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 5998-01-113-8628
NSN 6685-01-020-7235
NSN 5855-01-430-0132
NSN 5920-01-378-8032
NSN 5910-01-470-5283
NSN 5905-01-444-1764
NSN 6135-01-442-4581
NSN 5975-00-606-6497
NSN 5935-00-902-3060
NSN 5998-00-227-8504
NSN 6105-00-334-9178
NSN 6220-00-682-8292