Key facts
- Brand
- EXTECH
- Model
- RF18
- Industry
- Industrial
- Documents
- 2
- Languages
- EN
- Last added
- 2012-08-01
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Extech RF18 Brix Refractometer User's Guide
This document is the User's Guide for the Extech RF18 Brix Refractometer, a precision optical instrument used to measure the refractive index of a sample and display the result in % Brix. The guide provides instructions on handling the device gently to ensure reliable service.
The manual details the operational procedures, including how to perform a zero adjustment using distilled water and how to prepare samples for reading. It also explains the importance of temperature compensation, providing a table to manually correct readings if the sample temperature deviates from the standard 20°C.
EXTECH RF18 specifications
| Range | 0 to 18% Brix |
|---|---|
| Resolution | 0.1% |
| Dimensions | 1.2 x 1.6 x 6.7" (30 x 40 x 170mm) |
| Weight | 3.2 oz. (91g) |
All EXTECH RF18 documents by type
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in these manuals
What is the standard temperature for the RF18 Refractometer?
The RF18 Refractometer has been designed for use with a 20°C standard temperature.
How often should the refractometer be zeroed if the sample temperature fluctuates?
If the temperature of the samples fluctuates, you should zero the refractometer every 30 minutes.
Does the RF series include Automatic Temperature Compensation?
Yes, some models are available with or without Automatic Temperature Compensation.
What is included in the standard package?
The unit comes complete with a case, calibration screwdriver, and calibration solution.