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BioPAT® Fundalux 12mm for 2L OPL 5mm

The probe operates on a transmittance principle using IR light to track total biomass. It is a tool to increase microbial fermentation yield by maximizing the use of nutrients, gases and other critical parameters. The system reduces the cost associated with 24-hour sampling and removes inconsistent off-line analysis. The BioPAT® Fundalux comes integrated into our BioPAT® DCU and automatic data conversion to optical density can be achieved with BioPAT® MFCS.

Item no.:  BPF2L05

Availability:  On Request


BioPAT® Fundalux 12mm for 1L UniVessel® OPL 10mm: BioPAT® Fundalux is an absorption-based photometric probe that uses infrared light to measure the turbidity in bioreactors. A precisely defined and constant LED light beam passes through the process medium from either side of the gap on the probe’s shaft. Its hermetically sealed photodiode detects attenuation of the light intensity, which is caused when light is absorbed by cellular mass, dissolved compounds and insoluble material. The 180° constant direct beam optical path lengths (OPL) allow maximum utilization of LED light intensity. The changes in detected light intensity are caused by different degrees of absorption by materials in the medium. In addition, as BioPAT® Fundalux operates according to the transmittance principle in the NIR range, it is not affected by color changes in the cultivation medium. As a result, the probe measures the concentration of total biomass accurately and constantly throughout a process.Technical details:1-Channel Absorption Probe (NIR)Range of wavelength: 840 - 910 nmMaterials (wetted parts): Stainless steel 1.4435 (SS 316 L) dF 1%, BN2Surface: electro-polished Ra 0.4 μmWindows: Sapphire (seal-less)Port connection: Fermenter head plates Diameter: 12 mm, Thread PG 13.5Installation Kit included3 x O-Ring 11.00 x 3.00 mm EPDM (FDA / USP Class VI)1 x Pressure disc for O-ring 11.0 x 3.00 mmProcess temperature: Permanent temperature: 5 - 50°C (41 - 122°F)Autoclavable (without cable)Process pressure: pressure-free (+/- 0.5 bar) (+/- 7.25 psi)Cable connection: Connector (push-pull)Sensor cable (2 m) included, pluggable on both side3.1 Inspection certificate includedBioPAT® DCU: one screen, data collection & controlFlexible entry into your fermenter vesselOptimal biomass coverage for your culture Treat just like your pH and dO probe Up to 10 years lamp lifetimeAssurance of BIOSTAT® compatibility and quality


BioPAT® Fundalux Online Measurement of Turbidity and Total Biomass
en 370.3 kB


  • Insertion Length
    220 mm
  • Optical Path Length
    5 mm