[Heathkit] FS: Heath Digital Barometer

[David B. Perrin]

Hi-
 I have for sale or to swap a Heath Digital Barometer/Digital Clock
model ID-1990. Excellent condition with original manual. 
 ** Four digit LED display displays pressure in inches of mercury,
millibars, or kiloPascals. Indicates rising or falling, shows rate of
pressure change and recalls time and date of minimum or maximum
pressure.
 ** Six digit LED display shows time in 12 or 24 hour format and
alternates display to the current date.
 ** Rear terminal strip allows connection to external recorder.
Includes external battery backup in case of power outage.

Email for pictures.
 $100 double boxed and shipped and insured CONUS.

Dave