Automatic ABBE Digital Refractometer (Touch Screen)Model: LI – R502


Automatic ABBE Digital Refractometer (Touch Screen) as the sophisticated globetrotter of the scientific instrument world, seamlessly adapting to the diverse landscapes of Nigeria, Vietnam, Indonesia, Turkey, Brazil, Zimbabwe, Sri Lanka, Syria, Iran, Iraq, Ghana, Colombia, Philippines, Italy, Yemen, Peru, Uganda, and Israel. Across these diverse nations, the Automatic ABBE Digital Refractometer (Touch Screen) emerges not just as a scientific instrument but as a companion, seamlessly integrating into the fabric of each country’s industrial landscape, contributing to advancements in research, quality control, and innovation.



An Automatic ABBE Digital Refractometer (Touch Screen) is an advanced analytical instrument used to measure the refractive index of liquids, semi-liquids, and solids. The refractive index is a key property indicating how light propagates through a substance, providing essential data for quality control, research, and development in various industries such as pharmaceuticals, food and beverages, chemicals, and more.

Key Features and Description :

Touch Screen Interface:

  • User-Friendly Operation: The touch screen interface allows for easy navigation through menus and settings. It simplifies the operation process, making it accessible even for users with minimal training.
  • Enhanced Display: A large, high-resolution screen provides clear visibility of readings and settings, reducing the chances of errors and improving user experience.

Automatic Measurement:

  • Precision and Accuracy: The automatic feature ensures consistent and accurate measurements by minimizing human error. The device typically uses high-quality optics and sensors to provide precise refractive index readings.
  • Speed: Automated processes significantly speed up measurement times compared to manual methods, enhancing productivity and efficiency in laboratory environments.

Built-in Temperature Control:

  • Thermostatic Regulation: Many models come with integrated temperature control to maintain a constant sample temperature during measurements. This is crucial because the refractive index can vary with temperature.
  • Temperature Compensation: The device can automatically compensate for temperature variations, providing accurate readings under different environmental conditions.

Data Storage and Connectivity:

  • Internal Memory: The refractometer often includes built-in memory for storing measurement data, allowing for easy retrieval and analysis.
  • Connectivity Options: USB, Ethernet, and other connectivity options enable data transfer to computers or networks for further processing and record-keeping. Some models may also offer wireless connectivity.

Sample Versatility:

  • Wide Range of Applications: The device is suitable for various sample types, including liquids, gels, and transparent solids. This versatility makes it valuable across multiple industries.
  • Easy Sample Loading: The design typically allows for straightforward sample placement and cleaning, facilitating quick changes between different substances.

Calibration and Maintenance:

  • Automated Calibration: The refractometer can perform automatic calibration using standard solutions, ensuring consistent accuracy without extensive manual intervention.
  • Low Maintenance: High-quality components and robust design contribute to low maintenance requirements, reducing downtime and operational costs.

Typical Applications:

  • Pharmaceuticals: Ensuring the purity and concentration of substances.
  • Food and Beverage: Measuring sugar content (Brix) and ensuring product consistency.
  • Chemicals and Petrochemicals: Determining the concentration of various solutions.
  • Quality Control: Verifying the compliance of products with industry standards.

Technical Specification


Model  LI-R502
Measuring range  Refractive index nD: 1.30000-1.70000

Brix (BX): 0-100%

Measuring accuracy Refractive index nD: ± 0.0002
Dissolved solids Brix: ± 0.1%
Measuring resolution Refractive index nD: ± 0.00001
Dissolved solids Brix: ± 0.01%
Temperature Temperature display range: 0-90°C
Interface RS232/USB
Display 7-inch color touchscreen
Overall dimensions 500mm x 330mm x 220mm



Fully automatic measuring system
Touch Screen display.
Measure the Brix of the sugar solution
Display the temperature of sample
Correct effect of temperature on the Brix automatically
Memory upto 1024 results
Reading Time 2 seconds.
Calibration password protected
Easy clean prism & Simple operation
User can set the Scan times, Type, Revise, Sample ID, Calender



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