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 5950-01-160-7029
NSN 5990-01-020-6841
NSN 6220-00-773-8483
NSN 6620-01-462-5196
NSN 5990-01-340-3575
NSN 5920-00-655-1154
NSN 5996-01-121-8430
NSN 6240-01-012-6359
NSN 5855-01-157-3093
NSN 6145-00-372-3713
NSN 5945-01-129-9746
NSN 6150-01-390-9418