Featuring Pre-Alarm and Alarm for dose and dose rate
Internal Memory for data-logging

Radiation Measured: Gamma (X) rays and Beta rays
Detector: Silicon semiconductor
Measurement Range: 1μSv to 9.999Sv
(0.1mrem to 999.9rem)
1μSv/h to 9.999Sv/h
(0.1mrem/h to 999.9rem/h) for dose measurement
Accuracy: Gamma(X) rays : ≤ ± 10%
(0.1mSv to 9.999Sv (10mrem to 999.9rem), 137Cs)
Beta rays: ≤ ± 15%
(0.1mSv to 9.999Sv (10mrem to 999.9rem), 90Sr/90Y)
Energy Range: Gamma(X) rays : 30keV to 6MeV
Beta rays : 0.2MeV to 0.8MeV (Mean energy)
Energy Response: Gamma(X) rays : ≤ ± 20%
(50keV to 6MeV, 137Cs reference)
Beta rays : ≤ ± 30%
(0.2MeV to 0.8MeV (Mean energy), 90Sr/90Y reference)
Angular Response:

Gamma rays :
≤ ± 20% (Up to ±60degree vertical and horizontal, 137Cs)
≤ ± 50% (Up to ±60degree vertical and horizontal, 241Am)
≤ ± 30% (All around horizontal, 137Cs, free air)
Beta rays :
≤ ± 30% (Up to ±60degree vertical and horizontal, 90Sr/90Y)

Dose Rate Linearity: Gamma(X) rays : ≤ ± 10%
(0.1mSv/h to 9.999Sv/h (10mrem/h to 999.9rem/h), 137Cs)
Beta rays : ≤ ± 20%
(0.1mSv/h to 9.999Sv/h (10mrem/h to 999.9rem/h), 90Sr/90Y
Display LCD: (with backlight)
Alarm Volume: 85 to 100dB (at 30cm)
Communication Method: Infrared communication
Operating Temperature: -20℃ to 50℃ (-4°F to 122°F)
Operating Humidity: 35% to 95%RH (Non-condensing)
Power Supply: Primary Battery (CR123A) x 1
Battery Life: 2880hours (without alarm/ communication)
Dimensions: 60(W) x 33(D) x 78(H)mm
(2.4(W) x 1.3(D) x 3.1(H) in)
Weight: 105g approx. (0.23lb approx.)