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 7035-01-327-4456
NSN 6220-01-631-8897
NSN 5910-00-360-6268
NSN 5999-01-388-1344
NSN 6145-01-361-8553
NSN 6105-01-480-6179
NSN 5895-01-068-4355
NSN 6105-00-314-2168
NSN 6220-00-258-2967
NSN 5895-00-361-2609
NSN 6650-01-060-1734
NSN 6135-01-084-1609