标准号:IS 8525-1977
发布日期:1977/12/1 12:00:00
实施日期:1999/12/31 12:00:00
适用范围:1.1 This standard lays down recommendations for design of linear scales and indexes for quantitative instruments to be read to a resolution within 0·33 to 0·62 and 0·67 to l·25 percent of the scale range. These recommen-dations are applicable only to single scale, single range instruments having dials with full circle, part circle or straight scales.1.2 These recommendations are not applicable to trans-illuminated dials, moving-scale with fixed-index instruments or to scales which have substantially non-linear characteristics.