Impedance Monitor 1 Operator. ,Each

Details:

Ground monitor^ single wire constant ground monitor, ohm metrics, power input 120vac-60hz, power output: 12vdc, 200ma, wrist open circuit voltage: 0.7 Vdc, 0.1Vdc at < 2ma, with one wrist strap/person, dimension: 0.88In h x 1.75In w x 1.25In d, for esd protectio