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EXTECH RF20 Portable Refractometer

This easy-to-use refractometer provides precise, reproducible measurements for sugar, salt, lubricants, antifreeze, and cutting fluids. Options with automatic temperature compensation ensure accurate results across various solutions. Requiring only 2 or 3 drops, its simple focus adjustment with a prism and lens delivers reliable repeatability. The kit includes a durable case, calibration screwdriver, and calibration solution, making it ideal for laboratory or field testing, ensuring consistent and accurate readings for diverse industrial and laboratory applications.

Authorized Distributors
Source:Newark
Part No:RF20
Stock:18
Inv Date:06-06-2026
Price: Unit price: $6.14
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Part No:RF20
Stock:50
Inv Date:06-06-2026
Price: Unit price: $5.66
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Part No:RF20
Stock:0
Inv Date:06-06-2026
Price: Unit price: $124
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Part No:RF-20
Stock:0
Inv Date:06-06-2026
Price: Unit price: $0.93
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Part No:RF20
Stock:0
Inv Date:06-06-2026
Price: Unit price: $68.71
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Source:DigiKey
Part No:RF-20
Stock:0
Inv Date:06-06-2026
Price: Unit price: $0.58645
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Source:DigiKey
Part No:RF20
Stock:0
Inv Date:06-06-2026
Price: Unit price: $124
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Source:DigiKey
Part No:RF20
Stock:0
Inv Date:06-06-2026
Price: Unit price: $28.979
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Source:DigiKey
Part No:RF20
Stock:18
Inv Date:06-06-2026
Price: Unit price: $5.67
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Authorized Distributors
Part No:RF20
Stock:410
Inv Date:06-06-2026
Price: Unit price: $5.9
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Part No:RF20
Stock:0
Inv Date:06-06-2026
Price: Unit price: $124
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Part No:RF20
Stock:0
Inv Date:06-06-2026
Price: Unit price: $67.55
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Part No:RF20
Stock:0
Inv Date:06-05-2026
Price: Unit price: $124
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Part No:RF20
Stock:0
Inv Date:06-06-2026
Price: Unit price: $5.6
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Part No:RF20
Stock:0
Inv Date:06-06-2026
Price: Unit price: $51.38
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Part No:RF20
Stock:0
Inv Date:06-06-2026
Price: Unit price: $145.88
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Part No:RF20
Stock:0
Inv Date:06-05-2026
Price: Unit price: $134
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Part No:RF20
Stock:0
Inv Date:06-06-2026
Price: Unit price: $5.6
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Authorized Distributors
Part No:RF20
Stock:0
Inv Date:06-06-2026
Price: Unit price: $51.38
Buy/RFQ:
Part No:RF20
Stock:0
Inv Date:06-06-2026
Price: Unit price: $145.88
Buy/RFQ:
Part No:RF20
Stock:0
Inv Date:06-05-2026
Price: Unit price: $111.7
Buy/RFQ:
Part No:RF-20
Stock:891
Inv Date:06-05-2026
Price: Unit price: $0.59012
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Part No:RF20
Stock:1
Inv Date:05-11-2026
Price: N/A
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Part No:RF20
Stock:1
Inv Date:06-05-2026
Price: N/A
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EXTECH RF20 Portable Refractometer Specifications:

  • Model ranges from 0 to 10% Brix, 0 to 18% Brix, 0 to 22% Brix, 0 to 32% Brix, and 0 to 100ppt for salt solutions
  • Resolution varies from 0.01 to 0.02 depending on model
  • Accuracy up to 20.2% Brix, 0.001 to 0.02 resolution
  • Dimensions approximately 66 x 40 x 30 mm (RFIO/RF15) or 7.5 x 40 x 30 mm (RFT1URF16)
  • Weight around 200 grams depending on model
  • Includes calibration screwdriver, calibration solutions, and protective case
  • Automatic temperature compensation models available for solutions between 10°C to 30°C
  • Suitable for measuring specific gravity, refractive index, and Brix or salinity levels
  • Operates efficiently with only 2-3 drops of sample, providing quick, accurate readings
  • Designed for laboratory, industrial, or field use, durable and easy to operate

Buy the Buy STI Advantage Portable Refractometers Part Number RF20 Online

Experience accurate and dependable measurements with the STI Advantage Portable Refractometer RF20. Its user-friendly design requires only 2-3 drops of sample and offers models with automatic temperature compensation. Perfect for testing sugar, salt, lubricants, antifreeze, and cutting fluids, its focus adjustment ensures repeatable results. The kit includes a sturdy case, calibration screwdriver, and solutions for quick setup. Whether in laboratories or field environments, this refractometer delivers consistent, precise readings for diverse industrial applications, ensuring optimal process control and quality assurance.

Get STI Advantage RF20 today—built for precision and long-lasting durability in sugar, salt, coolant, and lubricant testing.

Frequently Asked Questions

Where can I buy EXTECH RF20?

You can click on the BUY or RFQ button to purchase RF20 from an authorized EXTECH distributor.

How do I troubleshoot issues or seek technical support for part RF20?

You can download the RF20 datasheet or visit the EXTECH website for support.

Who is the manufacturer of RF20?

EXTECH

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