Arduino and pyranometer (SP Lite 2) reading. Help!!!

Hello guys. I will create soon a project that reads from this pyranometer sensor "http://www.kippzonen.com/Product/9/SP-Lite2-Pyranometer#.WeUlx2hSyMo". The SP Lite 2.

I'm trying to read the solar irradiance. Andy of you know how to connect the wires and make the code? PLZ help

Wires:
Red +
Blue -
Black Ground

Same question here. Please do not cross post.