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 5935-01-444-0860
NSN 5990-00-636-4218
NSN 6320-01-243-2276
NSN 5925-00-111-1969
NSN 5990-01-258-3848
NSN 6610-00-270-6649
NSN 6105-00-021-2965
NSN 6685-01-583-6756
NSN 4140-01-546-2747
NSN 5910-01-070-9037
NSN 5985-01-417-5053
NSN 5895-00-026-9870