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 5915-01-092-6443
NSN 5945-01-520-5643
NSN 6685-01-121-3728
NSN 5999-01-431-3365
NSN 5950-00-213-8687
NSN 5915-01-152-1263
NSN 5915-01-494-9550
NSN 6145-00-216-6613
NSN 5950-01-454-5251
NSN 5930-00-013-2202
NSN 6145-00-244-4565
NSN 6130-01-161-1735