We tested popular wideband O₂ controllers against lab-grade equipment to see how accurate their lambda readings really are under real engine conditions.
Abstract: This letter presents a precision low-noise sensor readout system with a bipolar junction transistor (BJT)-input-based amplifier and a high-input-impedance delta–sigma analog-to-digital ...
Abstract: NPL, PTB, and LNE designed and produced three different microcalorimeters for the WG29/WR7 band. The microcalorimeters used different correction methods to characterize effective efficiency.
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