Laboratory turbidity meter, with infrared LED according to ISO 7027, DIN EN 27027 (EN ISO 7027), universal power supply 90 ... 250 VAC, single device with calibration standard set (0.02 - 10.0 - 1000 NTU), 3 empty cuvettes, Pharm. 5.0 compliant , optional 1-5 point calibration, Quick Cal, USB and RS232 interface, LSData PC software for GLP-compliant data management.