The EEC EST-300 series is a compact 3-in-1 hipot & insulation resistance tester with A4-size slim 2U rack-mount chassis, only 5.5kg light weight, suitable for bench lab and automatic cabinet integration. It integrates ACW, DCW and IR three core safety test functions.

It can be cascaded with EGB series ground bond testers to build a full safety test system covering hipot, IR and GB. Equipped with five patented safety circuits and certified by TÜV EN61326-1, it delivers dual protection for operators and DUTs.

Color LCD display supports multi-step programmable sequences with 50 internal test file storage. Standard RS232, USB, PLC HANDLER ports plus optional GPIB with full SCPI command support, ideal for unattended mass production, R&D evaluation and third-party certification labs.