Fields of application
Civil Defence, Authorities, Customs, Nuclear Medicine,
Nuclear Technology, Industry, Research
Features
Technical Data
Detector type |
thin-layer plastic scintillation detector |
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Detector size | 170 cm² detector surface, mechanically protected by a honeycombed protective grid |
Background count rate |
alpha: approx. 0,1 cps beta/gamma: approx. 15 – 25 cps |
Background count rate substraction |
with adjustable measuring time |
Function keys | keyboard with 5 membrane-switch arrays |
Alarm | for each nuclide separately adjustable, acoustic alarm |
Display of measured values |
either in cps or nuclide referred in Bq or Bq/cm², digital and analog display of measured values (bar graph) |
Nuclides | 25 calibrated nuclides, preset calibration factors, changeable acc. to user-specific requirements, integrated auto calibration |
Measuring time | continuous measurement with automatic or parameterisable attenuation |
Display | large graphic LC-display 128 × 64 pixels, with lighting |
Temperature range | -10°C up to +40°C, special version up to -20°C |
Power supply | 2 batteries AA type or optionally: corresponding rechargeable accumulators (NiCd, NiMH) or stationary use in wall station |
Dimensions/Weight | (280 × 125 × 135) mm / length with handle approx. 750 g (with batteries) |
Housing | ergonomically shaped plastic housing |
Interfaces | serial interface RS-232 recharge/mains supply external detectors |
(average values of measurements with 100 cm² substances)
The nuclide referred efficiencies of the scintillation detector are comparable with those of common GM-tubes.
C-14 F-18 P-32 S-35 Cl-36 K-40 Co-57 Co-60 Sr-89 Sr-90 / Y-90 (auf Sr-90 bezogen) |
ca. 14% ca. 18% ca. 25% ca. 5% ca. 42% ca. 30% ca. 7% ca. 27% ca. 27% ca. 42% |
Tc-99m In-111 I-123 I-125 I-131 Cs-137 Au-198 Tl-204 Am-241 α P-238 α U-238 α |
ca. 3% ca. 8% ca. 7% ca. 12% ca. 21% ca. 35% ca. 23% ca. 43% ca. 22% ca. 12% ca. 26% |
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