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 5910-00-114-0683
NSN 5835-01-267-3388
NSN 6240-01-118-6398
NSN 5950-01-190-8109
NSN 5835-00-135-2480
NSN 6645-01-268-0544
NSN 5996-01-035-7206
NSN 5975-01-461-3120
NSN 5925-01-447-2968
NSN 4140-01-391-6462
NSN 6650-00-820-4577
NSN 5855-01-236-9645