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Fully automatic distillation and titration for Kjeldahl protein determination, Non-Protein Nitrogen (NPN), volatiles and more. Connection to autosampler for high sample throughput, maximum flexibility and unattended operation.

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Technical Specifications

UDK 149 UDK 159 UDK 169
ANALYSIS TIME 3 min for 100 ml of distillate From 4 min (titration included) From 4 min (titration included)
MEASURING RANGE 0.04 - 220 mg N 0.04 - 220 mg N 0.04 - 220 mg N
REPRODUCIBILITY (RSD) ≤ 1% ≤ 1% ≤ 1%
RECOVERY ≥ 99.5 % ≥ 99.5 % ≥ 99.5 %
DETECTION LIMIT (LOD) > 0.015 mg N > 0.015 mg N > 0.015 mg N
SODIUM HYDROXIDE ADDITION Automatic Automatic Automatic
SELECTABLE DISTILLATION TIME Yes Not necessary Not necessary
STEAM FLOW REGULATION 10 - 100 % 10 - 100 % 10 - 100 %
DELAY TIME (DEVARDA ALLOY ANALYSIS) 00 sec - 99 min 59 sec 00 sec - 99 min 59 sec 00 sec - 99 min 59 sec
WATER CONSUMPTION From 0.5 L/min to 15 °C From 1 L/min to 30 °C From 0.5 L/min to 15 °C
From 1 L/min to 30 °C From 0.5 L/min to 15 °C From 1 L/min to 30 °C
From 0.5 L/min to 15 °C From 1 L/min to 30 °C From 0.5 L/min to 15 °C
From 1 L/min to 30 °C From 0.5 L/min to 15 °C From 1 L/min to 30 °C
DISPLAY 7" color touch screen 7" color touch screen 7" color touch screen
PROGRAMS 20 customizable 32 standard + 24 customizable 32 standard + 24 customizable
POWER INPUT 2200 W 2200 W 2300 W
DIMENSIONS (WxHxD) 385x780x416 mm 15.2x30.7x16.4 in 385x780x416 mm
385x780x416 mm 15.2x30.7x16.4 in 385x780x416 mm
385x780x416 mm
WEIGHT 27 kg; 59.5 lb 31 kg; 68.3 lb 31 kg; 68.3 lb
ERMES CONNECTION Yes, via Wi-Fi or LAN Yes, via Wi-Fi or LAN

Available models

  • The fully automatic process ensures efficient operations, distillation and titration performed simultaneously
  • Shortest time-to-results with online titration and automatic results calculation
  • Premium result accuracy and precision thanks to the integrated colorimetric titrator with high precision burette
  • Selectable steam generation output level 10% – 100% for maximized analytical versality
  • Auto removal of residues from titrator & sample tube
  • Clear and intuitive operations thanks to the Smart User Interface and 7” digital display
  • Maximum safety for the operator
  • Unmatched flexibility with the autosampler and a wide accessory range
  • Ability to connect: 2 USB (balance, barcode scanner, mouse, printer, pen drive; Wi-Fi adapter); Ethernet (Pc, Ermes); RS232 (Autosampler)
  • The fully automatic process ensures efficient operations, distillation and titration performed simultaneously
  • Shortest time-to-results with online titration and automatic results calculation
  • Premium result accuracy and precision thanks to the integrated colorimetric titrator with high precision burette
  • Selectable steam generation output level 10% – 100% for maximized analytical versality
  • Auto removal of residues from titrator & sample tube
  • Clear and intuitive operations thanks to the Smart User Interface and 7” digital display
  • Maximum safety for the operator
  • Unmatched flexibility with a wide accessory range
  • Ability to connect: 2 USB (balance, barcode scanner, mouse, printer, pen drive; Wi-Fi adapter); Ethernet (Pc, Ermes)
  • Connection to various external titrators for automated processing and efficient operations
  • Premium result accuracy and precision
  • Selectable steam generation output level 10% – 100% for maximized analytical versality
  • Auto removal of residues from sample tube
  • Clear and intuitive operations thanks to the Smart User Interface and 7” digital display
  • Up to 20 customizable methods
  • Multi-lingual support
  • Maximum safety for the operator
  • Unmatched flexibility with a wide accessory range
  • Ability to connect: 2 USB (balance, barcode scanner, mouse, printer, pen drive; Wi-Fi adapter); Et
Velp Scientifica

Established in 1983, VELP Scientifica is today a growing provider of analytical instruments and solutions that has made an impact on the world-wide market with Italian products renowned for innovation, style and premium materials.

VELP is a reliable partner for the development of advanced analytical instruments for laboratories, universities, research centers and companies involved in scientific research. VELP Scientifica owes its success to a rich patrimony of ideas, conspicuous investments in R&D and ongoing technological development aimed at maximizing productivity and product differentiation and reducing the time-to-market.

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