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 5930-00-926-7544
NSN 5950-01-368-8428
NSN 5925-00-076-0120
NSN 5965-01-115-4068
NSN 5915-01-501-5222
NSN 6650-00-391-8404
NSN 6240-00-263-0549
NSN 6135-00-203-9645
NSN 7035-00-215-3272
NSN 6320-00-483-0451
NSN 6685-01-389-1472
NSN 5930-01-228-7892