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 6620-01-360-4725
NSN 6150-00-111-3194
NSN 5985-00-740-3549
NSN 5985-00-982-7326
NSN 5998-01-290-5546
NSN 4140-00-843-1300
NSN 5915-00-359-3271
NSN 6105-00-542-7948
NSN 5855-01-315-6180
NSN 5945-00-362-7192
NSN 6645-00-080-1087
NSN 6110-01-579-9980