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 6135-01-523-0370
NSN 5975-01-120-9810
NSN 5985-01-371-2188
NSN 6220-00-111-7318
NSN 6105-01-462-7337
NSN 6620-00-481-1527
NSN 5965-01-467-2071
NSN 5990-01-443-2931
NSN 7035-01-073-5233
NSN 6150-01-178-4776
NSN 6610-00-248-1559
NSN 5895-00-435-5955