Kjeldahl digester, SH420F

Kjeldahl digester with infrared radiation heating and microprocessor control, providing accurate temperature control and a fast temperature rise.

• WD03 fume collection hood with PFA sealing caps for a longer service life and effective fume extraction
• Clip-on sealing caps, easy to replace
• Dedicated water-jet vacuum pump that needs no electrical power
• Drip tray reduces corrosion damage from acid solutions
• Digests 20 samples simultaneously
• Infrared radiation heating with graphite conduction: fast heating and a small temperature difference between positions
• PID temperature control for high accuracy and fast heating: only 25 minutes from room temperature to 400 °C
• Curve or linear heating; 500 digestion programs can be edited and stored, each with up to 25 temperature and time segments to suit different applications
• Teflon-coated surface and anti-corrosion treatment of the whole instrument protect it from acidic liquids during digestion
• 5.6-inch true-colour LCD for clear, convenient operation
• Multiple protection against over-voltage, over-current and overheating, with an over-temperature alarm
• Ceramic and air-duct thermal insulation for safer operation
• Simple cooling rack included as standard for fast cooling of the digestion tubes, improving throughput
• Optional waste gas neutralization system: condensation, neutralization and drying remove the acid gas generated during digestion
• S402 scrubber: compact moulded housing
• S402 scrubber: translucent absorption section for easy inspection and replacement
• S402 scrubber: adjustable suction (negative) pressure prevents acid gas from escaping
• S402 scrubber: corrosion-resistant vacuum pump with low noise and strong suction, reducing waste gas emissions
• S402 scrubber: three-stage filtration (water condensation, alkali neutralization and activated carbon filtration) for thorough neutralization and absorption; corrosion-resistant PTFE tubing for a longer service life