Hitachi ADP-1111 Scintillation Survey Meter (Gamma)

Radiation Detected: Gamma (and X-ray)
Detector: NaI(Tl) scintillator
Detector size: Φ25.4 mm × 25.4 mm
Relative Intrinsic Error: Within ±15%
Linearity: The response is within 0.85 to 1.22 (1 in 1μSv/h, IEC 60846-1:2009)
Energy: Dose rate: 50keV to 3MeV (The energy exceeding 3 MeV is compensated as 3 MeV, Counting rate: 50keV or more
Measurement Range
+ 0 to 30.0ks-1, 0 to 1.80M min-1
+ Background to 30.0 μSv/h, or 30.0 μGy/h
+ Background to 3.00 mR/h, or 3.00 mrem/h
Others: Switches to change time constant and save data, and LED light
Weight: Approx. 340 g (excluding cable)