Combined rain gauge and weather vane

Continuous rainwater monitoring system

Current meter

Detecting ice particles

Detector apparatus for detecting wind velocity and direction and

Detector for dry deposition of atmospheric contaminants

Detector for dry deposition of atmospheric contaminants having a

Device and method for measuring parameters during flight...

Device for determining the vertical distance between two element

Device for measuring in real time sea currents in deep water

Device for measuring sea currents at great depths

Device including a thermostatic enclosure, which is suspended fr

Differential depth indicator

Differential windshield capacitive moisture sensors

Digital weather station

Dual filter, drop based, digital raingauge

Dynamic rain gauge assembly

Dynamically balanced apparatus for water borne instruments

Early warning tornado detector

Earthquake forecasting method