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Non-invasive IR-temperature Measurement Solution
TEP-IR Temperature Measurement in Flexible Bioreactors
PreSens offers OEM solutions and services for non-invasive temperature measurement – TEP-IR - in flexible bioreactors and bags. They can be manufactured in a flat design so they can be attached to the flexible bioreactor wall e. g. from below. The TEP-IR sensor is placed on the outside of the bioreactor and measurements are taken through a specially designed IR window in the reactor wall or an appropriate part of the existing bag wall. No probe needs to be inserted in the bag which makes TEP-IR perfect for temperature measurement in single-use flexible bioreactors. These sensors provide exceptional accuracy without the need for separate in-process calibrations.
- Non-invasive – no insertion of probe required
- Compatible with a variety of bioreactor materials
- Reliable accuracy
- Fast response time
Technical
| Specifications* | |
|---|---|
| Measurement range | + 15 °C to + 45 °C |
| Accuracy | ± 0.2 °C in the + 35 °C to + 40 °C range ± 0.5 °C in the + 15 °C to + 45 ° C range |
| Resolution | < 0.05 °C at 37 °C |
| Response time (t90) | < 60 s |
| Calibration | Different vessel types may require distinct calibration sets |
| Coditions for Implementation | |
| Distance to vessel surface | 2.0 mm ± 0.5 mm (closer is better) |
| IR window design | Ø 9.0 ± 0.1 mm, thickness 1.0 ± 0.1 mm |
| Liquid coverage | IR window must remain covered by liquid during measurement |
| Mixing requirements | Stirring necessary to avoid temperature gradients |
| Compatible bioreactor materials | System performs well with most plastics and irradiated materials, e.g. LDPE, Markrolon 2458, Makrolon RX2530, and Tritan MX731 |
| Disclaimer | While the temperature measurement values are reliable for monitoring, the integrator must implement additional safety features and independent systems to ensure proper bioreactor control and user safety. |
| *Specifications need to be validated for specific implementation scenario | |