I am testing a fuel cell and need to draw a large amount of current near zero volts, how can I do this with Chroma’s electronic loads?

In a previous FAQ the topic of the load’s ability to draw full current down to low voltage levels is addressed. However, if even lower voltages are required user’s may use a dc power supply in series the the load, effectively floating the load above ground. This technique will allow full current to be draw at zero volts. See Chroma’s application note on this subject for further details and hook up information.