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 5950-00-138-9148
NSN 6240-01-605-8096
NSN 6105-01-506-2661
NSN 5998-00-441-7400
NSN 5998-01-498-8213
NSN 6150-01-100-3413
NSN 5920-01-605-4979
NSN 6620-01-633-8443
NSN 5930-01-101-6144
NSN 5965-00-226-7870
NSN 5915-00-875-2101
NSN 5965-00-289-6280