Velp DK20 Digester

A 20 position Digester for Kjeldahl nitrogen analysis and protein determination, with an aluminum heating block for 250ml test tubes (diameter 42mm), offering excellent thermal homogeneity and a maximum working temperature of 450 °C. It has an LCD display and 20 customisable program memories.

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Description

Kjeldahl Digestion Units - TEMS™ Technology on DK 20 and 42/26

DK 20 and DK 42/26 Kjeldahl digestion units work with the innovative TEMS™ benefits, for huge savings.

Time Saving: from Ambient to 420 °C in only 35 minutes

Energy Saving: limited energy consumption

Money Saving: cost reduction for each analysis

Space Saving: reduce unnecessary use of space

Kjeldahl Digestion Units - Digestion Units for COD Analysis

DK Series is really versatile!

Especially DK 6 and DK 20, which can be used for also for COD (Chemical Oxygen Demand): their support system can manage all the glass required for the COD analysis for processing six and twenty samples simultaneously.

High Performance

Excellent thermal homogeneity
High-temperature stability with aluminium block
Good repeatability of temperature
Premium quality consumables

Convenient to Use

Choice of 6 operating languages
LCD display of all parameters
20 customizable program memories

Practical Considerations

Very small footprint
Constantly monitor the digestion process on display
Conforms to Good Laboratory Practice standard

Wide Choice

Models to match tube type and quantity DK 6 (6-position with 250 ml tubes, Ø 42 mm) DK 6/48 (6-position with 300 ml tubes, Ø 48 mm) DK 8 (8-position with 250 ml tubes, Ø 42 mm) DK 20 (20-position with 250 ml tubes, Ø 42 mm) DK 20/26 (20-position with 100 ml tubes, Ø 26 mm) DK 42/26 (42-position with 100 ml tubes, Ø 26 mm)

GENERAL FEATURES
Construction material:	Epoxy painted with chemical resistant coating
Models:	DK 6 6-position for 250 ml test tubes (Ø 42 mm) DK 6/48 6-position for 300 ml test tubes (Ø 48 mm) DK 8 8-position for 250 ml test tubes (Ø 42 mm) DK 20 20-position for 250 ml test tubes (Ø 42 mm) DK 20/26 20-position for 100 ml test tubes (Ø 26 mm) DK 42/26 42-position for 100 ml test tubes (Ø 26 mm)
Set temperature:	Digital readout in °C or °F
Countdown:	Digital readout
Selectable language:	UK, I, E, F, D, T
Power:	DK 6 1100 W DK 6/48 1100 W DK 8 1350 W DK 20 2300 W DK 20/26 1100 W DK 42/26 2300 W
Weight:	DK 6 16.2 kg (35.7 lb) DK 6/48 15.6 kg (34.4 lb) DK 8 21.9 kg (48.3 lb) DK 20 23.4 kg (51.6 lb) DK 20/26 18.8 kg (41.4 lb) DK 42/26 18.2kg (39.7 lb)
Dimensions (WxHxD): (aluminum block only)	DK 6 293x152x339 mm (11.5x6x13.3 in) DK 6/48 293x152x339 mm (11.5x6x13.3 in) DK 8 233x152x448 mm (9x6x17.6 in) DK 20 328x138x510 mm (12.9x5.4x20.1 in) DK 20/26 293x152x339 mm (11.5x6x13.3 in) DK 42/26 328x138x510 mm (12.9x5.4x20.1 in)
Dimensions (WxHxD): (aluminum block + support system)	DK 6 295x462x546 mm (11.6x18.2x21.5 in) DK 6/48 295x462x546 mm (11.6x18.2x21.5 in) DK 8 235x566x587 mm (9.3x22.3x23.1 in) DK 20 328x702x585mm (12.9x27.6x23 in) DK 20/26 295x462x546 mm (11.6x18.2x21.5 in) DK 42/26 328x702x585mm (12.9x27.6x23 in)

PERFORMANCE
Temperature range:	Ambient to 450 °C / 842 °F
Selectable ramps:	up to 4 per program
Temperature Calibration:	Automatic
Stability of the heating block temperature:	± 0,5 °C
Precision of the heating block temperature:	± 0,5 °C
Digestion time range:	1 to 999 minutes
Time selection:	1 minute steps

Specification

Easy-to-use with the intuitive digital interface

The bright digital display provides maximum visibility and easy-to-read information.

The instrument is operated with 4 keys to navigate the menu options and program the digestions in a simple and fast way.

Through the intuitive graphic display, it is possible to set up to 20 methods with 4 temperature ramps.

Acoustic signals inform the operator of the completion of the analysis facilitating the daily use of the digester.

The inclination of the front panel protects it from chemical spillage at high temperatures.

COD digestion with DK 20

DK 20 is a versatile digester suitable for Kjeldahl N/Protein applications and Chemical Oxygen Demand in the environmental industry.

In order to use the DK 20 for COD (Chemical Oxygen Demand) is necessary to configure it by adding a different support system able to manage all the glass required for the COD analysis for processing 20 samples simultaneously.

Fume Neutralization System

For application where the digestion process produces fumes, acid gases or corrosive substances, the below specific accessories are strongly recommended: