Radmetron РМ1621 X-ray and Gamma Radiation Personal Dosimeter (10 KeV - 20 MeV, 0.1 µSv/h – 0.1 Sv/h)

Detector: Geiger-Muller tube

Energy range: 10 KeV - 20 MeV

Dose equivalent rate (DER) measurement range: 0.1 μSv/h – 100 mSv/h

Dose equivalent (DE) measurement range: 1.0 μSv - 9.99 Sv

DER measurement accuracy: ±(15+0.0015/Ḣ +0.01Ḣ)%, where Ḣ - dose rate in mSv/h

DE measurement accuracy: ±15 % (in range 1 μSv - 9.99 Sv (100 μR - 999 R))

Search mode: no

Alarm Type: audio

LCD indication: - 40 up to +60 °С

PC communication: IRDA

Dimensions: no more than 87х72х39 mm

Weight: 0.150 kg

Ingress protection: IP67

Drop test on concrete floor: 0.7 m (2.4 ft)

Maximum permissible gamma radiation influence within 5 min: 1 Sv/h (100 R/h)

Mean recovery time: no more than 60 min

Mean service lifetime: no less than 10 years

Atmospheric pressure: from 84 up to 106.7 kPa

Operating temperature: - 40 up to +60 °С (from -40 up to +140 °F)

Humidity: up to 98% at 95°F (35°C)

Battery Lifetime: DER not more than 0.3 µSv/h, alarms activated for not more than 20 s/24 hours; 12 months (at temperatures from 0 up to 60°С)