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 6150-01-136-6668
NSN 5920-01-149-0642
NSN 6645-01-435-4073
NSN 5920-00-055-9538
NSN 6610-01-311-1760
NSN 4140-01-409-1540
NSN 5910-01-194-7897
NSN 6135-01-134-7222
NSN 5925-01-478-1110
NSN 5990-00-382-5885
NSN 6130-01-466-1545
NSN 6150-01-215-1529