标准号:IS 1851-1975
发布日期:1976/4/1 12:00:00
实施日期:1999/12/31 12:00:00
适用范围:1.1 This standard lays down the requirements and tests for air-cooled and oil-cooled arc welding equipment of the single operator transformer type, for manual, semi-automatic and automatic welding.1.1.1 This specification applies to welding transformers suitable for supply voltages specified in 3.1.Note — This specification does not necessarily fully cover the requirements for transformers for gas-shielded arc welding.1.2 This specification does not cover rectifier type welding equipment.