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Turbidity Testing with a Vernier LabQuest and Turbidity Sensor

Turbidity Testing with a Vernier LabQuest and Turbidity Sensor

Author: Dave Johnson
Description:

To learn how to use the Vernier Labquest Turbidity Sensor to measure the turbidity of freshwater or seawater samples and determine water quality.

Description

The Turbidity Sensor measures the turbidity of fresh-water or seawater samples in NTU (Nephelometric Turbidity Units, the standard unit used by most water collection agencies and organizations). Its small, sleek design and simple setup make it easy to use at the collection site or in the classroom.

In addition to water quality studies, it can also be used to monitor precipitate formation or algae and yeast populations in chemistry and biology classes. The Turbidity Sensor includes high-quality Hach StablCal™ 100 NTU standard for quick calibration and a high-grade glass cuvette for your water sample.

Specifications

  • Range: 0 to 200 NTU
  • Resolution: 0.25 NTU
    (LabQuest 2, LabQuest, LabQuest Mini, Go!Link, LabPro)
  • Standard: StablCal Formazin Standard 100 NTU
  • Accuracy:

    • ±2 NTU for readings under 25 NTU
    • ±5% of readings above 25 NTU
  • LED wavelength: 890 nm

 

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Tutorial

Calibrating and using the Vernier Labquest and Turbidity Sensor to test water

Vernier Turbidity Sensor Instructions

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