myMectronic
myMectronic

A Premier B2B Part Search

EXTECH TB400 Turbidity Meter

The Extech TB400 is a portable turbidimeter designed for rapid and accurate measurement of water clarity in field conditions. Capable of measuring up to 1000 NTU with a 0.01 NTU resolution, it features microprocessor-based circuitry ensuring high precision and repeatable results. The device requires only a 10mL sample and includes 2-point calibration, data hold, and min/max recall functions. Its splash-proof front panel, compact dimensions, and battery operation make it ideal for on-site testing of municipal water, beverages, and other aqueous solutions. Complete with standard solutions, test bottles, cloth, batteries, and a carrying case, the TB400 offers reliable performance for environmental testing professionals.

Authorized Distributors
Source:Newark
Part No:TB400
Stock:6
Inv Date:06-05-2026
Price: Unit price: $1003.24
Buy/RFQ:
Source:DigiKey
Part No:TB-400+
Stock:0
Inv Date:06-05-2026
Price: Unit price: $106.24
Buy/RFQ:
Source:DigiKey
Part No:TB400
Stock:0
Inv Date:06-05-2026
Price: Unit price: $749
Buy/RFQ:
Part No:TB400
Stock:0
Inv Date:06-06-2026
Price: Unit price: $749
Buy/RFQ:
Part No:TB-400+
Stock:1
Inv Date:06-06-2026
Price: Unit price: $86.99
Buy/RFQ:
Part No:TB400
Stock:0
Inv Date:06-06-2026
Price: N/A
Buy/RFQ:
Part No:TB400
Stock:0
Inv Date:06-05-2026
Price: Unit price: $749
Buy/RFQ:
Part No:TB400
Stock:1
Inv Date:06-05-2026
Price: Unit price: $639
Buy/RFQ:
Part No:TB400
Stock:0
Inv Date:06-05-2026
Price: Unit price: $749
Buy/RFQ:
Authorized Distributors
Part No:TB400
Stock:5
Inv Date:06-05-2026
Price: N/A
Buy/RFQ:
Part No:TB400
Stock:0
Inv Date:06-05-2026
Price: Unit price: $749
Buy/RFQ:
Part No:TB400
Stock:0
Inv Date:06-05-2026
Price: Unit price: $639
Buy/RFQ:
Part No:TB400
Stock:0
Inv Date:06-05-2026
Price: Unit price: $749
Buy/RFQ:
Part No:TB400
Stock:1
Inv Date:06-05-2026
Price: N/A
Buy/RFQ:

EXTECH TB400 Turbidity Meter Specifications:

  • Range: 0.00 to 50.00 NTU, 50 to 1000 NTU
  • Resolution: 0.01 NTU
  • Accuracy: ±5% FS or +0.5 NTU
  • Light source: LED, 850nm
  • Standard: Meets ISO 7027
  • Response time: <10 seconds
  • Dimensions: 6.1 x 3.0 x 2.4 inches
  • Weight: 11.3 ounces
  • Power: Battery operated (six AAA batteries)
  • Features: Data hold, Min/Max record/recall, auto power off
  • Splash-proof front panel for field durability

Buy the Extech Series TB400 Turbidity Meter: TB400

Order the Extech TB400 turbidity meter online today for fast, accurate water clarity testing in municipal, food, beverage, and environmental applications. Its portable and rugged design ensures reliable field measurements, featuring a resolution of 0.01 NTU up to 1000 NTU. With easy calibration, data hold, and min/max recording, it simplifies monitoring. Complete with standard solutions, test bottles, and a carry case, it’s the perfect choice for professionals needing precise, on-site turbidity analysis with durable, user-friendly features.

Get Extech TB400 today—built for precise water quality measurement and reliable field performance.

Frequently Asked Questions

Where can I buy EXTECH TB400?

You can click on the BUY or RFQ button to purchase TB400 from an authorized EXTECH distributor.

How do I troubleshoot issues or seek technical support for part TB400?

You can download the TB400 datasheet or visit the EXTECH website for support.

Who is the manufacturer of TB400?

EXTECH

EXTECH Part List

Browse and search other EXTECH parts, locate datasheets and stock

Sponsored by