StarFire SF-HC25K Torch Height Control
Overview
Chinese torch height control that regulates a brushed DC motor as a servo using arc voltage feedback from a plasma power supply.
Made by Beijing StarFire Control Technology Co.,LTD
Online Resources
https://web.archive.org/web/20230128100657/http://starfcnc.com/
http://hkw222a86.pic42.websiteonline.cn/upload/SF-H25G.pdf
http://myosuploads3.banggood.com/products/20200914/20200914221729thcsfhc25g.pdf