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248R Rail Mount Temperature Transmitter

Brand: Rosemount
An industry-standard solution, the Rosemount 248 Temperature Transmitter delivers consistent and reliable performance for process environments. 

Engineered to meet requirements for common single point temperature measurement applications, its durable design withstands a wide range of process environments.

For application flexibility, this temperature transmitter is available in a rail or head mount configuration as well as a variety of housing options.
Features
  • Standard Transmitter Meets Common Single Point Temperature Measurement Application Requirements
  • Housing Construction Provides Superior Resistance to Many Process Environments
  • Available in Rail or Head Mount Configuration for Application Flexibility
  • One-year Stability Rating Reduces Maintenance Costs
  • Open/Short Sensor Diagnostics Help Detect Issues in the Sensor Loop to Ensure Reliable Performance
  • Device Dashboards Provide Easy Interface for Simplified Device Configuration and Diagnostic Troubleshooting
An industry-standard solution, the Rosemount 248 Temperature Transmitter delivers consistent and reliable performance for process environments. 

Engineered to meet requirements for common single point temperature measurement applications, its durable design withstands a wide range of process environments.

For application flexibility, this temperature transmitter is available in a rail or head mount configuration as well as a variety of housing options.
Features
  • Standard Transmitter Meets Common Single Point Temperature Measurement Application Requirements
  • Housing Construction Provides Superior Resistance to Many Process Environments
  • Available in Rail or Head Mount Configuration for Application Flexibility
  • One-year Stability Rating Reduces Maintenance Costs
  • Open/Short Sensor Diagnostics Help Detect Issues in the Sensor Loop to Ensure Reliable Performance
  • Device Dashboards Provide Easy Interface for Simplified Device Configuration and Diagnostic Troubleshooting

Specifications

Accuracy

  • ± 0.1 % of Span

Alarm

  • NAMUR Alarm & Saturation Signal Levels

Ambient Temperature Range

  • -40° to 85° C (-40° to 185° F)

Approvals & Certifications

  • ATEX
  • CSA
  • FM
  • GOST
  • IEC Ex

Conduit Connection

  • A Size Mini, 4-Pin Male Connector (minifast)
  • M12, 4-Pin, Male Connector (eurofast)

Configuration

  • Serial HART Modem
  • Software Only
  • USB HART Modem

Damping Adjustment

  • 32 seconds, Max.

Electrical Connectors

  • 1/2” NPT
  • M20 x 1.5

Electromagnetic Interference Effect

  • NE 21 - Electromagnetic Compatibility (EMC) for Process & Laboratory Apparatus
  • NE 43 - Standard of the Signal Level Breakdown Information of Digital Transmitters
  • NE 89 - Standard of Temperature Transmitters with Digital Signal Processing

Enclosure Finish

  • Aluminum Lacquer
  • Polyurethane Paint

Enclosure, Body Material

  • Reinforced GE Polyphenylene Oxide Glass

Environmental Protection

  • IP66
  • IP68
  • NEMA 4X / IP66, 68

Humidity

  • 0 to 99 % Relative Humidity, Non-Condensing

Input Power

  • 42.4 Vdc

Mounting

  • G-Rail

O-Ring Material

  • Buna-N
  • Rubber

Operating Temperature

  • -40° to 85° C (-40° to 185° F)

Output

  • 2-Wire 4-20 mA

Power Supply Effect

  • ± 0.005 % of Span Per Volt

Sensor, Probe Connection

  • 2-Wire
  • 3-Wire
  • 4-Wire
  • T/C & mV

Sensor, Probe Type

  • B Thermocouple
  • E Thermocouple
  • J Thermocouple
  • K Thermocouple
  • N Thermocouple
  • R Thermocouple
  • S Thermocouple
  • T Thermocouple

Stability

  • ± 0.1 % of Reading or 0.1° C (32.2° F) whichever is greater, for 12 Months

Storage Temperature

  • -50° to 120° C (-58° to 248° F)

Temperature Effect

  • ± 0.004 % of Span Per 1.0° C (1.8° F)

Vibration Effect

  • No Vibration Effect