Mark II WSI Wind Speed Indicator
Perfect for your living room, den, workshop or office. Instruments are accurate, low-cost and practical. Standard model indicates wind speed directly on liquid filled scale reading in both Miles per Hour (0-80) and Beaufort scale (1-12). Also available is metric model, same as above but reading 0-130 kilometers per hour. To order, specify Mk II Wind Speed Indicator, MPH or Mk II Wind Speed Indicator, KPH.
Molded white plastic instrument has gold tone scale, 7-3/8″W X 5-5/8″H X 1-1/8″D. Includes ABS plastic vane, 50′ tubing, mounting hardware and gage fluid.