Graphing picoammeter takes measurements with USB control

Graphing picoammeter takes measurements with USB control

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By Nick Flaherty

This rugged, portable, and affordable picocurrent sensor is available with high-speed and high-voltage options, optional bias, and 5kVDC float isolation. The 9103 USB Picoammeter measures bi-polar DC current and can be biased from an optional built-in fixed +90VDC bias, or an external low-noise DC power supply. It comes with a NIST-traceable calibration certificate.

The 9103 can take accurate current measurements from 1pA to 2.499mA at sample rates up to 500Sa/s. The user-friendly PC software interface supplied provides optimal control and quick access to all functions such as data recording and graphing. The 9103 picoammeter is also compatible with OSx, Linux, Matlab, and LabView, and can be controlled via a simple ASCII interface.

Designed to provide precise bipolar DC current measurements even in noisy environments such as synchrotron beam lines, the 9103 picoammeter is equally suited for diode and IC I/V characterization. The DC voltage isolation from chassis ground to 5kV allows researchers to include direct DC current measurement of very small electron and photo multiplier signals. Electron and ion beam measurements can be biased to reduce secondary electrons or to retard the beam as needed for experiments. The 9103 is also multi-channel capable – up to 127 units can be synchronized together.

Saelig –

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