VELP Scientifica - 139 Semi-Automatic Kjeldahl Distillation Unit

Manufactured by  VELP Scientifica
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Semi-automatic Kjeldahl distillation unit for your analyses concerning different applications.

Semi-automatic Kjeldahl distillation unit 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 139 combines excellent value-for-money with high reliability and advanced performance
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Features of 139 Semi-Automatic Kjeldahl Distillation Unit

Automated Operation  Programmable water, sodium hydroxide addition and distillation time  Selectable steam generation output level 10% – 100%  Auto removal of residues from sample tube 

High Tech  3.5 inch color touch screen  Library of 10 customizable methods  Choice of 6 languages  Mouse & printer USB connections  No loss of nitrogen: distillate temperature stays below threshold  Accurate dosing of reagents with high precision pumps 

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 

Semi-Automatic Kjeldahl Distillation Unit 

The semi-automatic Kjeldahl distillation unit UDK 139 runs automatically, after setting distillation time, sodium hydroxide and water addition and steam generation output level between 10 and 100% using the innovative 3.5'' color touch screen. The high-precision pumps ensure constant accurate dosing of reagents. 

The Kjeldahl distillation unit UDK 139 combines excellent value-for-money with high reliability and advanced performance. 

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.

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: 10 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: 26 kg / 57.3 lb 
Dimensions (WxHxD): 385x780x416 mm (15.2x30.7x16.4 in) 
Distillation time: 4 minutes to collect 100 ml of distillate 
Sodium hydroxide addition: automatic 
Water addition: automatic 
Sodium hydroxide volume: 0 - 150 ml 
Water volume: 0 - 200 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: 2 x USB for printer, mouse

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