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 6130-01-508-4360
NSN 6645-00-342-5956
NSN 4140-01-534-9987
NSN 5990-00-067-6791
NSN 5985-00-492-2041
NSN 6320-01-578-6006
NSN 5855-01-154-1402
NSN 5905-00-345-0688
NSN 6240-01-080-3338
NSN 5915-01-195-4608
NSN 6610-00-411-7246
NSN 6240-01-093-4202