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 6650-01-204-7841
NSN 6135-01-449-0625
NSN 5960-01-154-0018
NSN 5855-00-361-0167
NSN 5905-01-134-2706
NSN 5925-01-415-0261
NSN 6320-01-561-9011
NSN 7035-01-249-4547
NSN 5920-01-246-3652
NSN 6645-01-531-5976
NSN 6135-00-134-6648
NSN 5985-00-262-5109