Classic Wind Speed Transmitter


Classic Wind Speed TransmitterPrecision wind speed measurement

The low-inertia light metallic cup star and opto-electronic pick-up combine to give a starting threshold of only 0.3 m/sec (0.7 mph). An electronically regulated heating system keeps the ball bearings and rotating parts frost and ice free down to -35°C (-31°F). The instrument is rated for 60 m/sec (135 mph) and 85°C (185°F). The Classic is ideal for process plants required to measure wind conditions. Standard analog outputs connect easily to data aquisition systems.

Our compact wind transmitters have the perfect price performance ratio for most commercial and industrial applications. Their built-in heaters make them serviceable in winter conditions and their standard 4-20mA output signal makes them simple to interface to building control panels or industrial chart recorders.

Speed Transmitter
The wind velocity is measured by means of a low inertia plastic cup-star whose ball-bearing axis is connected to a slotted disk. This disk is scanned opto-electronically and supplies 11 pulses with every rotation. These pulses are converted in the instrument to 4-20mA.

Direction Transmitter
The wind direction is measured by means of a low inertia metallic wind vane whose ball-bearing axis is connected to a slotted disk. The code disk is scanned opto-electronically and has been built with a 5 bit Gray Code to give a resolution of 11.25 degrees. This Gray-Code is converted in the instrument to 4-20mA.

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Classic Wind Speed Transmitter
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