Description
Baumer FlexTop 2203 is a compact, industrial temperature transmitter designed for noise-immune conversion of RTD/Thermocouple inputs into a stable 4–20 mA output. With reinforced EMC shielding, vibration resistance, and universal sensor compatibility, it is ideal for boilers, steam lines, chemical reactors, chillers, HVAC loops, utilities, and OEM skids where rugged performance and long-term calibration stability are essential.
FlexTop 2203 — Key Technical Data & Selection Parameters
| Parameter | Specification / Details |
| Transmitter Type | Head-mounted programmable temperature transmitter |
| Input Type | RTD (Pt100, Pt1000) |
| Output Signal | 4–20 mA (2-wire, isolated) |
| Accuracy | ≤ ±0.15% of span |
| Supply Voltage | 11–35 V DC |
| Housing Type | DIN Form B sensor head |
| Sensor Wiring | 2 / 3 / 4-wire RTD programmable |
| Digital Filtering | Programmable damping, noise suppression |
| EMC Immunity | High EMC robustness (EN 61326-1 industrial class) |
| Approvals | CE, IEC conformity |
| Ambient Range (electronics) | –40 °C to +85 °C |
| Typical Applications | Steam boilers, condensate lines, HVAC chillers, heat exchangers, industrial reactors, food sterilization, packaging & dryers |





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