Photometer for several parameters, with two different wavelengths, with high-quality interference filters and long-term stable LEDs as light source, without moving parts, transparent sample chamber, automatic selection of the wavelength, easy operation due to fixed sequence of the methods and display of the last used method, storage capacity for zero calibration, language neutral operator guidance, infrared interface for transmission of data to a PC (in connection with optional DIT-IR), waterproof enclosure, acid and solvent resistant keypad, user calibration allowing application as a test unit, long-term stable reagent tables with a guaranteed minimum durability of 5 or 10 years. Photometer DIT-L complete in a case, including 4 batteries, 3 vials (diameter 24 mm), a cleaning brush and a starter kit of reagents (ready to use for your first measurements with all available methods). Please order the required reagents separately.