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 6685-01-244-3226
NSN 5945-00-452-9428
NSN 5920-01-025-6989
NSN 2925-00-480-9068
NSN 5935-01-383-5949
NSN 6130-01-545-5713
NSN 5975-00-204-9190
NSN 5905-00-620-6580
NSN 5965-00-862-3295
NSN 6220-01-104-9679
NSN 4140-01-269-2135
NSN 5990-01-087-3103