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 5920-00-518-1789
NSN 6220-01-360-9659
NSN 5975-00-003-7844
NSN 5855-00-943-3894
NSN 5855-01-222-0992
NSN 6110-01-193-4832
NSN 6105-01-056-5258
NSN 6620-01-444-4048
NSN 6220-01-203-0362
NSN 6645-01-423-7760
NSN 7035-00-478-4596
NSN 5915-00-284-8744