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 5895-01-183-2984
NSN 5945-00-412-0746
NSN 6645-01-134-2976
NSN 5960-01-365-5729
NSN 6220-01-487-7690
NSN 6135-01-454-7041
NSN 5975-00-665-3644
NSN 5920-00-359-9771
NSN 6105-00-581-9472
NSN 5996-01-334-6765
NSN 5910-00-276-6883
NSN 6240-00-991-6929