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 6110-01-413-9874
NSN 5925-00-081-9135
NSN 6150-00-686-8322
NSN 5905-01-469-1389
NSN 6150-01-447-7201
NSN 6320-00-725-0754
NSN 6240-00-684-8181
NSN 6645-01-139-6473
NSN 4140-01-084-2998
NSN 6240-01-411-4603
NSN 6685-01-378-6821
NSN 6620-01-650-5226