This standard specifies the technical requirements, test methods, inspection rules, marking, packaging and storage of magnetic grating digital display meters. This standard is applicable to magnetic grid digital display meters that use magnetic grid line displacement sensors as detection elements and use digital displays to display line displacement.
JB/T 9944-1999 history
2011JB/T 9944-2011 Digital readouts for magneto scale transducer
1999JB/T 9944-1999 Magnetic grating digital display sheet Technical conditions