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 6685-01-111-5288
NSN 5915-01-440-7390
NSN 6320-00-082-5868
NSN 6135-00-728-9860
NSN 5965-00-179-7886
NSN 6685-01-432-0265
NSN 5998-00-205-2951
NSN 5935-01-598-8825
NSN 5985-01-251-0844
NSN 4140-01-202-8670
NSN 5998-01-505-8723
NSN 5910-01-227-1724