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 6135-01-260-7180
NSN 5930-00-852-2565
NSN 5950-01-116-3128
NSN 2925-01-049-8906
NSN 7035-00-731-8729
NSN 6620-00-349-4703
NSN 6620-01-622-4980
NSN 5950-00-766-4821
NSN 5985-01-167-8476
NSN 5855-01-145-4903
NSN 6610-01-612-9890
NSN 5925-01-425-0959