Tandem PRO Continuous Off-Gas Analyzer
The Tandem PRO is a continuous off-gas analyzer proposed by H.E.L, specifically designed for real-time, on-line CO₂ and O₂ exhaust gas analysis from fermentation or a cell culture batch. Designed to fit a wide range of fermenters or bioreactors from different manufacturers, the Tandem PRO delivers continuous monitoring to help you understand and control your cell culture experiments.
Specifications
- Number of lines: 1
- Sampling interval: Continuous
- Local display: Yes
- Calibration method: Manual & automatic
- Internal gas pump: Yes
- Output: Dual 0–10 V and 4–20 mA, plus RS232
Key Features:
- Get better understanding of cell metabolism fluxes
- Greater gassing control, increase the reliability and repeatability of your process
- Automate your processes and controls, based on real-time feedback
- Allows the same data monitoring for all your fermentation and cell culture bioreactors
| Features | CO2 | O2 |
| Measurement technology | Infra Red Absorption | Electrochemical |
| Range | 5%, 0.1% – 5%
10%, 0.2% – 10% 20%, 0.4% – 20% 50%, 1% – 50% 60%, 1.2% – 60% 100%, 2% – 100% |
25%, 0.1% – 25%
30%, 0.1% – 30% 50%, 0.3% – 50% 60%, 0.4% – 60% 100%, 1% – 100% |
| Resolution | 0.01% | 0.01% |
| Accuracy | +/- 2% of full scale | +/- 2% of full scale |
| Drift | <0.05% per month of full scale | <0.05% per month of full scale |
| Operating Temperature | 0-45 oC | 0-45 oC |
| Temperature compensation | Included | 0.02% per oC |
| T90 Response Rate | <50 seconds | <10 seconds |
| Flow rate (combined) | 25-1000 ml/min | 25-1000 ml/min |