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Hi Adrian, I was interested to see your suggestion of substituting NiMH sub-C cells for the original NiCds in the J16. Are you using the original battery charger? According to the J16 manual the

Eyebrows raised. I hope not, but if so I hope they find the perp and teach them a lesson. --Eric Sent from my Samsung Galaxy smartphone.

Group, The following was removed from my previous message. It is an email I just received from the Oregon State Police. Rolynn Tek Bvtn and Sunset 1966-1971

--- the forwarded message follows -- Is this the JON BATTERS of Grants Pass OR - a member of our group? Rolynn Tek Bvtn and Sunset 1966-1971

This 5B10N has a special blanking mode: https://www.ebay.com/itm/232916392120 Anybody know anything about it?

Hi Daniel, Quick response as it's getting a bit late this side of the pond but yes, the Tek J16 and it's range of sensors is pretty good and the instrument itself is nice and easy to fix too! I have a

Hi Folks, ? ?I just caught this thread because of the word "sensor" in the subject line - "photo-sensor" would have been more helpful, but I am glad I read the message, as it is a subject of

Thank you very much.?I was not sure if my TG501 is in the parameters, I did not have a 1GHz oscilloscope.? Now I can compare with the pictures posted.? Best wish. Petru

If keeping the existing photopic filter (I'm assuming there is one) then some research into the response of the current diode will be needed. I think an alternative might be to remove the current

And here's the album link for posterity: /g/TekScopes/album?id=69365.

As always, check the power supply voltages, and ripple first. Easy to do, the test points are right on to of the uncased instrument, and labeled too! Also, check the fuses under the little cover at

Hello Petru I've put a couple of screenshots in the photos section (under TG501 5ns 2ns). The amplitude of the 5ns waveform is 1.24v pp and well within spec. The 2ns is 0.9v pp. this appears below

Yesterday I was using my 495P. I walked away for about an hour and when I returned there was just a bright spot in the center of the screen - no vertical or horizontal deflection. It seems to me like

Yes indeed, it's the aforementioned TO-5. What are your suggested replacements?

Thanks very much, Roger. You can go away on your holiday; don't worry about trying to fix this!!!

As I say, the gain is set in the sensor head so it's in the feedback loop of the main instrument, I have a 6501 photopic head but don't have the 6511 (cosine corrected) version. I'll be surprised if

J6511. He says it's the sensor and I believe him. I suspect this may be made of unobtanium.

There are a number of sensor heads available for this instrument, I have several of them here. They come in both 'imperial' and 'metric' units. In terms of electronic components they only have a photo

And I quote: "I went through the prescribed procedure in the manual to inject an artificial DC signal into the 15 pin connector on the readout unit and got a sensible number, but the whole thing goes

What do you mean by the sensor ? Is it the actual photo pick up device or it is the sensor assembly is not working ?