Velp DK Kjeldahl

DK Series Kjeldahl Digestion Units

Traditional Kjeldahl Digestion Units for nitrogen analysis and protein determination, with an aluminum heating block that offers an excellent thermal homogeneity, with a maximum working temperature of 450 °C.

VELP Scientifica

1/5

High Performance

  • Excellent thermal homogeneity
  • High temperature stability with aluminum 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)

Recommendations

  • Complete your preferred system with the following components:
DK 6 DK 6/48 DK 8 DK 20 DK 20/26 DK 42/26
Support System A00001206 A00001206 A00000064 A00000190 A00001206 A00000190
Sample Rack
with Heat Shields		 A00001111 A00001113 A00000063 A00000168 A00001110 A00000180
Suction Cap A00001096 A00001101 A00000065 A00000169 A00109626 A00000179
Test Tubes A00000144 A00001088 A00000144 A00000144 A00000146 A00000146

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

  • JP Pump aspirates noxious fumes
  • SMS Scrubber neutralizes all the fumes (for safety)
    Two JP Pumps are recommended when using DK 42/26
  • Special Application: DK6 & DK 20 can be used also for Chemical Oxygen Demand
    processing 6 or 20 samples simultaneously

Product Code

Accessories

A00001206required
A00000064required
A00000190required
A00001111required
A00001113required
    
A00001206DK 6, DK 6/48 and DK 20/26 Support system
    
A00000064DK 8 Support system
    
A00000190DK 20, DK 42/26 Support system
    
A00001111DK 6 Sample rack with heat shields
    
A00001113DK 6/48 Sample rack with heat shields
A00000063required
A00000168required
A00001110required
A00000180required
A00001096required
    
A00000063DK 8 Sample rack with heat shields
    
A00000168DK 20 Sample rack
    
A00001110DK 20/26 Sample rack with heat shields
    
A00000180DK 42/26 Sample rack
    
A00001096DK 6 Suction cap
A00001101required
A00000065required
A00000169required
A00109626required
A00000179required
    
A00001101DK 6/48 Suction cap
    
A00000065DK 8 Suction cap
    
A00000169DK 20 Suction cap
    
A00109626DK 20/26 Suction cap
    
A00000179DK 42/26 Suction cap and drip tray
A00000144required
A00001088required
A00000146required
 A00000243 A00001097
    
A00000144DK 6, DK 8, DK 20 Test tubes Ø 42×300 mm, 250 ml (3 pcs/box)
    
A00001088DK 6/48 Test tubes Ø 48×260 mm, 300 ml
    
A00000146DK 20/26 and DK 42/26 Test tubes Ø 26×300 mm, 100 ml (6pcs/box)
    
A00000243DK 6, 8, 20 Glass Cap
    
A00001097DK 6, DK 6/48 and DK 20/26 Stainless steel stand for sample rack
A00000067 A00000182 A00001200 A00000237 A00001049
    
A00000067DK 8 Stainless steel stand for sample rack
    
A00000182DK 20, DK 42/26 Stainless steel stand for sample rack
    
A00001200DK 6 and DK 6/48 Stainless steel drip tray
    
A00000237DK 20 Sample rack for COD analysis
    
A00001049DK 6 Sample rack for COD analysis
A00000145 A00001041 A00001045 A00001042 A00000005
    
A00000145DK 6 and DK 20 Test tubes Ø42x200mm, 200 ml with cone NS 29/32 (3pcs/box) for COD analysis
    
A00001041DK 6 and DK 20 Air condenser with ground cone for COD analysis
    
A00001045DK 6 and DK 20 Antisplash bell for COD analysis
    
A00001042DK 6 and DK 20 PTFE sheaths for 29/32 cones for COD analysis
    
A00000005Serial cable
A00000010 A00001009 A00000075 A00000274 A00000275
    
A00000010Null modem connector for printer
    
A00001009Printer
    
A00000075IQ/OQ Manual
    
A00000274KjTabs VCM – 1000 pcs/box
    
A00000275KjTabs VKPC – 1000 pcs/box
A00000276 A00000277 A00000281 A00000282 A00000283
    
A00000276KjTabs VCT – 1000 pcs/box
    
A00000277KjTabs VST – 1000 pcs/box
    
A00000281KjTabs VTCT – 1000 pcs/box
    
A00000282KjTabs VW – 1000 pcs/box
    
A00000283KjTabs VS Antifoam – 1000 pcs/box
A00000362
    
A00000362Adapter for probe Ø3mm for DK/DKL/ECO

 

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 (12.9×5.4×20.1 in)
DK 20/26 293x152x339 mm (11.5x6x13.3 in)
DK 42/26 328x138x510 mm (12.9×5.4×20.1 in)
Dimensions (WxHxD):
(aluminum block + support system)		 DK 6 295x462x546 mm (11.6×18.2×21.5 in)
DK 6/48 295x462x546 mm (11.6×18.2×21.5 in)
DK 8 235x566x587 mm (9.3×22.3×23.1 in)
DK 20 328x702x585mm (12.9×27.6×23 in)
DK 20/26 295x462x546 mm (11.6×18.2×21.5 in)
DK 42/26 328x702x585mm (12.9×27.6×23 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

 

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.