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 6220-01-446-2527
NSN 5915-00-498-5866
NSN 5915-01-630-8125
NSN 5925-00-360-6785
NSN 6685-01-411-4435
NSN 5996-01-442-5218
NSN 6320-01-544-2799
NSN 5910-00-132-0404
NSN 5960-00-156-0702
NSN 7035-00-408-8170
NSN 5960-01-323-3143
NSN 5965-00-913-9545