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 6130-01-445-7133
NSN 5905-01-480-1381
NSN 5975-01-421-6940
NSN 7035-00-251-8201
NSN 5999-01-390-8272
NSN 6620-01-519-2628
NSN 5985-01-537-0247
NSN 4140-01-224-8715
NSN 5855-00-586-6255
NSN 6110-01-373-6096
NSN 6685-01-009-2890
NSN 6240-01-246-3248