VELP Scientifica - UDK 149 Automatic Kjeldahl Distillation Unit

Manufactured by  VELP Scientifica
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Fully automatic Kjeldahl distillation unit, with external titrator connection, for your analyses concerning different applications.

Fully automatic Kjeldahl distillation unit, with external titrator connection, for your analyses concerning different applications such as determining ammoniacal nitrogen, protein determination, nitrogen content (Kjeldahl or direct alkaline distillation), nitric nitrogen (after reduction/Devarda), phenols, volatile acids, cyanides and alcohol content. 
UDK 149 offers an upgrade pathway to combine distillation and titration.
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Features of UDK 149 Automatic Kjeldahl Distillation Unit

Automated Operation  Programmable boric acid, water, sodium hydroxide addition and distillation time  Automatic processing in combination with a variety of titrators  Selectable steam generation output level 10% – 100%  Auto removal of residues from titrator & sample tube 

High Tech  3.5 inch color touch screen  Library of 20 customizable methods  Choice of 6 languages  Mouse & printer connections  No loss of nitrogen: distillate temperature stays below threshold  Accurate dosing of reagents with high precision pumps 

Versatile Data Handling  Powerful archiving features  Data exporting via USB to pen drive or PC in .xls format  Data manipulation software can be user preferred 

Outstanding Reliability  Maintenance-free, resistant, patented steam generator  Patented titanium condenser for unmatched performance  Durable technopolymer splash head  Chemically-resistant technopolymer housing 

Operator Safety  Lever operation simplifies tube insertion / removal (all sizes)  Protection screen for distillation chamber  Drip tray collects splashes Zero pressure steam generator 

Ecology & Standards  Performs to AOAC, EPA, DIN and ISO standards  Incorporates TEMS™ technology*  Automated water supply control reduces consumption 

Automatic Kjeldahl Distillation Unit 

The automatic Kjeldahl distillation unit UDK 149 operates automatically, after setting on the multi-function 3.5'' color touch screen water, boric acid and sodium hydroxide addition, distillation time and the steam generation output level between 10 and 100%. 

Different automatic titrator models can be connected to the automatic distillation unit UDK 149 for direct output of the final result and offering choice and versatility to the user. The high-precision pumps ensure constant accurate dosing of reagents. All the parameters concerning distillation and titration phases are easily programmable. 

Kjeldahl Distillation Units - TEMS™ Technology 

Time Saving - Fast and frequent analyses; no heating delay between runs  Energy Saving - Cooling water consumption starting from only 0.5 l/min; excellent insulation  Money Saving - Cost reduction is substantial, in line with reduced power consumption  Space Saving - The extremely compact footprint saves useful laboratory bench space 

Kjeldahl Distillation Units - Exclusive Titanium Condenser 

VELP Scientifica has developed and patented the innovative titanium condenser able to ensure high performance and considerable water savings (from 0.5 l/min).  The graph shows the high efficiency of the titanium condenser compared to the traditional glass one available on the market. The titanium condenser ensures that distillate temperature always remains below the safe threshold value (35 °C), as indicated in the Kjeldahl method. 

Kjeldahl Distillation Units - Maximum Flexibility 

The automatic Kjeldahl distillation unit UDK 149 can be connected to several models of external potentiometric titrators.  It enables the final result to be obtained directly, as it can easily be connected to different automatic titrator models. All the parameters of distillation and titration phases are stored in the method with the advantage of time saving.

General Specifications

There are no General Specifications available.

Additional Specifications

Structure: Corrosion-resistant technopolymer 
Display: 3.5" color touch screen 
Time related to start for Devarda alloy analysis: 0 – 99 min 
Protocol library: 20 customizable methods 
Reproducibility (RSD): ? 1 % 
Recovery: ? 99.5 % at nitrogen levels between 1 and 200 mg N 
Detection Limit: ? 0.1 mg N 
Power: 2100 W 
Weight: 27 kg / 59.5 lb 
Dimensions (WxHxD): 385x780x416 mm (15.2x30.7x16.4 in) 
Distillation time: 3 minutes to collect 100 ml of distillate 
Sodium hydroxide addition: automatic 
Water addition: automatic 
Boric acid addition: automatic 
Sodium hydroxide volume: 0 - 150 ml 
Water volume: 0 - 200 ml 
Boric acid volume: 0 - 100 ml 
Distillation time: settable 
Distillation residues removal: automatic 
Steam flow regulation: from 10 to 100 % 
Tap water consumption: from 0,5 l/min at 15 °C – from 1 l/min at 30 °C 
Connections: Ethernet, 2 x USB, RS232 and TTL for PC, printer, titrator, mouse, pen drive

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