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 5855-00-482-9876
NSN 4140-01-100-1223
NSN 6145-01-339-2420
NSN 4140-01-068-3500
NSN 6320-01-072-2073
NSN 5975-01-109-0511
NSN 5998-01-224-6404
NSN 5905-00-044-6571
NSN 6240-01-361-1612
NSN 6620-00-456-0404
NSN 6620-01-081-1042
NSN 6610-01-087-4701