| Item | Specification |
|---|---|
| Model Number | 7MB2121-0CA00-1AA1 |
| Manufacturer | Siemens |
| Product Family | ULTRAMAT 23 |
| Device Type | Single-channel NDIR gas analyzer module |
| Measuring Principle | Non‑dispersive infrared (NDIR) absorption |
| Target Gases | CO, CO₂, CH₄ (standard IR‑absorbing gases) |
| Power Supply | 24 V DC ±15 % |
| Operating Temperature | 0 °C to +50 °C |
| Storage Temperature | −25 °C to +70 °C |
| Relative Humidity | 5 % to 95 %, non‑condensing |
| Protection Class | IP20 |
| Mounting | DIN rail (cabinet installation) |
| Signal Output | Analog / digital interface (system integration) |
| Calibration | Factory calibrated |
| Certification | CE marked |
| Typical Applications | Flue gas analysis, process gas monitoring, emission monitoring |
