EXTECH UV505 Pocket UV-AB Light Meter

Measuring Ranges 
Range: 1 to 3999 μW/cm²
Max Resolution : 1 μW/cm²
Basic Accuracy: ±5%FS

Range: 0.01 to 40 mW/cm²
Max Resolution : 0.01 mW/cm²
Basic Accuracy: ±5%FS

Dimensions: 5.2 x 1.9 x 1" (133 x 48 x 23mm)
Weight : 3.2oz (90g)

Datasheet

Manual