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 4140-01-538-9128
NSN 5985-01-469-2751
NSN 5855-00-451-6155
NSN 6220-00-202-8591
NSN 6150-01-250-0619
NSN 5975-00-173-1810
NSN 6105-01-394-5721
NSN 5960-00-118-8098
NSN 5990-01-470-2565
NSN 5975-00-553-7151
NSN 5855-01-655-4035
NSN 5935-00-555-2633