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Extech RF20 Portable Salinity Refractometer
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
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) |
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Additional Information
| SKU | RF20 |
|---|---|
| Manufacturer Part Code | RF20 |
| Country of Origin | China |
