Endress + Hauser 2550 dew point meter

The Endress + Hauser 2550 is a portable dew‑point meter that uses a thin‑film capacitive sensor to detect moisture in gases, covering –80 °C to +20 °C with an overrange to –100 °C. Common failure modes for this class of instruments include drift or loss of sensor sensitivity due to contamination or aging of the capacitor film, power supply instability causing display or calibration errors, and communication faults if a digital interface is used. First‑check diagnostics should verify the 24 VDC (or specified) power rail continuity, inspect the probe housing for dust or moisture ingress, and review any error codes or calibration flags displayed on the unit’s LCD.[oss-gpt-20b] Post Comment

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