Foxboro E69F-T12-JRS Temperature Transmitter

Product Type: Temperature Transmitter with RTD Input (Pt100/Pt1000)

Overview:
The Foxboro E69F-T12-JRS is a temperature transmitter from the Foxboro E Series product line. It accepts input from a Resistance Temperature Detector (RTD) sensor (Pt100 or Pt1000) and converts the resistance value into a standardized 4–20 mA DC output signal with HART communication capability. The “T12” designation indicates RTD input type, and “JRS” identifies the specific output and housing configuration.

Category:
Description

Functional Features:

  • Accepts 2-wire, 3-wire, or 4-wire RTD connections (Pt100 or Pt1000)
  • Provides 4–20 mA output proportional to measured temperature
  • Supports HART 5/7 digital communication for remote configuration and diagnostics
  • Includes sensor break detection and sensor fault alarm
  • Offers linearization and range scaling via HART communicator or DCS
  • Supports cold junction compensation for thermocouple variants (if applicable)
  • Features in-field calibration capability via HART

Technical Specifications:

  • Input Type: RTD — Pt100 (100 Ω at 0°C) or Pt1000 (1000 Ω at 0°C)
  • Input Wiring: 2-wire, 3-wire, or 4-wire
  • Temperature Range: -200°C to +650°C (-328°F to +1202°F) depending on sensor type
  • Output Signal: 4–20 mA DC (2-wire loop powered)
  • Accuracy: ±0.15°C (±0.27°F) or ±0.1% of span (whichever is greater)
  • HART Protocol: HART 5 and HART 7 compliant
  • Operating Temperature: -40°C to +85°C (-40°F to +185°F)
  • Process Temperature: -40°C to +200°C (-40°F to +392°F) for electronics housing
  • Process Connection: 1/2 NPT male (standard), 3/4 NPT optional
  • Electrical Connection: 1/2 NPT cable gland
  • Power Supply: 12 VDC to 45 VDC (loop powered from 4–20 mA loop)
  • Enclosure Rating: IP66 / NEMA 4X (weatherproof)
  • Approvals: ATEX, IECEx, FM, CSA, SIL 2 (certified for safety instrumented systems)

Material Composition:

  • Housing: 316L Stainless Steel (standard), Aluminum (light-duty option)
  • Process Connection: 316L Stainless Steel
  • Cable Gland: Nickel-plated brass or 316L Stainless Steel
  • Internal PCB: Conformal-coated, potting-sealed for moisture protection

Applicable Industries:
Oil and Gas, Chemical Processing, Power Generation, Food and Beverage, Pharmaceutical, HVAC, Water Treatment

Installation Requirements:

  • Mounted via 1/2 NPT process connection (thermowell required for in-process mounting)
  • Cable entry via 1/2 NPT conduit fitting with cable gland
  • Loop wiring: 2-wire connection to DCS/PLC analog input
  • Configuration via Foxboro FieldMaster, AMS Trex, or HART modem
  • Thermowell insertion depth must be sufficient for accurate measurement (minimum 10× sheath diameter)

Advantages:

  • High accuracy with 3-wire/4-wire RTD compensation eliminating lead wire error
  • HART communication enables remote diagnostics and range changes without process shutdown
  • SIL 2 certified for use in safety instrumented functions (SIF)
  • Wide temperature range covers cryogenic to high-temperature applications
  • Robust IP66 enclosure suitable for outdoor and washdown environments
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