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Operation |
Detection of alpha-particles emitted by short lived Rn-222 and Rn-220 progeny collected on a filter by a fixed air flow rate |
Detector
|
Ion implanted, light shielded silicon detector; 150 mm©÷ sensitive area |
Filter |
Milipore 0.8¥ìm pore size; diameter active diameter 14mm |
Pump rate |
0.14 L/min |
Online control |
LCD, 3 rows (each with 12 characters); single button soft key pad |
Device control & data transfer |
IR interface to PC COM port |
Alert function |
Buzzer |
Dimensions/Weight |
138 x 57 x 32 mm; 300 g |
Power supply |
Internal NiMH battery; rechargeable; more than 50 h operational time |
Housing |
Aluminium, shock resistent |
Ambient conditions |
Temperature: -10¡ÆC - +50¡ÆC; humidity: 0% - 98% (not condensing) | |
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