To comply with IEC 61010-2-034 requirements, the series takes into account of safety by adopting the double insulation design for input power supply and output voltage to enhance user safety. Additionally, the retracted on-off switch design (START key) and various mechanisms for test activation (for instance, press and hold for 1 second to activate, activation by pressing double keys, etc.) are incorporated into the series to avoid accidentally touching that results in high voltage/large current output causing damage and danger to products or users.

EST-200 offers selectable ARC detection from 1 to 40 levels to identify potential product quality failures such as loose screws, bad material insulation etc. Furthermore it controls the ramp up time to prevent the occurrence of spike, which might cause wrong measurements.