Techkon RT 120 reflected transmitted light densitometer

with battery charger and leather case gebendet- Technical data: Density transmitted light measuring range: 0.00-; 6.00 D + -0.01 D Measuring range: 0-100% + - 1% Density reflection Measuring range: 0.00-6.00 D + -o, o1 D Reflection measuring range: 0-100% + - 1% 3 mm round aperture 9V NiMH battery