Kontinuierliche ESD-Monitor

ESD monitor 1.Controlled by DSP+CPLD, with strong anti-interference. 2. Imposed voltage on monitored object is ultra-low. 3. Protect resistance to ground on each side of wrist strap is 1Mohm 4. Check by itself at starting 5. Led lighting and sound to indicate the problem.(sound can be off Monitored objects: 1. Two operators(WS1,WS2):Resistance,voltage 2. Two machines(Y1,Y2):Resistance 3. Two mats(S1,S2):Resistance 4. Ground(P):Resistance