The ZENNIUM PRO is a modular high-end potentiostat / galvanostat including a frequency response analyzer (FRA). The ZENNIUM PRO potentiostat offers 32 bit DC resolution and 24 bit AC resolution across 12 different current ranges, which allows it to carry out precise and accurate measurements..https://www.gaiascience.com.sg/productdetails/zennium-pro--electrochemical-workstation