Laser Point PD-500-D9-VIS Photodiode recommended for Hubner, Cobolt, PowerTechnology, CNI, under 500mW

Silicon Photodiode Head (only for use in association with  4Pi  and PLUS.2 meters ).
Wavelength Detectioan Range:  400nm-1100nm
Power Detection Range 1mW to 500mW
Light Duty Stand Included