is a wide range scintilation meter of strong radiation designed for high precision ambient dose equivalent rate measurements Ḣ*(10)

• 5 nSv/h to 10 mSv/h ambient dose equivalent rate range
  • option up to 10 Sv/h 
• 50 keV to 8 MeV wide energy range for photons
• -135° … +135° sphere angular response
• -25 … +50 °C temperature range
• overload up to 30 Sv/h
• 1 nSv/h sensitivity
• 1 s measure interval (optional 1 ms,  10 ms, 100 ms)
• fast response 3 ms / 4 decades
• small dimension: ø 80 mm x 320 mm
• small weight: 1.6 kg
• measure system without dead time
• short and long term stability
• discrimination terestrial and cosmic radiation
  • Uncertainty of type A measurement (for 1sigma and Ḣ*(10)_terrestrial = 70 nSv/h):
  • ± 1 %, for measurement time > 300 s
  • ± 5 %, for measuerement time > 10 s