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 6685-01-111-8712
NSN 5990-01-432-0523
NSN 2925-00-265-7539
NSN 5975-01-634-0678
NSN 5996-01-094-7025
NSN 5960-00-173-6988
NSN 6320-00-557-3079
NSN 6620-01-595-4691
NSN 5935-00-712-3260
NSN 5930-01-398-0656
NSN 5990-01-335-7948
NSN 5895-00-700-4622