The SS300 is an uncompensated pancake Geiger-Müller-based probe for alpha beta and gamma contamination measurement.
| Operating Voltage | 550 V |
| Window | 2 in2 (15.5 cm2) 1.6 to 2.0 mg/cm2 mica |
| Measurement Range | 0 - 5 kcps |
| Plateau Length | 150 V |
| Temperature Range | -10°C to + 50°C |
| Energy Response | 20 keV - 2 MeV Gamma, ≥ 40 keV Beta, > 3 MeV Alpha |
| Housing Connector | MHV |
| Dimensions | ∅ 3" x 10" x 2.5" (70 x 254 x 64 mm) |
| Active Area | 2 in2 (15.5 cm2) |
| Weight | 10 oz (280 g) |
Listed as percentage of 2π emission rate
| Nuclide | Emission | Efficiency |
| Am-241 | α | 29.10% |
| Pu-238 | α | 26.60% |
| Nat U | α | 63.50% |
| Sr-90/Y-90 | β | 56.70% |
| C-14 | β | 19.40% |
| Pm-147 | β | 59.10% |
| Pu-238 | β | 25.80% |
| Co-60 | β | 36.20% |
| Cs-137 | β | 50.60% |
Documents
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Probe-Selection-Guide-EU-Version-1.2
Download (413.29 kB) -
SS315-SS300-Probe-Datasheet-EU-Version-1.2
Download (608.08 kB)
Catalogues
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Radiation-Monitors-EU-Version-1.4
Download (9.32 MB) -
Monitoring-and-Analytical-Equipment-EU-Version-1.3
Download (28.21 MB)

