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 5945-01-146-5464
NSN 6145-01-651-0803
NSN 5975-00-980-1123
NSN 4140-01-505-5321
NSN 5996-01-304-1088
NSN 5915-01-353-8645
NSN 7035-00-803-3056
NSN 6620-01-320-7656
NSN 6135-01-202-8113
NSN 5990-00-443-2743
NSN 6645-01-243-0468
NSN 5930-00-011-8284