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Extech RF20 Portable Brix Refractometer Salinity (Salt - ATC), 0 to 100ppt (10 to 30deg C)

Extech | Measurement and Testing Accessories

Extech RF20 Portable Brix Refractometer Salinity (Salt - ATC), 0 to 100ppt (10 to 30deg C)

MPN / Part No: RF20
Price updated: Sep 23, 2026

The Extech RF20 portable refractometer is a precise instrument for measuring Brix concentration and salt salinity with a range of 0 to 100ppt. This device is equipped with automatic temperature compensation (ATC) and is designed for high-accuracy applications in industrial and laboratory settings.

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Portable Brix and Salinity Refractometer Model RF20 by Extech is a precise and portable measuring tool designed to assess the concentration of soluble materials in liquids.

This device, capable of simultaneously measuring the percentage of Brix and salt salinity (0 to 100ppt), fully meets the needs of the food, agricultural, and quality control laboratory industries.

Equipped with an automatic temperature compensation (ATC) system with an operating temperature range of 10 to 30 degrees Celsius, this model ensures that measurement results are not affected by environmental temperature fluctuations, providing high accuracy.

The ergonomic design and durable body of the RF20 make it easy to use in industrial and field environments. This refractometer provides quick and clear readings, assisting engineers and technicians in ensuring the concentration of solutions in the shortest possible time.

This product is an ideal choice for controlling production processes, testing seawater samples, and measuring the quality of agricultural products.

Key Features of the Portable Brix and Salinity Refractometer Model RF20 by Extech

  • Accurate measurement of Brix percentage and salt salinity in the range of 0 to 100ppt
  • Equipped with an automatic temperature compensation (ATC) system for higher accuracy
  • Portable and lightweight design for field and laboratory use
  • Quick and easy readings with a clear display
  • Suitable for food, agriculture, and water quality control industries

Technical Specifications

Feature Value
Model RF20
Type of Device Brix and Salinity Refractometer
Salinity Measurement Range 0 to 100ppt
Operating Temperature Range 10 to 30 degrees Celsius
ATC Capability Yes (Automatic Temperature Compensation)
Main Application Food, Agriculture, Laboratory

Frequently Asked Questions

Is this refractometer suitable for measuring seawater salinity?

Yes, the RF20 model with a range of 0 to 100ppt is designed for accurate measurement of seawater salinity and other saline solutions, making it ideal for marine and laboratory applications.

Does it require periodic calibration?

Yes, like all precision measuring instruments, it is recommended that the RF20 refractometer be periodically calibrated using standard solutions to maintain its accuracy.

Does the device operate at ambient temperature without manual calibration?

Yes, this model features an automatic temperature compensation (ATC) system that neutralizes temperature effects in the range of 10 to 30 degrees Celsius, providing accurate results.

Conclusion

The RF20 Brix and Salinity Refractometer by Extech combines accuracy, portability, and advanced technology, effectively meeting industrial and laboratory needs.

Given its ATC capability and wide measurement range, this device is a reliable choice for engineers and technicians who require accurate and rapid results. For ensuring the quality of your products and processes, the RF20 is a superior option.

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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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