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The WB series of transducers are available with seven AC and DC power supply ranges. The standard analog output is 0 to 1 milliamp for a burden resistance from 0 to 10,000 ohms. The WB series has galvanic, or ohmic, isolation between the power supply input and analog output. Each WB is factory tested for isolation exceeding 1500 VACbetween these two sets of terminals. The non-conductive phenolic case mounts easily with two screws, and the terminal strips have built in wire clamps for quick and reliable connections. The label clearly indicates the numbered input and output terminals for easy installation. The wind vane easily mounts on a user supplied ” rod or post and should be mounted at least 10 feet from large obstructions and at a height of 6’ or more for best accuracy. Care should be taken not to mount the wind vane where exhaust fans, road traffic, or other sources of air flow will affect the readings.
This transducer is designed for use in the electrically noisy substation environment and meets the surge withstand requirements of ANSI 37.90.1-1989. The manufacturing process for Demico Transducers include:
1. Printed circuit boards are coated with a polyurethane coating.
2. Every transducer is burned in for 100 hours at 110degrees F.
3. Power is cycled every 12 hours during burn in.
4. Every transducer passes a 1500 VAC isolation test before final testing. Demico takes these steps to ensure that our transducers provide good service over a long life.Demico’s standard one year warranty includes parts and labor.
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