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 5950-00-473-6066
NSN 5985-01-072-1527
NSN 5990-00-952-7100
NSN 5855-01-159-1654
NSN 2925-00-605-8520
NSN 5998-01-574-6439
NSN 5925-00-312-4426
NSN 6110-01-042-0510
NSN 5985-01-048-8632
NSN 5835-01-514-5758
NSN 6135-01-205-5965
NSN 7035-00-585-2113