha, Beta, and Gamma Radiation |
|---|---|
| Options | Optional Stainless Steel (SS) replacing Tungsten |
| Compatibility | All WB Johnson Instruments (others on request) |
| Operating Voltage | 900 vdc |
| Range | 200 mR/hr Dose (Cs-137) REQUIRES LINEARIZATION ABOVE 50 mR/hr |
| CPM - mR/hr(Cs-137) | 1200 |
| Energy Response | Alpha --3.5 MeV min, Beta -- 100 keV min, Gamma -- 20 keV - 2 Mev |
| Window Density | 1.6 mg/cm2 |
| Sensitive Area | 14 cm2 |
| Dead Time | 20 uSec |
| Dimensions | 4" (10cm) dia x 4" (10 cm) H |
| Environmental | -20° F[-28° C]-140° F[60° C] | 5-95% RH IPX4 Housing |
| Weight | 6 lbs (2.7kg) |
Questions? Call today!
(208) 557-6945
(208) 557-6945
Mailing Address
W. B. Johnson Instruments
3998 Commerce Cir.
Idaho Falls, Idaho 83401
Shipping Address
W. B. Johnson Instruments
3998 Commerce Cir.
Idaho Falls, Idaho 83401