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T2550

The Foxboro T2550 is a high-accuracy, microprocessor-based temperature transmitter designed for industrial process measurement and control. It converts signals from RTDs, thermocouples, or other temperature sensors into standardized 4-20mA output with HART® communication capability.

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Key Features
✔ Universal Input Compatibility

Supports RTDs (Pt100, Pt1000, Cu10, etc.)

Compatible with all major thermocouple types (J, K, T, E, R, S, B, N)

Accepts ohm/mV inputs for custom sensors

✔ Advanced Performance

±0.1% accuracy (of span)

<100ms response time

Drift compensation for long-term stability

✔ Robust Industrial Design

-40°C to +85°C ambient operating range

IP66/IP67 enclosure rating

316L stainless steel housing (optional)

✔ Smart Communication

HART® 7 protocol (4-20mA + digital)

FF (Fieldbus) version available (T2550F)

✔ Safety & Compliance

SIL 2/3 capable (when used in certified loops)

ATEX/IECEx (for hazardous areas)

CE, UL, cUL, FM

Technical Specifications
Parameter Specification
Input Types RTD, TC, Ohm, mV
Output Signal 4-20mA + HART®
Power Supply 12-30V DC (loop-powered)
Isolation 1500V input-to-output
Display Optional LCD (local readout)
Process Connection ½" NPT, G½, M20x1.5