Wide range pressurised ionization chamber for high precision ambient equivalent dose rate measurements, for the FHT 6020, FH 40 G and SVG2.
The FHT 192 connects to the FHT 6020 area monitor or the FH 40 G survey meter, for measurements at high energy accelerators or X-ray sources.
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| Detector type | Pressurised ionization chamber |
|---|---|
| Measured variable | Ambient equivalent dose rate H*(10) |
| Measuring range | 100 nSv/h – 1 Sv/h |
| Energy range | 30 keV – 7 MeV (± 30 %) |
| Gamma responsiveness | 250 fA/µSvh⁻¹ |
| Angular acceptance | −45° < Φ < +90° (270° solid angle) |
| Overload | Up to 50 Sv/h overload indication |
| Operating gas (permanently filled) | Noble gas – nitrogen – mixture, 7000 hPa (absolute value) |
| Volume | 4.25 litres |
| Length | 500 mm incl. polystyrene cap (detector part 270 mm) |
| Diameter | 208 mm incl. polystyrene cap |
| Weight | approx. 3.25 kg (7.1 lb) |
Source: Thermo Fisher Scientific, FHT 192 product specifications (2007) and product page 425354050. Full specifications are available in the documents.
