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 5975-01-631-6032
NSN 5996-00-406-4951
NSN 5945-01-529-6201
NSN 6240-00-452-5241
NSN 5905-00-085-4486
NSN 4140-01-481-4237
NSN 4140-00-866-9587
NSN 5985-01-027-7633
NSN 6620-01-223-9025
NSN 6220-00-529-8415
NSN 6650-01-131-7233
NSN 6645-01-205-0028