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 4140-00-143-4772
NSN 5895-01-509-6429
NSN 4140-01-011-8707
NSN 5960-01-279-2589
NSN 5960-01-390-5961
NSN 5920-01-193-7239
NSN 6220-01-184-5668
NSN 6135-01-443-4484
NSN 5895-01-655-5085
NSN 5835-00-554-0399
NSN 6145-00-261-8202
NSN 6685-01-432-2266