secured with fasteners such as screws clips or clamps or any other suitable fasteners furthermore the case 406 contains connecting wire 402 where connecting wire 402 connects various components of the solid state spectral radiometer 100 including cpu 101 coin cell battery 408 and several encapsulated three diode sensor sections 201 where a typical coin cell battery 408 operates between about one half volts u00bd v up to about 2 to 6 volts or more in exemplary embodiments lithium ion batteries exhibited about 3 7 v furthermore in exemplary embodiments more than one coin cell battery 408 is implemented into the solid state spectral radiometer 100 the several diodes 102 encapsulated as the three diode sensor section 201 components are situated in openings at different sides of the case 406 and are used to detect and measure the light intensity from different directions the case 406 including the lid 404 encasing the solid state spectral radiometer 100 of the instant invention has a minimal size and weight of approximately 6 cm u00d7 4 cm u00d7 2 5 cm weighing about 45 grams approximately corresponding to english units of measure in size and weight of a width ranging from about 2 inches up to about 3 inches a depth ranging from about 1 u00bd inches up to about 2 inches and a height ranging from about 3 inches up to about 5 inches and weighing about one tenth of a pound in additional exemplary embodiments.