485: Difference between revisions

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17 bytes removed ,  7 February 2018
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The [[465]], which was introduced after the 485, only received this feature in its "B" incarnation (465B).
The [[465]], which was introduced after the 485, only received this feature in its "B" incarnation (465B).
A healthy Tek 485 CRT has been observed to have a filament current of 98 mA.
A broken Tek 485 CRT that lost its vacuum was observed to have a filament current of 153 mA.


==Specifications==
==Specifications==
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* [http://www.amplifier.cd/Test_Equipment/Tektronix/Tektronix_other/485.html Tek 485 @ amplifier.cd]
* [http://www.amplifier.cd/Test_Equipment/Tektronix/Tektronix_other/485.html Tek 485 @ amplifier.cd]
* [https://youtube.com/watch?v=7Qg6ory3L8Y 485 troubleshooting] @ YouTube
* [https://youtube.com/watch?v=7Qg6ory3L8Y 485 troubleshooting] @ YouTube
==Maintenance issues==
A healthy Tek 485 CRT has been observed to have a filament current of 98 mA.
A broken Tek 485 CRT that lost its vacuum was observed to have a filament current of 153 mA.


==Pictures==
==Pictures==
<gallery>
<gallery>
File:Tektronix 485 oscilloscope2.jpg
Tektronix 485 oscilloscope2.jpg
File:Tek 485.jpg
Tek 485.jpg
File:Tek 485 front2.jpg
Tek 485 front2.jpg
File:Tek 485 front.jpg
Tek 485 front.jpg
File:Tek 485 rear.jpg
Tek 485 rear.jpg
File:Tektronix 485 oscilloscope5.jpg
Tektronix 485 oscilloscope5.jpg
File:Tek 485 tq.jpg
Tek 485 tq.jpg
File:USA Tektronix 485 Inside1.jpg
USA Tektronix 485 Inside1.jpg
</gallery>
</gallery>




[[Category:400 series scopes]]
[[Category:400 series scopes]]

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