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{{TM500 | mfg=Tektronix | type=DC502 | function=550 MHz frequency counter | class=counter | image=Tek dc502 opt1 1.jpg | introduced=1972 | discontinued=1977 | manuals= | {{TM500 | mfg=Tektronix | type=DC502 | function=550 MHz frequency counter | class=counter | image=Tek dc502 opt1 1.jpg | introduced=1972 | discontinued=1977 | manuals= | ||
* [[ | * [[Media:DC502 070-1412-00.pdf|Tektronix DC502 Manual (PDF)]] | ||
}} | }} | ||
It measures frequencies from 10 Hz to 550 MHz or totalizes events up to the readout capacity of 10<sup>7</sup>-1 at the maximum rate of 550 MHz. | It measures frequencies from 10 Hz to 550 MHz or totalizes events up to the readout capacity of 10<sup>7</sup>-1 at the maximum rate of 550 MHz. |
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