The Hioki 3930 is a passive auxiliary tester that is connected to and controlled by the Hioki 3153 automatic insulation/withstanding tester or a sequencer, and is designed to safely permit testing of multiple points with a minimum of connection changes.

Key Features

• Output of the input high voltage from a user-selected channel
• 8 ch per unit (single mode), with up to 32 ch (4 connected units)
• Isolated high-voltage I/O, control signal lines, and power supply
• Control using the 3153 program function or with a standard sequencer