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Measuring instrument.
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Measuring instrument.


  • Subject: Measuring instrument.
  • From: "Joseph Chamberlain, D.D.S." <email@hidden>
  • Date: Wed, 19 Sep 2007 21:13:16 -0700
  • Thread-topic: Measuring instrument.

Dear members:


I am in need of a measuring instrument capable to measuring the following
from a light source:

1. CCT (color correlated temperature) in Kelvin
2. CRI (color rendering index)
3. SPD (spectral power distribution) - sample the light in 5 to 10 nm
intervals and provide the data as both a table with values an a chart
4. Lighting power (lumens or other unit)

Minolta has sold its camera division but continues to manufacture measuring
instruments. It sells a spectrophotometer that can do some of the
measurements above but the $ 25,000 price tag is prohibitive.

Do any of you know of a device that could make the measurements above and
for a cost that will not break the bank ?

Thank you in advance,

Joseph Chamberlain


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