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 6110-01-251-1545
NSN 6685-01-634-0611
NSN 4140-00-613-9209
NSN 2925-00-644-0028
NSN 6135-01-190-2628
NSN 5996-01-372-7392
NSN 5945-01-367-8804
NSN 5895-00-410-3772
NSN 5925-01-089-2175
NSN 6220-01-202-0195
NSN 6150-01-030-2461
NSN 5985-00-931-0120