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 5950-01-376-7623
NSN 5985-00-540-1964
NSN 5999-01-109-0364
NSN 6645-01-084-5627
NSN 5930-01-492-0208
NSN 7035-00-931-9415
NSN 5975-01-170-2631
NSN 6320-00-823-2015
NSN 6135-01-579-3534
NSN 6650-00-710-8130
NSN 7035-00-358-0470
NSN 5945-00-816-9717