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 5996-00-020-0275
NSN 5895-01-169-2266
NSN 6105-00-281-8185
NSN 6320-00-731-6134
NSN 5996-00-104-8119
NSN 5950-01-452-7197
NSN 5975-01-418-4003
NSN 6610-00-419-3154
NSN 6220-01-593-5083
NSN 5905-01-444-3891
NSN 5960-01-632-6576
NSN 2925-01-646-9112