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 5996-01-479-9637
NSN 5950-00-648-7193
NSN 6685-00-140-0890
NSN 5998-01-395-3539
NSN 6645-01-445-5235
NSN 7035-01-224-5165
NSN 6645-01-459-2350
NSN 5975-01-253-8207
NSN 6650-00-295-3609
NSN 5930-00-216-7511
NSN 6220-00-155-4524
NSN 6685-00-113-1888