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 5910-00-571-6854
NSN 5910-00-782-1996
NSN 5895-01-442-1345
NSN 6685-01-212-3259
NSN 5925-01-106-6726
NSN 5930-01-302-4552
NSN 5895-01-248-1792
NSN 6105-01-420-6541
NSN 6620-01-106-3553
NSN 6145-01-085-0097
NSN 6135-01-238-2878
NSN 2925-00-972-8180