[Test-Equipment] Spectroscope

[Robert Rolf]

Paul Galpin wrote:
> For calibration, what sort of temperature would give a fairly level output
> over the visible range and outside?
> 
> I believe that 9000K is up in the blue, and 4500k is up in the red, so
> perhaps somewhere in between might work .

Calibration is usually done with gaseous arc tubes (geisler tubes).
e.g. Neon, helium, argon, etc. whose spectral output lines are well known.

R