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Dimensions
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21.6 cm (8 1/2") x 10.8 cm (4 1/2") x 25.5 cm (10")
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Weight
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2.5 kg (5 lbs)
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Display
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5 Digit 7-segment LED
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Power Supply
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5 AA internal rechargeable 2300 mAh NiMH batteries
18 to 20 hours operating time
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Charger
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9V, 660 mA
16 hour charge time
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Air Pump
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700 mL/min
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Display Range
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0 to 220 x 105 Bq/m3
0 to 9999.9 pCi/L
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Sensitivity
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Large scintillation cell: 1 cpm = 27.4 Bq/m3 (0.74 pCi/L)
Small scintillation cell: 46.9 Bq/m3 (1.27 pCi/L)
(Using grab sampling procedure)
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Lower Limit of Detection
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37 Bq/m3 (1 pCi/L) (Sniff mode running for 30 minutes)
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Response Time
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15 seconds (Limited by air flow rate)
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Recovery Time
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Recovers from high radon exposures to 5% peak value in 5 minutes
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Scintillation Cell Efficiency
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Large scintillation cell: 0.70
Small scintillation cell: 0.76
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Scintillation cell Volume
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Large scintillation cell: 0.30 L
Small scintillation cell: 0.16 L
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Detector
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Photomultiplier tube (B38B01W)
Approximately 400 to 1000V
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