For Sale: Alpha II Continuous Radon Monitor with DC Adapter, Case, and Manuals

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

Only works with Windows XP right?
Plus the inventor died last year so no place to get it calibrated?