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 5895-00-254-1918
NSN 5990-00-617-1422
NSN 5905-01-567-6831
NSN 5910-00-225-0370
NSN 5960-00-543-1956
NSN 5935-01-490-3461
NSN 6645-01-212-9474
NSN 5920-00-369-0923
NSN 6135-00-422-3967
NSN 5925-01-052-7670
NSN 2925-00-909-1241
NSN 6220-01-095-5825