This standard establis es the methods and means for the verification of single-channel and multi-channel electrocardiographs. This standard does not cover digital electrocardiographs, vector cardiographs, heart monitors, electrocardiograph information processors, and other associated special-purpose instruments.
NC 90-19-13-1985 history
1985NC 90-19-13-1985 Metrologial Assurance. lectrocardiographs. Verification ethods and Means