DuMaster D-480

Unattended and flexible protein determination

DuMaster D-480



The DuMaster D-480 enables unattended and flexible determination of nitrogen or protein according to the Dumas combustion method. The short analysis time of approximately 4 minutes per sample, coupled with the built-in autosampler accommodating up to 120 samples, makes this instrument perfectly suitable for high throughput without supervision.

Your most important benefits: 

Unattended and fast

  • Rapid analysis times of approximately 4 to 6 minutes per sample
  • High sample throughput due to fast and automatic autosampler
  • Unattended over-night operation of up to 120 samples
  • Continuous operation thanks to stable conditions over months

Cost effective

  • Automated oxygen control saves up to 95% of oxygen consumption
  • Low-price carbon dioxide as carrier gas as opposed to helium
  • Low costs per sample thanks to high degree of automation and low consumable costs

Safe and convenient

  • No contact with harmful chemicals or burn risks
  • Large sample volume (up to 1 g or 1 mL) analysis thanks to efficient multi-step gas drying
  • Random access of samples at any time (no batch processing required)
  • Remote assistance and troubleshooting over the internet