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 5910-00-660-9464
NSN 6220-01-610-6565
NSN 5985-00-615-9766
NSN 6685-01-527-3368
NSN 5935-01-622-8707
NSN 6685-01-251-8938
NSN 5925-01-486-3495
NSN 5855-01-429-8702
NSN 5975-01-271-0322
NSN 4140-00-707-5963
NSN 5985-01-237-1155
NSN 5910-01-378-7026