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Extech TB400 Portable Turbidity Meter

Extech | Measurement and Testing Accessories

Extech TB400 Portable Turbidity Meter

MPN / Part No: TB400
Price updated: Sep 23, 2026

The Extech TB400 Portable Turbidity Meter is an accurate tool for measuring turbidity in water treatment units and industrial laboratories. This device features a two-point calibration capability and a measurement range of 0.00 to 1000 NTU, providing high precision for engineers and technicians.

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The Extech TB400 Portable Turbidity Meter is an advanced and reliable measuring instrument for determining the level of turbidity in liquid samples.

Utilizing nephelometric technology, this device accurately detects minor changes in water clarity and provides reliable results.

The ergonomic design and rugged body of this device make it an ideal choice for use in industrial environments, treatment plant sites, and quality control laboratories.

This turbidity meter supports two measurement ranges of 0.00 to 50 NTU and 50 to 1000 NTU, offering the necessary flexibility to measure various samples from very clear waters to turbid industrial waters.

The internal two-point calibration system ensures that the device consistently meets precise standards, minimizing measurement error.

These features make the TB400 a superior choice for environmental engineers, water treatment operators, and process control specialists.

Key Features of the Extech TB400 Portable Turbidity Meter

  • Measurement in two precise ranges: 0.00 to 50 NTU and 50 to 1000 NTU
  • Two-point calibration system for guaranteed high accuracy
  • Portable and lightweight design for on-site and laboratory use
  • Digital display with easy readability in various lighting conditions
  • Suitable for water and wastewater industries, treatment plants, and quality control laboratories

 

Technical Specifications

Feature Value
Brand Extech
Model TB400
Device Type Portable Turbidity Meter
Measurement Method Nephelometry
First Range 0.00 to 50 NTU
Second Range 50 to 1000 NTU
Measurement Unit NTU
Calibration Type Two-point

 

Frequently Asked Questions

Is this device suitable for measuring turbidity in industrial waters?

Yes, the TB400 model is fully suitable and accurate for measuring turbidity in industrial water and wastewater samples with higher suspended particles, given its measurement range up to 1000 NTU.

Is manual calibration possible with the Extech TB400 Portable Turbidity Meter?

Yes, this device supports a two-point calibration system that allows the user to adjust and optimize the device's accuracy using reference standards.

What is the main difference between this model and other turbidity meters?

The main difference of the TB400 model lies in its ability to measure in two wide ranges and its two-point calibration which facilitates coverage of a broad spectrum of samples, from very clear to turbid, with high precision.

 

Conclusion

The Extech TB400 Portable Turbidity Meter combines accuracy, efficiency, and portability to meet the precise turbidity measurement needs in industrial and laboratory environments.

With its two-point calibration capability and wide measurement range, this device is an essential tool for ensuring water quality and monitoring treatment processes. It is recommended for organizations seeking accurate and reliable results in turbidity control.

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Extech

Extech

United States

Extech is one of the most reputable international brands in the field of test and measurement equipm...

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