Signal converter series: 5 amp or low voltage to 4-20 mA
NK Technologies' CTC Series Signal Converters allow users to convert a CT Signal to a standard 4-20 mA two-wire, loop-powered signal easily.
NK Technologies' CTC Series Signal Converters allows users to utilize an existing standard 5 amp secondary CT or low voltage (0.333 V ac) ProteCT current transformer with non-contact ranges as low as 0-5 amps over a conductor to produce a standard 4-20 mA two-wire, loop-powered signal.
With DIN rail mounting and a 24 V dc loop-powered supply, the CTC series provides simple snap-in installation that requires no calibration because the primary current transformer ratio provides the scaling required without any installer intervention.
In some applications, such as monitoring a high voltage system, using a two-piece solution consisting of a current transformer and separate signal converter works better than using a one-piece sensor. A two-piece solution is also a better choice when the system is supplied with bus bars, making installation of a standard NK Technologies one piece current sensor over the conductor extremely difficult or even impossible.
NK Technologies
- Edited by Chris Vavra, Control Engineering, www.controleng.com
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