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 5975-01-313-0846
NSN 5920-01-519-2185
NSN 6620-01-364-0195
NSN 5910-01-113-9807
NSN 6610-00-760-4476
NSN 5895-00-068-7134
NSN 5855-01-131-9336
NSN 6110-01-632-7774
NSN 5910-01-196-4749
NSN 6145-01-195-8824
NSN 5855-01-147-6024
NSN 5960-00-304-8668