Prodyn

PPM Test Adds Passive Integrator and Current Probe to Range

PI-05W Prodyn Passive Integrator

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

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New ‘I-150-1HF’ Current Probe for Test and Measurement

I-150-1HF Current Probe

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

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Current Probe vs. I-dot Sensor

I DOT sensor

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

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FAQs – Measuring Magnetic and Electric Fields

FAQ blocks

The output of these sensors depends on their physical dimensions which are calibrated at the factory at the point of production. Therefore, these sensors do not need to be re-calibrated unless their physical form is altered, for example, through damage. … Continue reading

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