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 6150-00-778-3289
NSN 5910-01-442-8987
NSN 5920-00-170-4247
NSN 5855-01-045-5932
NSN 6620-00-836-0399
NSN 6320-00-882-7061
NSN 5975-01-383-8991
NSN 5835-00-358-4235
NSN 5855-01-535-6275
NSN 5925-01-634-0664
NSN 6220-00-240-0142
NSN 6105-01-426-7906