Tubes Asylum

RE: Great reliability IME

154.20.198.174

bernard991

In Reply to: RE: Great reliability IME posted by casouza on March 20, 2008 at 10:15:41

I have checked out the 61 and goes to 275C only ...the 65 goes to 500C
maybe it is a better bet ?
they are not shaped like a pistol but rather a remote control ..is this your model ?
cheers

Follow Ups:

RE: Great reliability IME - casouza 11:23:33 03/21/08 (1)
Yes, Fluke 61 is the one I have.
I did not realize it measures "only" up to 275 C.
My advice and description were based on the cheaper IR thermometers I saw on Ebay.

On second thought 220 C is the highest tube glass envelope temperature I have seen on tube data sheets.
I suggested a wider range to make the tool future-proof, because a transmitting tube with red-hot plates will measure more than 300C. Anyway if you are not into "electric chair" DIY high-power SET amps, the suggestion is moot.

I have measured at the most 150 C on class A KT-88s, pointing the laser straight at the plate structure.
I hope this clarifies.
- RE: Great reliability IME - bernard991 17:45:58 03/21/08 (0)
  so perhaps the 61 would be fine ....
  thanks for your input !

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