Aim-TTi-Single-Power-Supply-USB (Universal Serial Bus)-RS232-GPIB-QL355P-Aim-TTi-QL355P-SII-P-The-Aim-TTi-QL355P-SII-offers-an-unparalleled-level-of-precision-Voltage-&-current-are-controlled-using-instrumentation-quality-16-bit-DACs-enabling-voltages-to-be-set-to-1m V-resolution-even-at-full-output-voltage-P-P-Indeed-the-accuracy-is-sufficient-for-the-QL-to-be-used-as-a-calibration-source-for-some-h&-held-DMMs-The-QL-series-uses-pure-linear-technology-&-offers-unrivalled-performance-in-terms