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K-375 – Kjel­Master & K-376 / K-377 – Kjel­Sampler

Free choice of methods at perfect usability

Perform potentiometric and colorimetric titrations with the KjelMaster K-375 and a free choice of methods at perfect usability. Gain high throughput, more automation and sophisticated data management for convenient nitrogen and protein analysis.


Operate your KjelMaster K-375 without being physically present. High-throughput processing of up to 48 samples is possible with KjelMaster K-377 or up to 24 samples with KjelMaster K-376. Enjoy high automation levels with perfect process synchronization of all steps from digestion to automated sampling. Use two independent racks with KjelMaster K-377 to achieve a continuous batch workflow.


The KjelMaster K-375 & KjelSampler K-376 / K-377 is the smallest bench top system available, giving you more flexibility in how you use your lab space. Prioritize the most important samples with the “express rack” for a highly efficient workflow. Choose between automatic or manual operation at any time to suit your changing needs. The system is compatible with all BUCHI sample tubes (100 mL, 300 mL, 500 mL) and offers free choice of methods at perfect usability.

Convenient and safe

With the KjelMaster K-375 & KjelSampler K-376 / K-377, there is no sample tube cleaning or glass transfer necessary, saving you time and ensuring your process remains clean and reliable. All handling of reagents is automated, eliminating any contact between you and harmful chemicals. Load your sample rack safely and smoothly at any time for a comfortable user experience. Finally, extend the lifetime of your glassware and save costs thanks to reduced exposure to chemicals.

  • Benefit from convenient system operation with an intuitive and easy-to-use touch screen feature.
  • Synchronized process from sample preparation to titration
  • The KjelLink PC software is a useful supplement for advanced programming and bidirectional data exchange.
  • The KjelMaster allows both potentiometric and colorimetric titration to achieve compliance without exception
  • Smart distillation mode “IntelliDist”