OMC-116(M) Full metal Ultrasonic Wind sensor

Marine meteorological observations require devices designed to withstand the hardest environmental conditions such as heavy vibrations, sea spray, extremes of temperature, chemical particles etc. Observator has an exceptional track record in the world-wide supply of meteorological sensors to the marine and offshore markets.

The OMC-116M is a ultrasonic wind sensor based on the time of flight theory designed specifically for the rigors of the marine markets. The unit offers the industrial standard NMEA0183 output and also offers optional 4..20 mA outputs.

The robust design of stainless steel and marine grade aluminum makes this unit ideal for the hardest of environments. Heating is available as standard making the sensor suitable in operating temperatures down to –40°C. The standard mounting bracket with its integrated junction box makes this unit easy to install.

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Product Description

OMC-116(M)

The OMC-116M Ultrasonic wind speed and direction sensor comes standard with an industrial mounting bracket provided with 2 U-bolts suitable for mast mounting (max 65 mm dia.). An integrated junction box allows easy connection of sensor signal and power supply using standard cabling. The internal heater should be powered separately if used. The sensor can be configured to enable or disable the heater.

In applications where heating is not required (and hence disabled), the OMC-116 can be powered directly from an Obsermet display or data logger. In cases where the heater is to be used (advised in cases where temperatures below zero may be expected) an external 24Vdc power supply should be used with a capacity of not less than 250 watts.

The unit comes complete with a calibration certificate at no extra cost. Although the unit is maintenance free and does not need re-calibration, it is possible to return the sensor to Observator for a re-calibration if required.

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Technical specs

Features:

  • High accuracy maintenance-free sensor
  • Range 0 – 75 m/s
  • Fitted with an integrated heater (240 Watts, controlled separately)
  • Power supply through the display (OMC-140) possible
  • Supplied with calibration certificate
  • Easy to install
  • Integrated junction box
  • Standard NMEA0183 output, RS422 (baud rate user selectable)
  • Optional 4..20 mA outputs available
  • Ready for type approval
Wind-Speed:
  • Principle: Ultrasonic
  • Range: 0.75 m/s
  • Accuracy: ± 0.2 m/s
  • Threshold: 0.1m/s
Wind-Direction:
  • Principle: Ultrasonic
  • Range: 0-359.9 degrees
  • Accuracy: <2 degrees
  • Threshold: 0.1 degrees
Power Requirements:
Outputs:
  • NMEA0183 version 2.30
  • RS422, baud rate selectable
  • Identifier selectable
  • Optipnal 4.20mA outputs
Dimensions:
  • Weight 4kgs
  • Mounting arm with two U-Bolts for pole max 65 dia
Environmental:
  • Operating temperature: -20°..+60°C
  • With heater: –40°..+60°C
  • Moisture protection: IP66
  • Humidity: 10..99% RH

Documents

Download OMC-116(M) Spec
Download OMC-116(M) Manual

 

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