FLUID POWER:Bray Controls’ Series 6A line of Intelligent Electro-Pneumatic Positioners offer precise flow control and advanced digital communication. Utilizing proven technology, the line features reliability in the field plus the lowest air consumption on the market. For use with either double or single acting pneumatic actuators, the positioners can accept an analog 4-20 mA input or BUS intelligent HART, FOUNDATION FieldbusTM or PROFIBUS PA input. Both waterproof (NEMA 4, 4X/IP66) and explosion-proof (NEMA 4, 4X, 7 and 9) enclosures are offered. A waterproof, stainless-steel enclosure is available upon request.Optional accessories include an external gauge manifold with up to three gauges, volume boosters and an air filter regulator. Optional boards include a retransmission module, programmable electronic switches and cam activated limit switches. All optional accessories and boards can be easily installed in the field.
The engineers and inventors of the post WWII period turned their attention to advancements in electronics, communication, and entertainment. Breakthrough inventions range from LEGOs and computer gaming to the integrated circuit and Ethernet -- a range of advancements that have little in common except they changed our lives.
Neil Fromer is the executive director of the Resnick Institute, a program for energy and sustainability at the California Institute of Technology, working to develop new ideas and research technologies related to providing a sustainable future. He spoke to us about the severity of the current drought in California and how solar energy can help prevent such situations in the future.
Focus on Fundamentals consists of 45-minute on-line classes that cover a host of technologies. You learn without leaving the comfort of your desk. All classes are taught by subject-matter experts and all are archived. So if you can't attend live, attend at your convenience.