A general definition of Turbidity is the decrease in the transparency of a liquid caused by the presence of un-dissolved substances (ISO/EN7027). The definition of Turbidity Measurement can explained as where Solids are so finely dispersed in the liquid that they do not significantly settle even when allowed to stand for a long period of time.

Multichannel controller, IP66, Panel, 4-20mA, 2x relay, 18-32V
P913-18
Multichannel controller, IP66, Panel, 4-20mA, 2x relay, 85-265V
P913-85
Multichannel controller, IP66, Surface Mount, 4-20mA, 2x relay, 18-32V
P915-18
Multichannel controller, IP66, Surface Mount, 4-20mA, 2x relay, 85-265V
P915-85
Turbidity meter,Handheld, White Light, 0-1100 NTU
QT20000
Turbidity meter, Handheld, Infrared Light, 0-1100 NTU
QT20008
Replacement Lamp Assembly for Infrared Light Models
QT21369S
Replacement Lamp Assembly For White Light Models
QT24082S
Turbidity MTOL+ meter infrared, 0-100 NTU
QT28052
Turbidity MTOL+ meter white light, 0-100 NTU
QT28053
Turbidity meter, MTOL+, Lab, White Light, 0-4000 NTU
QT28060
Turbidity meter, MTOL+, Lab, Infrared Light, 0-4000 NTU
QT28061
ProCal Calibration Kit 100 NTU, 125ml
QT39824
ProCal Calibration Standard, 10 NTU, 125 mL
QT39825
ProCal Calibratiion Kit, 0-4000NTU
QT39940
ProCal Calibration Kit, 0-4000 NTU
QT39941
ProCal Calibration Kit 0.02, 1 & 10 NTU
QT39950
ProCal Calibration Kit 0.02, 10 & 100 NTU
QT39953
ProCal Calibration Kit 0.02, 10 and 1000 NTU
QT39957