Extech TB400 Portable Turbidity Meter

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Extech TB400 Portable Turbidity Meter offers an efficient and reliable solution for turbidity measurement across a range of applications. With its precision, versatility, and user-friendly design, the TB400 empowers users to gather accurate data for making informed decisions about water quality, environmental health, and regulatory compliance. Its durability, data storage capabilities, and ease of use make it an essential tool for professionals across industries that require turbidity analysis

Applications: Environmental Monitoring, Research, Industrial Process Control, Quality Control, Agriculture and Irrigation, Municipal and Governmental Agencies, Water Treatment and Quality Monitoring, etc.

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Extech TB400 Portable Turbidity Meter is a cutting-edge instrument designed for accurate and convenient turbidity measurement across various applications. Whether you’re monitoring water quality, conducting environmental assessments, or ensuring compliance with regulatory standards

Features of Extech Portable Turbidity Meter:

  • Auto Power off
  • 2-point calibration
  • Battery operated for field and on-site testing
  • Data Hold and Min/Max record/recall
  • Requires only a 10mL sample size
  • Microprocessor-based circuitry assures high accuracy and repeatable readings

Additional information



Model No


Measuring Parameters


Measuring and Control Range

0.00 to 50.00 NTU, 50 to 1000 NTU (Nephelometric Turbidity Unit)


0.01 NTU


±5% FS or ±0.5 NTU, whichever is greater

Light source

LED, 850nm


Designed to meet ISO 7027

Response Time

<10 seconds


155 x 76 x 62mm


320 g

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Portable Turbidity Meter

Extech TB400 Portable Turbidity Meter