IS 1248 Pt.7-1984 Specification for direct-acting indicating analog electrical measuring instruments and their accessories Part 7 Multifunctional instruments
1.1 This standard ( Part 7 ) applies to multi-function instruments having an analogue display ( as defined in 2.1.7 of Part 1 of this standard ).
1.2 This part also applies to non-interchangeable accessories ( as defined in Part 1 of this standard ), used with multi-function analogue instru-ments.
1.3 This standard also applies to a direct acting indicating electrical measuring instrument whose scale marks do no correspond directly to its electrical input quantity, provided that the relationship between them is known.
1.4 This standard also applies to instruments and accessories having electronic devices in their measuring and or auxiliary circuits.
1.5 This standard does not apply to signal generators, oscilloscopes amplifiers or to instruments with digital display.
1.6 This standard does not apply to special purpose instruments which are covered by their own Indian Standards.
1.7 This standard does not apply to special purpose device which are covered by their own Indian Standards when they are used as accessories.
1.8 This standard does not specify requirements concerning dimensions of instruments or accessories; for the former, see IS : 2419-1979*.
IS 1248 Pt.7-1984 history
1984IS 1248 Pt.7-1984 Specification for direct-acting indicating analog electrical measuring instruments and their accessories Part 7 Multifunctional instruments