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The OMC-139 is a marine wind display for indication of relative wind speed and direction. This display can read information from several wind speed and direction sensors and as standard is provided with a NMEA0183 output.
The unit incorporates a digital LED indicator for speed and a double ring of 36 LED's to indicate average direction information and wind variation. The wind display information streams directly from the wind sensor as T.T.Y. or RS422 without the need for additional interfaces. Daisy chain connectors may be used to transfer wind sensor information to a second wind display. Depending on the capacity and type of cable used, a distance of up to 1000 m is possible. The front panel of the ship-borne wind display shows 0º- 180º on both sides of the scale. | | 
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Technical Details |
| | Features:
> Double led circle
> Gust display
> 2 minutes average & 10 minutes average
> m/s, knots, mph, km/h and Beaufort
> Analogue output wind speed & direction
> NMEA-0183 output
> Compatible with several wind sensors
> Remote brightness control (optional)
> 4..20mA or 0…1 volt analogue output signals for speed & direction (optional)
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| | Specifications:
> Speed display - 3 digit, 7 segment LED display, 14.3 mm height
> Gust display - 3 digit, 7 segment LED display, 10.1mm height
> Average 2 minutes, 10 minutes, or user
> Minimum & maximum gust
> Windspeed; Mph, m/s, knots, km/h, Beaufort
> Direction display: 36 LED's circular, colour red
> Wind variation: 36 LED's circular, colour amber
> Outputs: 15 v dc sensor supply / direction sensor reference supply (2,5 Vdc) / Signal transmission for daisy chain 4..20mA currentloop, 300 Baud, ASCII-code
> Inputs: Windspeed pulse (optional) / Direction potmeter (optional) / 20 mA currentloop / RS422 (optional) / Remote brightness adjustment (optional)
> Dimensions: 144 x 144 x 94mm
> Weight 800 g
> Operating temperature -30º to +60º C
> Moisture protection IP40
> Humidity 5-90%
> EMC BS EN 5008 class B
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| | Use With:
> OMC 127 analogue outputs 4..20 mA or 0-1 Vdc
> OMC 128 digital outputs RS232 or RS422 (NMEA-0183)
> OMC 129 remote brightness control
> OMC 775 table top housing with bracket
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