มอก. 1730-2541

Scope (English)

This standard specifies the test method for passenger car (term 3.1.1 in ISO 3833:1977) windscreen defrosting systems when these are fitted. It is not necessary for the tests to be repeated on types of power-driven vehicles which do not differ from one another in respect of the following essential features which affect defrosting performance: a) shape, size and surface characteristics of the windscreen; b) characteristics of each system designated by the vehicle manufacturer as contributing to windscreen defrosting. This standard does not specify reference areas or levels of performance.