An instrument which measures the rate of regularly recurring variations in an electric current or voltage and is usually calibrated in hertz (cycles per second or cps). The value may be expressed by means of a pointer and calibrated dial vibrating reed or a digital read out display. For instruments which measure radio frequencies, see calibrator, frequency; and wavementer. excludes: counter electronic digital.
Classification: Parts and accessories of articles of schedule b subheading 9030.39
NSN 6220-01-340-9278
NSN 5935-01-050-5440
NSN 5950-00-138-1124
NSN 5950-00-597-3661
NSN 5996-01-449-0666
NSN 4140-01-483-7212
NSN 6645-00-754-4108
NSN 6135-00-078-9931
NSN 5996-01-213-5184
NSN 5975-01-114-1519
NSN 6220-01-332-7793
NSN 5905-01-378-0043