Hanna HI96804 Digital Refractometer for % Invert Sugar

Description

An Introduction to Digital Refractometry

The Hanna Instruments HI96804 is an advanced digital refractometer specifically engineered to measure the percentage of invert sugar by weight in aqueous solutions. As a rugged, portable, and water-resistant device, it represents the culmination of Hanna Instruments’ extensive experience in manufacturing high-quality analytical instruments. The core function of this device is to determine the sugar content of a solution by measuring its refractive index. This method is both efficient and simple, providing quick results. The HI96804 eliminates the common uncertainties and complexities associated with traditional mechanical refractometers, making it an ideal tool for both laboratory and field applications. Its design ensures portability and ease of use, allowing for accurate measurements wherever they are needed.

The instrument operates on a fundamental scientific principle: the measurement of a solution’s refractive index. The refractive index is an intrinsic optical characteristic of a substance that changes with the number of dissolved particles it contains. By converting this measurement to a percent by weight concentration, the HI96804 provides a reliable and precise sugar content reading. This process is made even more reliable by the instrument’s automatic temperature compensation (ATC) feature, which aligns with the methodology recommended by the ICUMSA Methods Book. This ensures that temperature variations do not compromise the accuracy of the readings. Additionally, the device is designed with a durable stainless steel ring and a flint glass prism, which are easy to clean, and it requires a minimum sample volume of just 100 μl, making it highly efficient.

The Science Behind the Measurement

The measurement of invert sugar concentration with the HI96804 is based on the principle of refractometry, which involves the determination of a solution’s refractive index. The refractive index is a measure of how light bends or changes direction as it passes from empty space into a substance. This optical property is directly related to the concentration of dissolved particles in the solution. The higher the sugar concentration, the greater the refractive index. The HI96804 leverages this relationship to provide accurate readings. A key concept in this process is the critical angle. When light passes from a medium with a higher refractive index to one with a lower refractive index, there is a specific angle—the critical angle—at which the light beam will no longer refract but will instead be totally reflected at the interface.

The HI96804 utilizes this principle by directing a yellow LED light through a prism that is in contact with the sample. An internal image sensor then detects the critical angle at which the light is no longer refracted through the sample. This critical angle is used to calculate the refractive index of the solution. Once the refractive index is determined, the instrument’s sophisticated software automatically applies temperature compensation and converts the value to a percent by weight invert sugar concentration. This automated process ensures that the measurements are not only fast—taking approximately 1.5 seconds—but also highly accurate, even in environments with fluctuating temperatures. The use of a simple, two-button operation makes the entire measurement process straightforward, from initial calibration with deionized or distilled water to the final reading.

Practical Applications for Various Industries

The Hanna HI96804 is an indispensable tool for a variety of industries that rely on accurate sugar content measurements. Its design for food sugar analysis makes it particularly valuable for producers of honey, jams, and other products where invert sugar is a key component. For beekeepers, the HI96804 is perfect for checking the quality and maturity of honey. By measuring the invert sugar content, they can ensure their product meets regulatory and quality standards. Similarly, jam manufacturers can use the refractometer to precisely control the sugar concentration during the cooking process, ensuring consistent taste, texture, and shelf life for their products. This level of precision helps in maintaining product quality and adhering to established recipes.

Beyond honey and jams, the HI96804 is also crucial for the manufacturing of other food items that use invert sugar, such as candies, baked goods, and syrups. In these applications, accurate sugar measurement is essential for process control and final product quality. For instance, in the production of soft drinks or confectionery, knowing the exact sugar concentration helps in maintaining flavor profiles and meeting nutritional labeling requirements. The instrument’s portability allows for quick quality checks on the production floor, reducing the time and cost associated with sending samples to a dedicated lab. Its rugged, water-resistant casing (IP65 rated) also makes it suitable for use in demanding field conditions or humid production environments, further expanding its utility across a range of applications.

Unmatched Accuracy with Automatic Temperature Compensation

One of the most significant features of the Hanna HI96804 is its ability to provide accurate readings through Automatic Temperature Compensation (ATC). The refractive index of a solution is highly dependent on its temperature, as temperature changes can affect the density of the solution. A variation of even a few degrees can lead to a significant error in the final sugar concentration reading if not properly accounted for. The HI96804 addresses this challenge with a built-in temperature sensor and sophisticated algorithms based on the ICUMSA Methods Book. This ensures that all measurements are automatically corrected to a standard temperature, providing reliable and reproducible results regardless of the ambient conditions. The ATC function operates effectively within a temperature range of 10.0 to 40.0 °C (50.0 to 104.0 °F). If the temperature of the sample falls outside this range, the ATC tag on the dual-level LCD will blink, alerting the user that the compensation is disabled.

The dual-level LCD is another key feature that enhances the user experience. It simultaneously displays the measurement value on the primary screen and the temperature of the sample on the secondary screen. This simultaneous display allows users to monitor the temperature and confirm that the reading is within the optimal ATC range. This feature is particularly useful in dynamic environments where temperature might fluctuate, as it gives the user immediate feedback and helps them ensure the validity of their measurements. The instrument also includes other helpful icons, such as a low power indicator, ensuring that the user is always aware of the device’s status. The combination of ATC and the clear display makes the HI96804 a trustworthy and efficient tool for any application requiring precise invert sugar measurements.

Streamlined Operation and Maintenance

The Hanna HI96804 is designed for simplicity and ease of use, from its calibration process to its general maintenance. The instrument features a straightforward one-point calibration with distilled or deionized water, which can be performed daily or as needed, such as after a battery replacement or a long series of measurements. This simple calibration procedure ensures that the refractometer remains highly accurate over time. The calibration is initiated by simply filling the stainless steel sample well with the ZERO standard and pressing the ZERO key. The device then calibrates itself, and the 0.0 reading remains on the display until the next sample is measured.

Maintaining the HI96804 is equally simple. The sample well, made of a durable stainless steel ring and a high-grade flint glass prism, is easy to clean. After each measurement, the sample can be gently absorbed with a soft tissue, and the well should be rinsed with distilled or deionized water before being wiped dry. It is crucial to use a soft tissue and avoid metallic tools that could scratch the delicate prism surface. The instrument’s IP65 enclosure rating signifies its high resistance to water and dust, allowing it to withstand rigorous use in laboratory or field conditions without compromising its internal components. This robust design, combined with features like an automatic shut-off after three minutes of non-use to conserve battery life, ensures the HI96804 is a durable and reliable investment.

Technical Superiority and Robust Design

The technical specifications of the Hanna HI96804 highlight its superior design and performance. The instrument boasts a wide measurement range for invert sugar content, from 0.0 to 85.0% mass (% w/w). This broad range makes it suitable for analyzing a diverse array of samples, from low-concentration solutions to highly concentrated ones. The device’s high resolution of 0.1% mass (% w/w) and its impressive accuracy of ±0.2% mass (% w/w) ensure that readings are not only consistent but also highly reliable for quality control and research purposes. In addition to measuring sugar content, the HI96804 also measures temperature, with a range of 0.0 to 80.0 °C and an accuracy of ±0.3 °C, further demonstrating its comprehensive functionality.

The HI96804’s physical construction is built for durability and ease of use. The casing is made of robust ABS material, which provides excellent protection. The compact dimensions of 192 x 102 x 69 mm and a mass of just 350 grams make it lightweight and highly portable. The device is powered by a standard 9V battery, which provides a long life of approximately 5000 readings before needing replacement. This long battery life, combined with the automatic shut-off feature, ensures that the instrument is ready for extended use in the field without frequent battery changes. The simple and intuitive design of the user interface, with its dual-level LCD and clear icons for low battery, ATC, and error messages, further contributes to its user-friendly nature, making it accessible to both professionals and students alike.

Why Choose the Hanna HI96804?

The Hanna HI96804 stands out in the market due to its combination of advanced technology, user-friendly design, and robust construction. Unlike traditional analog refractometers that require manual interpretation and are susceptible to human error, the HI96804 provides a clear digital readout, eliminating ambiguity. The device’s quick measurement time of just 1.5 seconds is a significant advantage, allowing for rapid analysis of multiple samples, which is essential in a fast-paced production or laboratory environment. Its reliance on ICUMSA methodology for temperature compensation guarantees that results are not just quick, but also scientifically sound and compliant with industry standards.

Furthermore, the instrument’s features, such as the small sample volume requirement of 100 μl and the use of a simple plastic pipette for sample application, reduce waste and make the process cleaner and more efficient. The IP65 water-resistant rating is another critical benefit, protecting the device from splashes and spills that are common in food and beverage settings. This level of protection ensures longevity and reliability. When considering all these features, the Hanna HI96804 is more than just a measurement tool; it is a comprehensive solution for accurate, reliable, and efficient invert sugar analysis. It provides the precision of a laboratory instrument with the convenience of a portable device.

Secure Your Purchase with Confidence

When you decide to invest in the Hanna HI96804 Digital Refractometer, it is essential to purchase from a reputable source to guarantee the authenticity and quality of the product. The online store tpt24 is recognized as the premier destination for this product globally. They offer a comprehensive package, including the instrument, a 9V battery, an instruction manual, a plastic pipette, and a quality certificate. This ensures that you have everything you need to get started right out of the box.

tpt24 stands behind the products they sell, delivering the HI96804 with a guarantee of authenticity and quality, no matter where you are located in the world. Their commitment to customer satisfaction and product integrity makes them the ideal choice for both professional and personal purchases. The two-year warranty on the HI96804, which covers defects in workmanship and materials, further adds to the confidence of your purchase. For a secure, reliable, and globally-backed purchase, choosing a trusted retailer like tpt24 ensures you receive a genuine Hanna product and the support you need for years to come.