Alpha II Continuous Radon Detector. Used in very good condition. Includes DC adapter, connection cord, instruction manual and disk and a carrying case that fits the unit. Retail $1775. Technical Specification. Measurement Radon concentration in pico Curies per liter of air (pCi/l) or Bq/m3 Sensitivity 4.5 ±1 alpha counts/hour (pCi/l) Maximum Total Error Less than ± 3% Lower Limit of Detection < 0.1 pCi/l Measurement Interval 1 to 999 hours Maximum Number of Intervals 64 Continuous Measurement Range 1 hour to 2664 days Outputs 16 character LCD display, RS-232 to optional dot matrix printer Operating Temperature 32°F to 122°F Operating Humidity Range 0% to 100% RH, Non-Condensing Power Consumption Alpha II ® 0.5 Watts maximum 7-25 VDC from 120 VAC adapter or (3) C-cell alkaline batteries Power Consumption for Optional Printer 17 Watts maximum, 9 VAC from 120 VAC step down transformer Battery Operation 3 Days. Order this monitor here
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