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UDK 149 Automatic Kjeldahl Nitrogen Protein Analyzer

Automatic distillation for Kjeldahl protein determination, Non-Protein Nitrogen (NPN), volatiles and more. Connection to external potentiometric titrators for higher sample throughput, flexibility and premium precision.

 
UDK 149 F30200145
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Maximum flexibility, precision and versatility for your laboratory

Maximum flexibility, precision and versatility for your laboratory

The UDK 149 is designed for maximum versatility and reproducible results when determining Kjeldahl nitrogen TKN, proteins, ammoniacal nitrogen, nitric nitrogen (Devarda), TVBN, sulfites, phenols, volatile acids, cyanides, and alcohol content.

UDK 149 can be used in combination with several models of external potentiometric titrators for higher sample throughput and direct output of the final result.
  • Connection to various external titrators for automated processing and efficient operations  
  • Premium result accuracy and precision
  • Programmable boric acid, water, sodium hydroxide addition
  • Selectable steam generation output level 10% – 100%
  • Auto removal of residues from sample tube
  • Clear and intuitive operations thanks to the Smart User Interface and digital display
  • Maximum safety for the operator 
  • Unmatched flexibility with a wide accessory range 

 

Efficiency and precision with potentiometric titration

Efficiency and precision with potentiometric titration


The automatic Kjeldahl analyzer UDK 149 connected to the external potentiometric titrator guarantees versatility, accuracy and precision. 

The combination of the UDK 149 distiller with an external potentiometric titrator offers a very convenient automatization of the Kjeldahl method and enables the final result to be obtained directly with a considerable saving of time. 

Your benefits:

  • Potentiometric titration for high precision determination
  • Modular solution to adapt to changing needs 
  • Efficiency

Unrivalled technologies to support your laboratory - Titanium Condenser and Technopolymer Splash Head

Unrivalled technologies to support your laboratory - Titanium Condenser and Technopolymer Splash Head

The UDK 149 features the unique VELP patented titanium condenser designed for efficient thermal exchange and low water consumption. 

The distillate temperature is always kept below the Kjeldahl threshold value (35 °C), as indicated in the Kjeldahl method, without nitrogen loss.
  • Reduced water consumption
  • High resistance material with prolonged lifespan 
  • Reduced break risks during routine cleaning 
The exclusive VELP Technopolymer Splash Head incorporated in the UDK 149 is designed for high throughput providing state-of-the-art durability and resistance.
  • Chemical resistant materials 
  • Unmatched lifespan of up to 10,000 analyses 
  • Maintenance-free and no risk of breaking 

Reliability and safety for your lab

Reliability and safety for your lab

The UDK 149 is provided with the most complete set of safety features to ensure maximum operator safety. Sensors monitor tube in place, safety doors, reagent levels, cooling water flow-rate and more. 

The VELP Patented Steam Generator guarantees safe working conditions working without pressure:

  • Rapid pre-heating time
  • High performance and resistance
  • Maintenance-free
  • Works with deionized water

Intuitive software ensuring ease-of-use and data management at its best

Intuitive software ensuring ease-of-use and data management at its best

The bright 7" color touch screen and easy-to-use software 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 thanks to the user management feature.

  • 3 levels of authorizations and permissions according to GLP 
  • Onboard archive 
  • Distillation in series feature to speed up data entry
  • Data export in .xls, .txt, .csv and maximum compatibility for LIMS

The optional barcode technology simplifies distillation data management and results calculation.

Streamlined processes and enhanced service support with VELP Ermes Cloud Platform

Streamlined processes and enhanced service support with VELP Ermes Cloud Platform
UDK 149 features the unique connection option via Wi-Fi or LAN to VELP Ermes Cloud Platform, the Smart Lab solution allowing you to reduce routine operations thanks to the real-time monitoring of your Kjeldahl analysis wherever you are, at any time. 

Just by using a PC, a Smartphone or a Tablet you can manage multiple instruments, consumables, workflows, analysis data, and instrument working conditions.

Immediate event and alarm notifications inform you about analyses and the remote analysis interruption guarantees total control of your laboratory processes. 

Grant access to instruments and data only to specific people in your organization and decide whether you like to share information directly with VELP or with authorized service centers to benefit from a reduced diagnostic time and enhanced service support. 

Nitrogen determination at high throughput gets to a new level with VELP Ermes Cloud Platform.

TEMS™ Technology

TEMS™ Technology
UDK Series Kjeldahl distillation units work with the innovative TEMS™ benefits, for unmatched savings.


Time Saving: rapid heating reduces wasted time
Energy Saving: limited energy consumption thus cutting CO2 emissions
Money Saving: cost reduction for each analysis
Space Saving: the narrow footprint saves valuable laboratory bench space

Models

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Vreceiver™ boric acid with indicator sealed bags

Vreceiver™ boric acid with indicator sealed bags
VELP unique Vreceiver™ is a certified formula composed of Boric Acid powder and a mixture of indicators mentioned by AOAC methods (Bromocresol Green and Methyl red) allowing fast and standardized receiving solution preparation for colorimetric titration.

The receiving solution is prepared in a few minutes facilitating the day by day operations instead of the typical time consuming process using single reagents. The result is a reliable and standardized solution for colorimetric titration.

Barcode technology for smart operations

Barcode technology for smart operations
The optional barcode reader matched with the sample tubes with barcode (Code A00000144) simplifies distillation data management and result calculation.

The barcode on the tubes can be scanned in order to transfer the data automatically for an optimized analysis workflow.
  • Reduced risk of errors
  • Automated processes
  • Maximized efficiency

TECHNICAL DATA

Structure Corrosion-resistant technopolymer
Display 7" color touch screen
Analysis time 3 minutes for 100 ml of distillate
MEASURING RANGE 0.04 - 220 mg N
Reproducibility (RSD) ≤ 1 %
Recovery ≥ 99.5 %
Detection Limit (LOD) > 0.015 mg N
Sodium hydroxide addition Automatic
Water addition Automatic
Boric acid addition Automatic
DISTILLATION RESIDUES REMOVAL Automatic
TITRATION RESIDUES REMOVAL Automatic
TITRATION VESSEL CLEANING Automatic
SELECTABLE DISTILLATION TIME Yes
STEAM FLOW REGULATION 10 - 100 %
DELAY TIME (DEVARDA ALLOY ANALYSIS) 00 sec - 99 min 59 sec
DISTILLATION IN SERIES Yes
WATER CONSUMPTION From 0,5 L / min to 15°C
From 1 L / min to 30°C
LANGUAGE SELECTION Yes
PROTOCOL LIBRARY 20 customizable methods
USER MANAGEMENT Yes
ARCHIVE (ON-BOARD DATA STORAGE) Yes
CONNECTIVITY 2 x USB (balance, barcode scanner, mouse, printer, pen drive); Ethernet (Pc, Ermes); RS232 (external titrator)
POWER INPUT 2200 W
DIMENSIONS (WxHxD) 385x780x416 mm
15.2x30.7x16.4 in
WEIGHT 27 kg
59.5 lb
ERMES CONNECTION Yes, via Wi-Fi or LAN

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Application notes

Choose among a comprehensive library of Application Notes / White Papers and learn more on how to optimize the performance of your VELP instruments. These documents offer typical analyses of well-known samples, together with official references and suggestions, to make you an expert!

Certifications

Our compliance to statutory rules and regulations worldwide.
With the CE mark, VELP Scientifica declares that the products are designed and manufactured in compliance with the essential safety requirements of the European Directive on Safety.
The Certification Body (CB) Certificate is an international program created by the IECEE for the acceptance of product safety test results among participating laboratories and certification organizations around the world.
The cNEMKOus mark ensures this product is designed and manufactured in compliance with the International Directive on Safety IEC/EN 61010-1. The cNEMKOus mark has the same legal status as any other NRTL/SCC accredited marks, for U.S. and Canada.

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