DR/ 890 Portable Colorimeter from Hach
Standard Features of the DR/ 800 Portable Colorimeter Series:
Three models ( 20, 50, or 90 methods) with automatic wavelength selection
Preprogrammed: ready-to-use out of the box
Compact: true hand-held analysis, for use anywhere
Rugged: dustproof, waterproof, shockproof, worry-free ( designed