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Design News, April 2013

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the controller can be connected to the signal conditioner outputs. It requires a great deal of time to interconnect these components, plus the time expended to adjust the signal outputs to match the primary load characteristics. NK Technologies www.nktechnologies.com Current Transducer Series With split core magnetic sensing technology. tion then runs from the shorting block to a signal conditioner to produce the analog output proportional to the current, or to a different type of signal conditioner to produce an alarm relay contact. Once these connections are made This Setra Systems sensing technology provides cost-effective, high-accuracy measurement of electrical current up to 150A. Such current typically may be found running through the cables and wires used within HVAC/R and industrial applications, including refrigeration units, air handlers, compressors, pumps, fans, small industrial motors, and lighting. Advertisers advertiser page advertiser page The series clamped split core and self-gripping iris fingers design allows for the magnetic current transducer to grip onto the cable without additional support. This makes it easy to clamp onto existing power cables or wires within both new and retrofitted installations. In addition, the series is directly compatible with a snap-on command relay. Two optional power relay modules with LED indicators, sold separately as Models CCR24 (24VAC/VDC) and CCR-12 (12VAC/VDC) are available for remote motor startups. Designed for onsite mechanical attachment to the CTC Series, Model CCR relays provide a cost-effective solution for load switching without the need to mount an external relay elsewhere in the control enclosure. Setra Systems inc. www.setra.com in this issue advertiser page Ace Controls 18 Harmonic Drive Technologies 29 Proto Labs 8 Airfloat 53 Intertek 17 PTC Creo 35 Job Shop Shows Inc. BB Pyramid Inc. 53 Kepner Prod's Co. 53 QTC 57 LAPP USA 21 Rittal 36, 37 Linak U.S. Inc. 27 Rotor Clip Company Inc. 45, 47 60, C3 Allied Electronics 6 Ansys Inc. 13 Arrow Electronics Automation Direct 2, 4 page insert Avnet 11 Makerbot 41 Sapa Extrusions 49 Boker's Inc. 53 Master Bond Inc. 20 Sharon Tube/JMC Steel Group 25 C&U Americas LLC 19 Micromo Electronics 43 Smalley Steel Ring Co. 16 Clippard Instrument Laboratory 15 Micropower Direct 10 Stratasys 23 CSA Group 31 Mouser Electronics 4 Superbolt Inc. 52 Design West 46 National Instruments C4 TDK-Lambda Americas Inc. Newark Electronics 33 Thomas Division Novotechnik U.S. Inc. 58 publisher does not assume any liability for Digi-Key Corp. Exair Corp. Ferrule-Lock LLC C1, C2 3 57 1 Omega Engineering Design News | april 2013 | www.d esign n ews.com –59– errors or omissions in this index. 7 50, 51

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