The present invention teaches an apparatus for consistent and accurate on-site readings of fluorescence signals of coronavirus test result, with which a user directly reads a fluorescent light qualitatively instead of using electronic sensors. The fluoresc...

A method of calibrating the control current start-up threshold in a proportionally controlled drive system (11) for a work vehicle (10) is disclosed. To determine a current threshold value for use in the system (11) a control current (IC1/IC2) exhibiting a...