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. Wind Sensor 0 Transmitter Housing Assembly, with I/O connection terminal strips _-_ • Operator’s Manual If you have any questions about the shipment, please call the OMEGA Customer Service Department. When you receive the shipment, inspect the container and equipment for signs of damage. Note any evidence of rough handling in transit. Immediately report any damage to the shipping agent. The carrier will not honor damage claims unless all shipping material is saved for inspection. After examining and removing contents, save packing material and carton in the event reshipment is necessary. Servicing USA and Canada: Call OMEGA Toll Free USA Canada One Omega Drive, Box 4047 976 Bergar Stamford, CT 06907-0047 Lava1 (Quebec) H7L 5Al Telephone: (203) 359-1660 Telephone: (514) 856-6928 FAX: (203) 359-7700 FAX: (514) 856-6886 Sales Service: l-800-826-6342 / l-SOO-TC-OMEGASM Customer Service: l-800-622-2378 / l-SOO-622-BESTSM Engineering Service: l-800-872-9436 / l-SOO-USA-WHENSM TELEX: 996404 EASYLINK: 62968934 CABLE: OMEGA Servicing Europe: United Kingdom Sales and Distribution Center 25 Swannington Road, Broughton Astley, Leicestershire LE9 6TU, England Telephone: 44 (1455) 285520 FAX: 44 (1455) 283912 The OMEGA Complete Measurement andControl Handbooks & Encyclopedias V Temperature V Data Acquistion Systems V Pressure, Strain & Force V Electric Heaters r/ Flow and Level V Environmental MonitoringI/ DH and Conductivitv and Control Call for Your FREE Handbook Request Form Today: (203) 359-RUSH MHDOS95HABA OMEGA Engineering Model WMS-22 and WMS-22A Current Loop WindStations Instruction Manual 1.0 INTRODUCTION The WMS-22 Current Loop WindStation measures wind speed and direction and converts each paramenter into 4-20 mA output signals for use by process control or monitoring systems. No external power is required since the encoding electronics for wind speed and for wind direction are isolated and powered from their respective 2-wire current loops. The WMS-22 wind sensor includes a three-cup anemometer and wind vane. The sensor is ruggedly constructed of UV-resistant ABS plastic and anodized aluminum parts. The cable that connects the pole-mounted wind sensor to the encoder electronics package may be extended up to a total of 250 feet. The encoded current loops signals may be transmitted over distances of up to several miles. The electronics package, which is typically mounted in an indoor locations, is supplied in a gasketed, wall-mounted NEMA-4X enclosure. The measurement time base for the wind speed-to-current conversion in the encoder is crystal controlled for stable long-term accuracy. Likewise, ratiometric signal conditioning is used to the direction measurement circuitry to minimize drift and non-linerity. Two versions are offered; the WMS-22A measures wind speed only, while the WMS-22 measures both wind speed and direction. The WMS-22 systems consist of two subassemblies: a wind sensor and a signal conditioning electronics assembly. 2.0 PHYSICAL DESCRIPTION 2.1 The Wind Sensor The rotating assembly containing the three-cup anemometer and wind vane for sensing wind speed and directional information is called the wind sensor. The wind vane is mounted on a common axis with the anemometer and includes a tail fin with a nose weight that provides balance. The wind vane is coupled to an angular encoder which is housed within the cylindrical weather skirt. 2.2 The Encoder The encoder electronics package is housed in a sealed NEMA enclosure and contains two independent 4-20 mA data channels, one for wind speed and the second for wind direction. Each- is powered from its respective 2-wire measurement loop. 2.3 Specifications Wind Speed I Measurement Range O-100 mph ~ Averaging Interval 2.1 Seconds Resolution 1 mph Threshold
Wettermessung - WMS-22A (508.06 kb)