AC Current Transducer
NK Technologies (San Jose, CA) has introduced the ATH Series AC Current Transducer. The ATH is designed to monitor power controlled by phase-angled fired, burst fired, or time proportioned silicon-controlled rectifiers (SCRs) in heating applications, without requiring an external current transformer or shorting blocks, explains the company. Patent pending Time Integration functionality incorporated in the ATH design provides an output signal directly proportional to the RMS amperage to ensure accuracy regardless of the AC current wave shape. The sensor samples the AC current continuously, updating its own time base when the current returns to the load after a pause. Based on the magnitude of the burst and the time interval between bursts, the sensor output represents the amount of power used by the connected load.
See more at www.nktechnologies.com .