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 5945-01-400-0754
NSN 5990-00-412-4411
NSN 4140-00-959-4255
NSN 6150-01-196-9623
NSN 5985-01-449-2404
NSN 6645-00-602-5968
NSN 5960-00-883-4793
NSN 5975-01-603-2610
NSN 5915-01-555-8751
NSN 6645-01-515-5756
NSN 5985-01-255-8985
NSN 5930-01-079-2535