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HomeEnvironmentalKjeldahl Nitrogen AnalysisKjeldahl Distillation Units UDK 169 Automatic Kjeldahl Analyzer with AutoKjel Autosampler
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UDK 169 Automatic Kjeldahl Analyzer with AutoKjel Autosampler

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Fully automatic Kjeldahl Analyzer (Distillation unit + integrated colorimetric titrator) with connection to autosampler, for high sample throughput, maximum flexibility and unattended operation.

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SKU: VP-S30200160 Categories: Environmental, Food & Agriculture, Kjeldahl Distillation Units, Kjeldahl Distillation Units Tags: Enzymatic Digester, GDE Digester, GDE Enzymatic, Velp
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  • Specification
  • Accesories
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Description

Fully Automated Analysis

The completely automatic Kjeldahl distillation and titration system offer great performance and the maximum in terms of safety for the user.

Automatic addition of all the reagents involved with low level warning, simplifies the routine activity whilst the possibility to set the steam output from 10% to 100% enlarges the application range of UDK 169. Automatically the unit will perform distillation and titration.

The possibility to set the steam output from 10% to 100% makes the instrument highly recommended for a wide range of applications, including the most specific, which require special parameters. UDK 169 is ideal for reliable determination of ammoniacal nitrogen, protein nitrogen (Kjeldahl), nitric nitrogen (after reduction/devarda), phenols, volatile acids, cyanides and alcohol content.

At the end of the analysis, all the residues can be aspirated automatically, both for distillation and titration.

 

Maximum Productivity with Autokjel

UDK 169 can be used either alone or in combination with the AutoKjel autosampler, for a highly productive system capable of autonomously processing up to 24 samples with standard test tubes (250 ml) or 21 Jumbo test tubes (400 ml).

Sample tubes are taken from the carousel and fed directly into UDK 169 for further processing and reliable results, allowing the user to operate in complete safety and with extreme ease, without requiring an attendant.

The UDK 169 & AutoKjel Kjeldahl analyzer is developed for continuous operation, providing the maximum sample throughput and data processing automation.

 

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 at 15 °C – 1 l/min at 30 °C) with minimal maintenance.

The titanium condenser ensures that distillate temperature always remains below the safe threshold value (35 °C), as indicated in the Kjeldahl method, without nitrogen loss.

 

Patented Steam Generator

The steam generator used by UDK Kjeldahl distillation units offers unique performance, being a patented solution

A thermostat ensures the correct functioning of the steam generator, a safety thermostat eliminates risks for the operator and guarantee safe working conditions.

The high level of precision and accuracy ensures correct and detailed results without any leaks even after intensive use.

  •   Rapid (p)re-heating time
  •   Total safety: no internal pressure
  •   Low thermal dispersion
  •   Great repeatability
  •   High performance and resistance
  •   Maintenance-free
  •   Safety-thermostat
  •   Works with deionized water

 

Multitasking Software

Improved communication leads to improved efficiency.

The UDK 169 distiller is a Kjeldahl automatic distiller equipped with a control panel with 6” high resolution colour touch-screen graphic display and easy to use multitasking software that guides the operator step by step through menus and sub-menus and allows to program in an easy and intuitive way all the parameters including the volumes of reagents such as sodium hydroxide, water, boric acid and the regulation of steam production to carry out distillations and titrations in automatic mode.

  • Excellent usability
  • Flexible, versatile and multi-language
  • Intuitive data entry and programming
  • Unlimited library with all the analyses
  • Data export in .xls, .txt, .csv (according to LIMS) also on USB key
  • Instantaneous reporting
  • Direct access to the archive from remote PC in real time without any download

UDK 169 software is also able to control the AutoKjel autosampler when high productivity is required.

 

Colorimetric Titration

The automatic Kjeldahl analyzer UDK 169 is the top of the range model offering the ultimate in capabilities including colorimetric titration, as recommended by the AOAC.

The UDK 169 colorimetric titration is based on precise chemical reactions with indicators.  VELP integrated titrator works by dosing an acidic titrant solution to the boric acid containing the ammonia distilled from the sample. This titration process results in a color change that is evaluated by the system.

  • calibration-free
  • maintenance-free
  • not sensitive to volume and external light
  • automated, for maximum simplicity and security

UDK 169, the most reliable titration system in the Kjeldahl analysis!

 

TEMS™ Technology

Specification

Specification

TECHNICAL DATA

 

Structure: Corrosion-resistant technopolymer
Display: 6″ color touch screen
Delay time (Devarda Alloy Analysis) 0 – 99 min
Protocol library: 55 methods: 31 pre-installed + 24 customizable
Reproducibility (RSD): ≤ 1 %
Recovery: ≥ 99.5 % at nitrogen levels between 1 and 200 mg N
Detection limit: ≥ 0.1 mg N
Analysis time: from 4 minutes (including titration)
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 and titration 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 and RS232 for PC, printer, mouse, pen drive, balance
On-board archive for data storage Yes
Power: 2200 W
Weight: 31 kg / 68.3 lb
Dimensions (WxHxD): 385x780x416 mm (15.2×30.7×16.4 in)
Accesories

Accesories

 

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.

 

Product Code Description Pack Qty.
A00000195 Adapter usb-RS232
A00000220 Acid pump kit UDK 1X9 230V
A00000285 Alcoholic strength kit
A00000238 Glass spalsh head kit UDK129
A00000266 H20 tank for UDK or H20 and residue tank for FIWE advance
A00000205 IQ/OQ UDK129 Manual
A00000082 Kjeldahl balloon, 500ml
A00000265 NaOH tank with caps UDK1X9
A00000206 Spacer for test tube 48x260mm
A00001088 Test tube 48x260mm,300 ml
A00000185 Test tube 50x300mm, 400ml
A00001083 Test tube 26x300mm,100ml, 6pcs
A00000144 Test tube 42x300mm, 250ml 3pcs
A00000043 Tube connection 26,48, 500ml ballon
A00000316 Vreceiver TKN formula for 1L solution, 40g

 

Video

Video

Download

Download

UDK Series Distillation Units.PDF

Kjeldahl Method.PDF

Application Note Link

CE Certification.PDF

CB Certification.PDF

Nemko Certification.PDF

 

 

 

 

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