Selectable scales of 0/4.000, 0/40.00, 0/400.0, 0/4000 NTU 0/10.00 0/100.0 0/1,000 0/10,000 mg/l of SiO2 FeaturesInput from preamplified sensorSelectable scales of 0/4.000, 0/40.00, 0/400.0, 0/4000 NTU 0/10.00 0/100.0 0/1,000 0/10,000 mg/l of SiO2 Check signal of dirty lensAlarm of Min/Max turbidity, set point timing, dirty lens, empty cell, too high external lightDual filter softwareVarious ...