Browse all Channels
Qualvista Ltd.

Qualvista Ltd.
Valimotie 13 A ,
Helsinki ,
00380
Finland
  2. Companies
  3. Qualvista Ltd.
  4. Products

2 products found

Qualvista Ltd. Products

  • Qualvista - Biogas Monitor

    Qualvista - Biogas Monitor

    The Qualvista Biogas Monitor provides the biogas industry a continuous, cost-effective and robust method for siloxane, methane, carbon dioxide, hydrogen sulfide and oxygen measure-ments. Qualvista has developed the monitoring system together with VTT Technical Research Centre of Finland. The monitor’s siloxane measuring technology is patented and Qualvista holds exclusive rights for commercial use of this method. The system is in use in biogas ...

  • Qualvista - Siloxane Measuring System

    Qualvista - Siloxane Measuring System

    The patented Qualvista siloxane measuring system is based on the NDIR (Nondispersive Infrared) method. The NDIR method is well-known and the most robust method for measuring absorption of the infrared light of the gas sample provided. The gas flow goes through the equipment at 0.5 l/minute, so continuous measurement is possible. One measurement takes 10 to 40 minutes to complete, depending on the siloxane ...