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 6220-01-270-5118
NSN 6685-00-838-2793
NSN 5990-01-502-8209
NSN 5895-00-454-9613
NSN 7035-01-155-9025
NSN 5935-01-415-6544
NSN 6135-00-985-7846
NSN 5895-00-844-2954
NSN 5910-01-364-1166
NSN 6320-01-160-8578
NSN 5990-01-365-6016
NSN 6620-01-425-5193