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)
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