Fluke IRR2-BT Solar Irradiance Meter Pro, 50 to 1400 W/m2, 2.402 to 2.48 GHz - Fluke
Precise and easy-to-use, this solar irradiance meter allows you to make critical measurements for installing, testing, maintaining, and reporting solar panels or photovoltaic systems. In addition, it works wirelessly with the SMFT-1000 solar multifunction PV analyzer to instantly determine the I-V curve of panels under test.