Laboratory turbidity meter, with tungsten bulb according to US-EPA 180.1, 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.