| Independent Control Tower | Housing Material | Carbon steel, plastic powder coating |
| Display | 15.6″ color touch screen |
| Controller | Siemens S series PLC, MCGS HMI |
| Integrated Pump | 4 Matson Marlow 114 variable-speed peristaltic pumps |
| Flow Meter | 2 rotameters + 1 MFC |
| Communication | USB [software upgrade, data copy and export], Industrial Ethernet, WiFi, 1 × Analog Input 4 to 20 mA |
| Interface | 1 × pH sensor cable; 1 × DO sensor cable; 2 × stirring motor control wires; 1 × temperature sensor interface; 1 × foam sensor cable; 1 × heating blanket control wire interface; 1 × main power interface |
| Water Interface | 6 × hose barb fitting (inlet/outlet for exhaust condenser, cooling finger, chilled water) |
| Air Interface | 3 × hose barb fitting (2 × gas supply interface, 1 × gas outlet) |
| Power Supply | 220 V (±10%), 50 Hz, single phase |
| Rated Power | Max. 1.5 kW |
| External Size (W×D×H) | 435×360×730 mm |
| Net Weight | Approx. 40 kg (depending on configuration) |
| Agitation Control | Motor | Maintenance-free, low noise servo motor |
| Speed Range | 5 – 1000 rpm |
| Speed Accuracy | ± 0.5% |
| Rated Power | Max. 750 W |
| Gas Control | Gas Source | Air, O2 |
| Control Method | 1 × MFC, 2 × rotameters, 1 × solenoid valve |
| Gas Inlet | Ring sparger |
| Flow Range | Sparger Air: rotameter 3 – 30 L/min, MFC max. 20 SLPM Sparger O2: rotameter 0.5-8 L/min |
| Flow Accuracy | Rotameter accuracy: ± 4%, MFC accuracy: ± 1% |
| Temperature Control | Control Method | Robust PID algorithm |
| Heating Method | Heating blanket |
| Heating Power | Max. 500 W, each vessel |
| Cooling Method | Tap water or circulating cooling |
| Sensor | Pt100 RTD (JUMO, German) |
| Measurement Range | 0~150.0 °C |
| Measurement Accuracy | ± 0.1 °C |
| Control Range | 8.0 °C above coolant to 40.0 °C above ambient (0 – 65.0 °C absolute) |
| Control Accuracy | ± 0.2 °C |
| PH Control | Control Method | · Robust PID algorithm · Cascade control with peristaltic pumps by adding acid and alkali |
| Sensor | Hamilton Sterilizable Gel-filled pH electrode |
| Measurement Range | 2.00~12.00 |
| Measurement Accuracy | 0.01 |
| Control Accuracy | ± 0.05 |
| DO Control | Control Method | · Robust PID algorithm · Cascade control with different parameters (agitation, gas flow and pump) |
| Sensor | Hamilton Sterilizable polarographic DO electrode |
| Measurement Range | 0.0~150.0% |
| Measurement Accuracy | 0.1% |
| Control Accuracy | ± 3% |
| Foam Control | Control Method | · Cascade control with peristaltic pump by adding antifoam (defoamer) · Mechanical defoaming blade |
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