The Planted Tank Forum - View Single Post - Convert Lux meter to PAR meter?
View Single Post
post #37 of (permalink) Old 06-18-2012, 09:42 PM
Planted Tank Guru
DarkCobra's Avatar
Join Date: Jun 2004
Location: Baton Rouge, LA
Posts: 3,349
Even if you can't find the dot, you can still identify the cathode by putting a voltmeter on it. The bare photodiode (with no filters) from mine produced 0.235V in room lighting during last night's test.
DarkCobra is offline  
For the best viewing experience please update your browser to Google Chrome