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UDK 169 Automatic Kjeldahl Analyzer

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

UDK 169 combined with the autosampler provides high capacity distillation and analysis.

Automated Operation
Programmable boric acid, water, sodium hydroxide addition
Not necessary to set distillation time when titrating
Incorporates an AOAC recommended colorimetric titrator
Selectable steam generation output level 10% – 100%
Auto removal of residues from titrator & sample tube

High Tech
Connection to autosampler for unattended operation
6 inch color touch screen
Library of 55 programs (31 pre-defined, 24 customizable)
Choice of 6 languages – from a wide range downloadable
Balance, mouse & printer connections
No loss of nitrogen: distillate temperature stays below threshold
Accurate dosing of reagents with high precision pumps

Versatile Data Handling
Multiple data interfaces: Ethernet, USB and RS 232C
On-board archiving of data including from balance
Data exporting 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

GENERAL FEATURES
Structure: Corrosion-resistant technopolymer
Display: 6″ color touch screen
Time related to start for 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
Power: 2200 W
Weight: 31 kg / 68.3 lb
Dimensions (WxHxD): 385x780x416 mm (15.2×30.7×16.4 in)

PERFORMANCE
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

UDK 169 & AutoKjel
Autosampler capacity:
24-pos. carousel, 250 ml test tubes (included with AutoKjel)
21-pos. carousel, 400 ml test tubes (optional)
Power: 2250 W
Weight: 131 kg (288.8 lb)
Dimensions (WxHxD): 830x1730x640 mm (32.7×68.1×25.2 in)
Tanks included

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