>duh.....Sensirion also makes those,

Oh, do they, I can find only humidity and temperature sensors on their site. 
Do you have a reference? Looking for alternatives before I commit to 
designing the LEM ones in. 

-- 
http://www.piclist.com PIC/SX FAQ & list archive
View/change your membership options at
http://mailman.mit.edu/mailman/listinfo/piclist