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 6110-01-535-7162
NSN 6135-01-574-6185
NSN 5998-01-168-7440
NSN 5950-01-304-4052
NSN 5985-01-073-1814
NSN 5960-00-627-6911
NSN 5945-01-258-5042
NSN 6650-00-454-5215
NSN 5905-01-485-3401
NSN 6610-00-255-2752
NSN 5930-01-550-0182
NSN 6320-01-052-2118