WTW Calibration Kit for Turb PLUS 2000: Standards 0,02, 10,0 and 100 NTU, DIN EN ISO 7027/US EPA

Calibration kit for turbidity meters of the Turb PLUS 2000 series: standards 0.02, 10.0 and 100 NTU, cleaning cloths and marking rings, traceable to formazin according to DIN EN ISO 7027 (secondary standard) and US EPA (primary standard).