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 5935-00-422-1178
NSN 6145-00-233-5965
NSN 2925-01-013-0413
NSN 5925-01-567-6989
NSN 5965-01-560-8572
NSN 5945-01-199-4431
NSN 6220-00-140-5638
NSN 7035-01-076-4067
NSN 5965-00-907-5183
NSN 5960-01-580-6360
NSN 6105-01-423-0136
NSN 4140-00-875-4552