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This wind sensor comprises a combined in-line wind speed and direction sensor. The wind speed sensor is a rotary cup type unit made in stainless steel, rotation of the cup-unit generates pulses with the aid of a proximity switch. The wind direction sensor is a wind vane type unit made in stainless steel. The wind vane drives a sin/cosine potentiometer.
Inside the safe zone the sensor is connected to the OMC-158 zener barrier box. This consists of an aluminium case containing the interface printed circuit board and three safety barriers. Inputs to the barrier box are the wind speed and direction signals from the OMC 150. The output message of the zenner barrier box contains the wind speed and direction, this is a current loop signal with AC11 information provided at 300 baud.
The system is robust, corrosion resistive, intrinsically safe and easy to install. | | 
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Technical Data |
| | Power Requirements
> 12 to 18 VDC, 100mA
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| | Outputs
> Potentiometer for direction
> Pulse for speed
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| | Accuracy
> Speed 2% Fro
> Direction +/- 3 degrees
> Speed range 0.3 - 75 m/s
> Direction range 0 to 360 no gap
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| | Environmental
> Operating temperature -30 to 60 degrees centigrade
> Moisture protection IP65
> Humidity 5 to 90 %
> EMC EN 500081-1 class B
> EN 50082-2
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| | Dimensions
> Size 900 x 345mm
> Weight 5kg
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| | Options
> OMC 157 vertical mounting arm
> OMC 154 calibrated certificate
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| | Applications
> Offshore Applications
> Hazardous Areas
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