Foxboro P0901XT-02 Intelligent Transmitter | HART & Fieldbus

Product Overview

The Foxboro Evo P0901XT-02 functions as a high-precision intelligent transmitter module designed for the multi-variable measurement of pressure, differential pressure, flow, and liquid level. This module integrates seamlessly into the Foxboro Evo automation architecture, providing the core data required for mission-critical process loops. Utilizing advanced capacitive or piezoresistive sensor technology, the P0901XT-02 delivers a stable 4–20 mA output with digital overlays for HART, FOUNDATION Fieldbus, or PROFIBUS PA protocols. Its robust construction ensures laboratory-grade accuracy even in high-vibration and corrosive industrial environments.

Technical Specifications

The P0901XT-02 utilizes industrial-grade materials and advanced DAC/ADC conversion to maintain signal integrity:

• Manufacturer: Foxboro (Schneider Electric)

• Model Number: P0901XT-02 (100% Brand New)

• Measurement Type: Pressure, DP, Flow, and Level

• Reference Accuracy: ±0.15% of calibrated span

• Output Signal: 4–20 mA (Analog) + HART/Fieldbus/PROFIBUS (Digital)

• Power Supply: 24 VDC nominal

• Sensor Core: Capacitive or piezoresistive technology

• Environmental Protection: IP66 (Dustproof and Waterproof)

• Operating Temperature: –40°C to +85°C (–40°F to +185°F)

• Housing Material: Stainless Steel, Hastelloy, or Corrosion-Resistant Alloys

• Weight: 1000 g (Compact Form Factor)

• Mounting Options: Pipe (2-inch), Wall, or Panel mounting

• Diagnostics: Full internal self-diagnostics and error status reporting

Engineering Advantages

The P0901XT-02 addresses specific field instrumentation challenges through superior mechanical and electronic engineering:

• Corrosion-Resistant Performance: Foxboro offers this module in Hastelloy and high-grade stainless steel options. This material selection prevents diaphragm failure and housing degradation when measuring aggressive chemicals or operating in offshore salt-spray environments.

• Superior Thermal Stability: The module maintains its ±0.15% accuracy across an expansive temperature range (–40°C to +85°C). Integrated temperature compensation circuitry adjusts the pressure reading in real-time, eliminating the "zero-drift" commonly seen in lower-grade transmitters during diurnal temperature shifts.

• Flexible Communication Integration: The P0901XT-02 supports three major industrial protocols—HART, FOUNDATION Fieldbus, and PROFIBUS PA. This allow engineers to swap modules across different plant areas without changing the underlying wiring or control system interface.

• Simplified Field Diagnostics: The module executes continuous self-health checks. If the sensor detects a partial blockage or an internal electronic fault, it transmits a specific error code via the digital protocol, allowing maintenance teams to troubleshoot without physically accessing the transmitter in hazardous locations.

FAQs

• Can the P0901XT-02 measure liquid level in a pressurized tank?Yes. By utilizing the differential pressure (DP) measurement mode, the P0901XT-02 calculates liquid level based on the head pressure of the fluid. It compensates for the static pressure in the tank to provide an accurate level reading.

• What is the benefit of the capacitive sensor technology in this module?Capacitive sensors provide superior overpressure protection and higher sensitivity for low-range differential pressure measurements. This technology ensures the module does not lose calibration even if the process line experiences a sudden pressure spike.

• Does this transmitter require external power for the HART signal?The P0901XT-02 typically operates on a 24 VDC two-wire loop. The HART digital signal "rides" on the 4–20 mA analog signal, so no additional power wiring is necessary for digital communication.

• Is this a 100% New in Box (NIB) unit?Absolutely. We supply the P0901XT-02 as 100% Brand New original equipment. Each unit ships in factory packaging with the original seals to ensure the internal sensor remains uncontaminated and ready for immediate calibration.