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 6145-01-018-1752
NSN 6645-01-542-6159
NSN 6105-01-429-0232
NSN 5975-01-068-3705
NSN 7035-01-487-6481
NSN 2925-00-156-6615
NSN 7035-00-915-5798
NSN 5835-00-823-6116
NSN 6220-01-160-7249
NSN 5895-01-037-7112
NSN 7035-01-144-1868
NSN 5895-00-116-0661