IEC 60216-4-3 (2000-04)

Covers the minimum requirements for ventilated and heated multi-chamber ovens used for thermal endurance evaluation of electrical insulation and of any other appropriate thermal conditioning application where the use of single-chamber ovens is inappropriate. Covers ovens designated to operate over all or part of the temperature range from 20 K above ambient to 500°C. Gives acceptance tests and in-service monitoring tests for both unloaded and loaded multi-chamber ovens and conditions of use.