Fischer Precision Aneroid Barometer 104 Marine Wind Speed Records with Time/

Wind Speed Records with Time/ Date Stamp

It is an arrangement of wind speed and direction

Housed within a rugged

Outdoor Humidity Range: 10% to 99% (%RH)

11-jewel ship's bell clock movement with bell silencer switch

Fischer Precision Aneroid Barometer 104 Marine Wind Speed Records with Time/Fischer Germany "Precision aneroid barometer" 104 Aneroid barometer for measurement of the absolute atmospheric pressure. Precision movement with self stable set of five aneroid capsules made of a copper beryllium alloy. Measuring range 890 to 1050 hPa Accuracy 0. 7 hPa Graduation 0. 5 hPa The aneroid capsules are nearly free of age hardening, hysteresis and elastic after effects. The influence of temperature on the set of aneroid capsules and the