Current probes

PPM Test has expanded its offering of passive integrators and current probes with the addition of two products from its partner Prodyn Technologies. The PI-.05 is the latest addition to the range of passive integrators and has a faster time constant of .05 microseconds and higher frequency than the other integrators. PPM Test also stocks Prodyn’s new I-125-2E current probe. Continue reading →

PPM Test has announced the new I-150-1HF Kwik-Latch® clamp-on current probe. The product, developed by Prodyn Technologies, has an internal aperture of 38.1mm and bridges the gap between the popular I-125 Prodyn series (31.75mm) and much larger I-262 series (66.5mm). The I-150-1HF has identical performance characteristics to the I-125-1HF current probe… Continue reading →

A current probe is not really a current sensor, because it does not respond to direct current. A current probe is designed to sense and integrate the first derivative of the current – or, more precisely, the magnetic field associated with the current being measured. A current probe is a self-integrating I-DOT sensor. In contrast, an I-DOT sensor can correctly be called a current sensor. Continue reading →