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 5910-01-273-7922
NSN 7035-01-468-6532
NSN 6150-00-117-0348
NSN 5998-01-212-8602
NSN 6135-00-519-1325
NSN 5905-01-290-0548
NSN 5985-00-138-1220
NSN 6645-01-488-5466
NSN 5915-00-780-7937
NSN 6620-00-531-8733
NSN 6150-00-510-3439
NSN 4140-01-028-8074