Leak testing (LT) Level 2 according to DIN EN ISO 9712

Training

Training must cover the training content recognised by the LT technical committee. The minimum training time is 9 days. (The duration of a training day is at least seven hours, which may be completed on a single day or by accumulated hours.)

Prüfungszentren

Eine Liste der autorisierten Schulungs- und Prüfungszentren finden Sie auf der Seite Standorte.

Examination procedure

SectionExplanationDuration
Identification of participants, examination rules, preparation
General examination element40 questions80 min
Break
Specific examination element TG + DG30 questions90 min
Specific examination element when restricted to TG or DG20 questions60 min
Break

Practical examination element
including NDT instruction

240 min

Number of examination specimens for initial examination

Three examination specimens shall be used, and the second and each further specimen must differ in nature from the preceding ones, e.g. by product form, material properties, shape, size and type of discontinuity.

An NDT instruction shall be prepared for one examination specimen selected by the examination officer.

Industrial sector1st specimen2nd specimen3rd specimen
ISTGTG oder DGDG

Dates

Course no. Training Examination Organiser, location
LT-26-474 Initial 23.11.2026 - 03.12.2026 04.12.2026 VECTOR mit Leybold, Köln