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 5935-01-584-6426
NSN 5990-01-337-4584
NSN 6150-01-283-0425
NSN 5945-01-371-3120
NSN 6685-01-281-7267
NSN 6320-00-224-1852
NSN 5985-01-308-3688
NSN 6685-01-148-0812
NSN 5945-01-219-1965
NSN 5855-00-237-4088
NSN 4140-00-110-4524
NSN 5925-01-622-3506