In order to measure turbidity_______________ is required.

• Camera

• Oxygen

• Microwave

• Light

Principles of turbidity measurement for CUS52D...

• Scattered NIR and Light absorption

• Scattered material and NER absorption

• Scattered light

• Light absorption and scattered particles

Reference standard solution used in factory for calibration?

• Monoethylene Glycol

• DI water

• Formazine

• Formaldehyde

Which sensor works with absorption principle

• CUS51D

• CUS52D

• CUS50D

• CUS31

CUS51D works with scattered light principle

• True

• False

CUS52D works with Scattered light and absorption?

• True

• False

CUS51D can be used for total dissolved solids

• True

• False

CUS52D can be used for Total suspended solids

• True

• False

Air bubble trap is required...

• ...When there is a fast response required

• ...for all turbidity measurements

• ...when there is a low measuring range

• ...when there is highly corrosive medium present

CUS51D has solid state references for verification

• True

• False