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UDK 139 Semi-Automatic Kjeldahl Distillation Units

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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:

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

*Saving Time, Energy, Money & Space

General Features
StructureCorrosion-resistant technopolymer
Display3.5" color touch screen
Time related to start for Devarda alloy analysis0 – 99 min
Protocol library10 customizable methods
Reproducibility (RSD)<= 1 %
Recovery>= 99.5 % at nitrogen levels between 1 and 200 mg N
Detection Limit>= 0.1 mg N
Power2100 W
Weight26 kg / 57.3 lb
Dimensions15.2x30.7x16.4 in
Distillation time4 minutes to collect 100 ml of distillate
Sodium hydroxide additionautomatic
Water additionautomatic
Sodium hydroxide volume0 - 150ml
Water volume0 - 200ml
Distillation timesettable
Distillation residues removalautomatic
Steam flow regulationfrom 10 to 100%
Tap water consumptionfrom 0.5 l/min at 15°C – from 1 l/min at 30°C
Connections2 x USB for printer, mouse

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UDK 139 Semi-Automatic Kjeldahl Distillation Unit, 230V/50-60Hz
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