Hitachi PDR-111 ポケット測量メーター（ガンマ線・X線）

Radiation Detecte: Gamma and X-ray
Detecto: CsI scintillator
Energy: from 50keV
Acccuracy: ±15% for the reference 137Cs
Energy dependence: 0.5 to 2.0 on 60keV to 1.25MeV (ref. 137Cs)
Display: 4-digit LCD, Autoranging, 0.001 to 1.999μSv/h, 2.000 to 19.99μSv/h
Audible functions: Audible counter (with on/off), alarm indicator, battery down indicator, overload indicator
Alarm: Buzzer sound and alarm indicator blinking
Settings: 1 to 19μSv/h with increments of 1μSv/h (setting-free by default)
Power: One AA alkaline battery
Battery life: 70 hours or longer in continuous use
Environmental requirements in operation: Tempareture : 0 to +45 degrees C
Humidity: 90%RH or less (Non-condensing)
Dimensions: Approx. (W) 62 x (D) 27 x (H) 135 mm
Weight: Approx. 220g