Extech RF20 Portable Salinity Refractometer

All Extech Products
  • Features automatic temperature compensation from 10 to 30 degrees Celsius
  • Free carrying case and other necessary accessories
  • Simple focus adjustment feature for prism and lens
SKU
RF20
MPN
RF20

Read More

View All Refractometers

The Extech RF20: Portable Salinity Refractometer (0 to 100ppt) with ATC is used to measure the content of salt within different kinds of fluids. This device works in a really simple way – simply add two or three drops of the solution you are testing onto the correct part of the device and in under two minutes the salinity refractometer will give you information in regards to the content of salt. 

A plastic pipette is supplied with the Extech RF20: Portable Salinity Refractometer which allows transfer of fluids and application of fluid in small drops. It also comes with a calibration screwdriver and calibration solution to ensure that the device is always ready to perform reliable tests on salt. A carrying case allows you to travel with the device without risking damaging it when you are working on the field. 

The potable refractometer is also capable of simple focus adjustment for its prism and lens, making it easy to analyse your results and get the device to do precisely what you need it to do. 

This device has measurement range of 0 to 100ppt (10 to 30°C) with 1.000 to 1.070 refractive index, resolution of 0.001 and accuracy of ±0.1%.

Extech RF20 Portable Salinity Refractometer Key Features

  • Compact size, easy to operate
  • Automatic Temperature Compensation (ATC) from 10 to 30°C
  • Provides accurate and repeatable measurements on easy to read scale
  • Requires only 2 or 3 drops of solution
  • The prism and lens feature simple focus adjustment

Full List of Products Included

  • Extech RF20 Portable Salinity Refractometer
  • Case
  • Calibration Screwdriver
  • Calibration Solution
£76.60
£91.92 inc vat
Stock Due: Typically 1-2 Weeks
Important Notice
This item is made-to-order exclusively for you once your order is placed. As a result, it is not eligible for cancellation or return under our standard policy. Your statutory rights remain unaffected.
76 Reward Points 60 Days Return

Ask An Expert
Price Match
Technical Information
Specification

Extech RF20 Technical Specifications/Refractometer Comparison Chart

Extech stock a wide range of different refractometers for different purposes, so be sure to take a look at this comparison chart so you know exactly which model is right for your needs.

Model Type Ranges Resolution Accuracy
RF11 Sucrose (ATC) 0 to 10% (10 to 30°C) 0.1 ±0.1%
RF12 Lubricants/Cutting Fluids (ATC) 0 to 18% Brix (10 to 30°C) 0.2 ±0.2%
RF15 Sucrose (ATC) 0 to 32% Brix (10 to 30°C) 0.2 ±0.2%
RF20 Salt (ATC) 0 to 100ppt (10 to 30°C)
1.000 to 1.070 Refractive Index
0.001 ±0.1%
RF41 Coolant (ATC) -50 to 0°C Propylene Glycol freeze point
-50 to 0°C Ethylene Glycol freeze point
1.15 to 1.30 Specific Gravity of Battery Acid
1°C
1°C
0.01
±2%
±2%
Dimensions/Weight RF11: 7.5 x 1.6 x 1.2" (190 x 40 x 30mm)/ 6.5oz (185g)
RF12: 6.7 x 1.6 x 1.2" (170 x 40 x 30mm)/ 6.5oz (185g)
RF15: 6.6 x 1.6 x 1.2" (170 x 40 x 30mm)/ 7oz (200g)
RF20: 7.6 x 1.5 x 1.5" (194 x 38 x 38mm)/ 8oz (227g)
RF41: 6.2 x 1.6 x 1.2" (160 x 40 x 30mm)/ 6.3oz (180g)
Document Downloads
Extech RF20 Portable Salinity Refractometer (0 to 100ppt) with ATC Datasheet
Extech RF20 Portable Salinity Refractometer Datasheet Datasheet
Additional Information
SKU
RF20
Manufacturer Part Code
RF20
Country of Origin
China

Customer Reviews

 
Extech RF20 Portable Salinity Refractometer
£76.60
£91.92 inc vat
£76.60
£91.92 inc vat