Extech RF40 Refractometer is an advanced and portable optical device specifically designed for measuring the freezing point of propylene glycol and ethylene glycol antifreezes.
Utilizing precise optical principles, this tool enables battery technicians, automotive mechanics, and cooling system engineers to quickly and reliably check the concentration of coolant.
Due to its simple and practical design, the RF40 model is regarded as a popular choice for preventive maintenance services and rapid troubleshooting in industrial and workshop environments.
One of the key benefits of this device is its elimination of the need for frequent calibration and its usability with ambient light, facilitating the measurement process under various working conditions.
This refractometer offers a wide measuring range for both types of glycol, providing high flexibility for the user and preventing errors caused by incorrect fluid selection.
The accuracy and speed of this device help prevent damage from freezing or overheating of engines and cooling systems.
Key Features of Extech Model RF40 Coolant Glycol Refractometer
- Freezing point measurement for propylene glycol in the range of -60°F to 32°F
- Freezing point measurement for ethylene glycol in the range of -60°F to 25°F
- Optical design requiring no battery or external light source
- Durable and portable body suitable for industrial environments
- Fast and accurate readings without complex calibration
Technical Specifications
| Feature | Value |
| Brand | Extech |
| Model | RF40 |
| Device Type | Refractometer |
| Main Application | Freezing point measurement of antifreeze |
| Propylene Glycol Range | -60°F to 32°F |
| Ethylene Glycol Range | -60°F to 25°F |
| Light Source | Ambient Light |
Frequently Asked Questions
Is this device suitable for measuring the concentration of other chemical liquids?
No, the RF40 refractometer is specifically calibrated for measuring the freezing point of propylene and ethylene glycol and is not recommended for other chemical liquids.
Is there a need for a battery or charger to operate this device?
No, this device is optical and requires ambient light to operate, with no need for batteries.
Does the Extech RF40 coolant glycol refractometer have user-calibratable features?
This device is designed so that it does not require frequent calibration, maintaining its accuracy over time.
Conclusion
The Extech RF40 refractometer is an essential tool for any technician or engineer working with cooling systems and batteries.
Providing accurate and quick freezing point measurements for various glycols, this device helps ensure the optimal performance of cooling systems and prevents damage from freezing.
Choosing this model is a smart investment for industrial and automotive maintenance due to its high durability and ease of use.
