Bertin Technologies ALPHAGUARD DF2000 - Page 76

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USER MANUAL
Background signal due to
internal detector
contamination
< 1 Bq/m³ (0.03 pCi/l)
Measurement range Radon
(Rn-222)
2 Bq/m³ … 2 000 000 Bq/m³
(<0.05 pCi/l … 54 000 pCi/l)
Resolution on LCD display
1 Bq/m³ (0.01 pCi/l)
Fold back protection
> 10.000.000 Bq/m³ (> 300 000 pCi/l) verified
System linearity error
< 3% within total range
Instrument calibration error
(Rn-222)
r
3 % (plus uncertainty of the primary
standard)
Measurement modes and
cycles
10 min, 60 min (Diffusion)
Data capacity (non-volatile)
Up to 60 000 measurement points
~ 400 days at 10 min measuring cycle
~ 2 500 days at 60 min measuring cycle
Resolution of graphic display
160 x 104 pixels
Operation from internal
battery
> 10 days
Weight (incl. Internal battery)
6,2 kg (13,7 lbs)
Dimensions without handle
(L x W x H)
Dimensions with handle
(L x W x H)
282 mm x 340 mm x 123 mm
329 mm x 355 mm x 123 mm
System operating range
-
Temperature
-
Atmospheric pressure
- Humidity
-10 °C … +50 °C (+14 … +122 °F)
700 mbar … 1100 mbar
0 % rH … 95 % rH (non-condensing)
Power consumption external
power supply
100 – 240 V (400 mA)
50 – 60 Hz