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Discover the new VELP Distillation Units, engineered to guarantee premium reliability, accuracy, and safety with superior ease-of-use meeting all laboratory requirements. 

Dynamism, innovation, attention to detail, sustainability, and infinite passion: the values that VELP believes in. These are the values that have been guiding VELP for more than 35 years to broaden our know-how and deliver innovative, top-performing solutions to fulfill multiple laboratory needs.

Our mission is to design and manufacture new solutions and to continuously improve the existing ones, as for the new UDK Distillation Units, which have been re-engineered and re-designed to provide improved performance and the ultimate user experience.

Discover the 6 reasons why choosing the new VELP UDK Distillation Units for your Kjeldahl nitrogen analysis, TKN, proteins, ammoniacal nitrogen, nitric nitrogen (Devarda), TVBN, sulfites, phenols, volatile acids, cyanides, and alcohol content.

1. Resistance and reliability with the exclusive VELP technologies

A major step forward in reliability and durability, all the internal elements of the new UDK Distillers have been subjected to development, improving their performance.

All the models of the new UDK Series feature the VELP patented Titanium Condenser designed for the most efficient thermal exchange and low water consumption.

The exclusive and brand-new Technopolymer Splash Head is designed for premium resistance and maximized uptime as it can withstand up to 10,000 analyses before being serviced

2. A new and intuitive interface ensuring ease-of-use and data management at its best

The new UDK Distillers, starting with UDK 139, feature a new smart user interface and easy-to-use software that guide the operator step-by-step and provide fast feedback when setting the parameters and checking the analysis results.

Grant access to instruments and data only to specific people in your organization with the user management feature, in compliance with GLP and ISO.

3. Excellent precision and accuracy

The UDK Series technology ensures maximum application versatility providing unmatched accuracy and precision even for challenging samples containing a low amount of Nitrogen. With a limit of detection (LOD) of 0.015 mgN and a limit of quantification (LOQ) of 0.04 mgN the UDK Series is your perfect match!

The automatic Kjeldahl analyzer UDK 159 and 169 are supplied with an integrated colorimetric titrator that guarantees premium accuracy, precision, and a long lifespan.
  • Completely automatic procedure
  • Calibration-free
  • Maintenance-free
  • Real-time graph displayed on the instrument to monitor the titration

4. Compliance to 21 CFR part 11

The Kjeldahl analysis is a primary method for the determination of Nitrogen in Quality Control, especially in pharmaceutical laboratories.

Most companies are required to comply with Regulations such as the FDA's Code of Federal Regulations Title 21 Part 11 that defines the requirements for using electronic records and electronic signatures on computerized systems.

The integrity, reliability, and trustworthiness of electronic records must be fulfilled as for 21 CFR Part 11 basic requirements. 

VELP new UDK 159 and 169 guarantee full compliance to 21 CFR part 11 thanks to the optional software package upgrade.

5. Efficiency in the lab with the connectivity option to VELP Ermes Cloud Platform

The new distillation units starting with UDK 139 feature the exclusive connection option to VELP Ermes Cloud Platform, the Smart Lab solution that enables streamlined routine operations and efficient support. 
  • Premium service and analytical support via remote analysis and troubleshooting
  • Real-time remote control of the instrument and access to the database
  • Software upgrades
  • Event and alarms notifications

6. New accessories for smart operations

Several accessories are available to configure the UDK distillation units based on your most diverse analytical and laboratory requirements. New Acid pump kits are available for the determination of alcohol, volatile acids and phenols.

The optional barcode reader matched with the new sample tubes with barcode simplifies distillation data management and result calculation.
  • Reduced risk of errors
  • Automated processes
  • Maximized efficiency

Explore the full range of solutions

All the models at a glance with the new UDK series table! Download the brochure and browse the product pages to uncover all the benefits that the new VELP UDK Distillation Units offer for your analyses and laboratory life.
  UDK 129 UDK 139 UDK 149 UDK 159 UDK 169
  UDK 129 UDK 139 UDK 149 UDK 159 UDK 169

Automatic NaOH addition

Automatic H2O addition  

Automatic H3BO3 addition    

Distillation residues removal  

Steam flow regulation

Titration     External Potentiometric Titrator Integrated Colorimetric Titrator Integrated Colorimetric Titrator

Users' management with permissions  

Ermes connectivity  

21 CFR part 11 compliance      

Barcode reader technology    

Balance connection    

Autosampler connection        
  External Potentiometric; External Potentiometric; External Potentiometric; External Potentiometric; External Potentiometric;
Discover more about our new Distillation Units
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