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 6645-01-367-1316
NSN 6620-01-576-4308
NSN 5925-00-092-0578
NSN 6135-01-463-2445
NSN 7035-01-215-7764
NSN 7035-01-369-1445
NSN 5925-01-273-2161
NSN 5990-01-502-8209
NSN 6620-01-158-9412
NSN 5915-01-558-4426
NSN 5996-01-131-4115
NSN 6320-00-681-1324