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 4140-01-300-4151
NSN 2925-00-253-1655
NSN 5895-01-104-4410
NSN 5950-00-443-5085
NSN 6105-00-273-1106
NSN 6685-00-116-8073
NSN 2925-01-327-3069
NSN 6610-01-080-8064
NSN 5935-00-354-2096
NSN 5835-01-310-8979
NSN 5945-00-928-1194
NSN 7035-01-391-7470