Test equipment set for testing the electrical safety of devices, particularly three-phase devices including welding devices, including IZYTRONIQ data processing software. Test equipment set with SECUTEST ST PRO for testing electrical devices, medical devices and welding devices - with both predefined and optionally programmable test sequences that are required in accordance with the latest test standards DIN EN 50678 (VDE 0701), DIN EN 50699 (VDE 0702), IEC/EN 62353 (VDE 0751) and IEC/EN 60974-4 (VDE 0544-4). The set is particularly suitable for testing tasks on three-phase devices, including arc welding equipment, and includes all three-phase adapters up to 32A required for efficient testing, as well as a peak value rectifier for measuring the open circuit voltage. Report creation in HTML on USB memory. Maintenance and repair of three-phase devices including arc welding equipment. Optional feature package DB-Comfort. 1x SECUTEST ST PRO 2x SORTIMO L-BOXX plastic system case 2x foam insert 1x AT16-DI adapter 1x SECULOAD-N test adapter 1x adapter cable CEE16A 1x IZYTRONIQ BUSINESS Professional