标准号:IS 9166-1979
发布日期:1979/9/1 12:00:00
实施日期:1999/12/31 12:00:00
适用范围:1.1 This standard specifies spark test apparatus for intrinsically-safe circuits, suitable for testing the safety of sparking in explosive atmosphere of electrical apparatus or installations having resistive, inductive or capacitive circuits or a combination of these.1.2 The limits of the range of application of this apparatus are covered in 5.