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 6135-01-482-3989
NSN 6110-01-224-2097
NSN 5915-01-020-6509
NSN 5985-00-650-0504
NSN 7035-00-235-3529
NSN 5910-00-276-6883
NSN 5998-01-526-8298
NSN 5930-00-435-9149
NSN 5855-01-432-8750
NSN 6320-01-515-7913
NSN 7035-01-394-3169
NSN 6130-01-367-6010