Description

UDK 169
Automatic Kjeldahl Analyzer with AutoKjel Autosampler

Fully automatic Kjeldahl Analyzer (distillation unit plus integrated colorimetric titrator) with connection to autosampler, for high sample throughput, maximum flexibility and unattended operation.
Automated Operation :
– Continuous process for 24 x 250 ml or 21 x 400 ml samples
– 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 :

Model :	– UDK 169, 230 V / 50 – 60 Hz, Cat. No. : F30200160 – AutoKjel, 230 V / 50 – 60 Hz, Cat. No. : F30200430 – UDK 169 & AutoKjel, 230 V / 50 – 60 Hz, Cat. No. : S30200160
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