EmStat is short for Embedded Potentiostat.
Originally these very compact potentiostats were designed as OEM product and are still very popular for many corresponding projects.
However, many customers found the economical, research grade potentiostats as an end-user device really useful. So shortly after the first EmStat generation was launched, the EmStat was offer as OEM potentiostat as well as housed potentiostat.
Learn more about the EmStat here.