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 6620-01-654-3830
NSN 5925-01-017-5772
NSN 6220-01-594-6883
NSN 5925-01-054-3783
NSN 6610-01-391-6781
NSN 5950-01-584-1888
NSN 6105-00-677-0593
NSN 6645-01-157-9080
NSN 6145-01-260-5940
NSN 5975-00-189-0093
NSN 5910-01-186-2706
NSN 6220-00-774-5347