The SCS CTC334-WW Ground Man Plus Monitor w/Unviersal Power Supply offers continuous monitoring of proper ground connections of up to 3 points in the tools. It will show which ground is being monitored and which one within specifications has failed. This unit is miniature, inobtrusive and easy to install and connect. The ground impendance alarm levels can be set by the user and satifies a broad range of requirements and complinace with such standards as ANSI 6.1 and ANSI/ESDA S20.20. This monitor comes with wrist strap monitoring that assures the only properly grounded operators work with the sensitive devices.