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 6240-01-100-1279
NSN 6685-01-309-8360
NSN 6105-01-301-7159
NSN 5999-00-100-5761
NSN 5960-01-372-5609
NSN 5999-00-203-1202
NSN 7035-01-013-0934
NSN 5915-00-450-6821
NSN 4140-00-078-9357
NSN 6105-01-389-0592
NSN 6145-01-311-8785
NSN 7035-01-024-8067