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 6130-01-227-5538
NSN 5965-01-607-7684
NSN 6135-01-642-6830
NSN 5855-01-128-1762
NSN 6320-00-468-8421
NSN 6105-01-412-4584
NSN 5930-01-363-9888
NSN 5945-00-109-4504
NSN 5915-01-205-7498
NSN 7035-00-476-7178
NSN 6240-01-203-4992
NSN 5855-01-616-8724