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Subject: New Sentia TA Algorithm – Software Update Release Notification

We’re pleased to inform you of an important update to the Sentia Titratable Acidity (TA) Test, which will be included in the next software release: version 2.3.1.555.

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Key Updates and Enhancements:

1. Mandatory Dilution Step Introduced

To improve accuracy and repeatability, the new TA algorithm now requires a dilution step — following the same procedure as the Acetic Acid test.

➡️ Mix 1 part wine/juice (100 µL) with 3 parts distilled or deionized water (300 µL).

2. Degas Step Now Optional

Degassing is no longer mandatory. It is now recommended only if the sample shows visible effervescence or is known to contain very high levels of dissolved CO₂.

3. Algorithm Upgrade for More Reliable Results

The previous machine-learning algorithm has been replaced with an electrochemical algorithm that uses known calibration curves, mathematical formulas, and signal processing rules. This change enhances accuracy and consistency across a wider range of wine and juice samples — even under variable conditions.

4. Software Update Required to Run the TA Test

Customers must update to this new software to continue using the TA test.

➡️ Previous versions will no longer be supported and attempts to run the test on outdated software will trigger a “30-05 Calibration Data Not Found” error.

5. Existing Test Strips Remain Compatible

There is no need to replace current TA strip inventory — all existing stock in the field is fully compatible with the new algorithm and software version.

6. Expanded Sample Compatibility

The updated TA test is now validated for both wine and juice, expanding its utility and improving decision-making earlier in the winemaking process.

Why Introduce a Dilution Step?

We recognize that this step adds a small change to the workflow, but it has been carefully designed to reduce variability and improve accuracy across most wine varietals.

Why it’s beneficial:

The dilution brings the sample’s pH levels to a consistent level regardless of the original wine pH. This helps ensure more stable chemical reactions and reproducible results. This translates to higher confidence in your readings — across all wine styles and vintages.

Bonus benefit:

The same step unlocks reliable testing for juice, supporting winemakers at earlier stages of production with meaningful, actionable data.

It’s a simple adjustment that delivers a big leap forward in performance and flexibility.

Figure: Correlation data for red wine samples (n=25): Sentia vs. Metrohm Autotitrator – comparing diluted samples (orange) with undiluted samples (blue).

We trust this information will help you confidently guide your customers through the transition. If you have any questions or require additional support materials, please don’t hesitate to reach out.

We’re proud to share that Chathu Abeyrathne (R&D Manager) and Miaosi Li (Senior Scientist) are representing Universal Biosensors (UBI) at the 35th Anniversary World Congress on Biosensors this week!
On Tuesday, they presented a poster on our newest innovation:
🔬 Electrochemical Sensor for Environmental Monitoring
This technology powers AQUASCOUT™ – a handheld analyzer for detecting lead and copper in tap water down to 5 parts per billion (ppb) — delivering results in just minutes. A major step forward in accessible, real-time water quality testing across the globe.
At UBI, we’ve enabled over 10 billion electrochemical tests across medical, veterinary, and wine diagnostics. Now, we’re bringing that trusted science to the environmental space — helping protect the most vital resource of all: clean, safe drinking water.
🌊 AQUASCOUT™ gives field operators, households, and communities the power to verify water purity on the spot — without the delay or cost of lab-based testing.
We’re incredibly proud to see our team showcasing world-class innovation on the global stage. 🌍💧
👉 Learn more at www.aquascout.com.au

Ensuring Quality & Reliability: Malic Buffer Update for Sentia Users

At Sentia, we are committed to delivering the highest standards in wine analysis. Following recent quality surveillance stability testing, we have identified a decrease in the stability of the malic acid buffer, leading us to temporarily adjust its shelf life from 15 months to 9 months from the date of manufacture.

What This Means for You

✅ If your malic acid buffer (Lot Numbers: 408050, 408051, 408052, 408053) has exceeded the updated 9-month shelf life, it may no longer be suitable for use.
✅ Impacted? We’ve got you covered! We will arrange a free replacement to ensure uninterrupted testing.

What We’re Doing

🔹 Website Updates – The revised shelf life is now reflected on our Sentia website.
🔹 Seamless Replacements – If your buffer is affected, we’ll initiate a smooth, hassle-free replacement process.
🔹 Future Improvements – Our team is working towards restoring the buffer’s shelf life to at least 12 months in future batches.

We understand this may raise questions, and our team is here to support you. If you need assistance or have further inquiries, please don’t hesitate to contact us.

Your Feedback Drives Innovation

We are committed to working closely with winemakers worldwide to provide solutions that match the ever-evolving nature of wine chemistry. Your insights help us refine and improve Sentia’s technology to better serve your needs.

📢 We’d love to hear from you! Have you tried the latest update? Let us know what you think and how it’s helping your winemaking process.

Stay connected and keep innovating!

🔗 Learn more or contact us here

At Sentia, we are thrilled to announce that our revolutionary wine analyzer has won the Gold Award for Innovation at the Winzer-Service Fair 2025 in Karlsruhe, Germany. This prestigious recognition reaffirms our commitment to transforming the winemaking process with cutting-edge technology that brings laboratory-grade testing directly to the hands of winemakers.

Revolutionizing Wine Testing: Sentia’s Impact

For years, winemakers have relied on external laboratories to test their wines—an often time-consuming and costly process. Sentia changes that. Our handheld wine analyzer allows winemakers to test their samples instantly, providing accurate results within minutes. This means no more waiting, no more unnecessary costs, and full control over the winemaking process—all from the convenience of a pocket-sized device.

Winning Gold at Winzer-Service Fair 2025 is a testament to the dedication and relentless effort of our team. We have worked tirelessly to ensure Sentia is not just a product, but a game-changer for wineries around the world. This award signals to the industry that Sentia is unique, innovative, and of the highest quality, offering wineries real value in their quest for precision and efficiency.

A Milestone in Winemaking Innovation

The Winzer-Service Fair is a premier trade event for the viticulture, winemaking, and agricultural sectors. With over 2,000 industry professionals in attendance, the fair serves as a platform to showcase the latest advancements in winemaking technology. It features a diverse range of exhibitors presenting innovations in machinery, crop protection, irrigation, and winemaking processes.

Our success at this fair underscores Sentia’s role in reshaping how wineries operate, making it easier than ever to achieve consistent quality and precision in winemaking. The ability to test on-site gives winemakers a competitive edge, ensuring their wines meet exacting standards without the hassle of third-party lab testing.

Connect with Our European Representative

For more details or to explore how Sentia can enhance your winery’s testing capabilities, reach out to our European representative:

Dezso Baranya
Email: dbaranya@universalbiosensors.com