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 5999-00-354-0369
NSN 5930-01-485-3637
NSN 5930-01-407-4070
NSN 6620-00-139-3800
NSN 5895-01-144-3383
NSN 5985-01-398-1616
NSN 6150-00-901-7264
NSN 6645-01-505-5772
NSN 5895-01-413-6937
NSN 5855-01-100-3272
NSN 4140-00-299-0595
NSN 6650-01-373-4159