Infrared Sensor – Raytek Thermalert XR Series


  • User-scalable 0/4-20 mA or 0-5 V output
  • User-selectable 0/4-20 mA, 0-5 V, J or K thermocouple output
  • Local user-interface for sensor programming
  • Optional laser sighting and high resolution optics
  • Filed calibration software
  • DataTemp MultiDrop Software compatibility
  • Programmable relay outputs
  • Bi-directional RS485 communications supports networks of up to 32 sensors
  • Complete set of installation accessories available

The Raytek XR IR Sensor is designed for continuous temperature monitoring in a broad range of manufacturing processes. The XR is a rugged, NEMA 4 sealed single-piece system with the flexibility to handle nearly any application. Multiple extended temperature ranges, precision temperature resolution, RS-485 output and a flexible electronic platform create a single sensor that solves the most challenging application. Optional laser sighting and high-resolution optics provides the solution for either small targets or long sight-tubes. An intuitive user interface reduces setup time and adds powerful trouble-shooting capabilities.

Common and configurable installation hardware and software reduces installation expense and variation. The Raytek XR has a flexible user defined analog output, allowing this sensor to be installed with almost any existing control system. This unique capability sets a new standard for process monitoring. The Raytek XR sensor insures a consistent manufacturing process and allows tighter tolerances on heating processes, reducing heating costs.


Model Temperature Range Spectral Response Optical Resolution
LT (Low Temp) -40°C to 600°C 8 – 14 µm 33:1
(-40°F to 1112°F)
LTHSF (Low Temp) -40°C to 600°C 8 to 14 µm 50:1
(-40°F to 1112°F)
MT (Medium Temp) 250°C to 1200°C 3.9 µm 30:1
(482°F to 2190°F)
G5 (Glass) 250°C to 1650°C 5.0 µm 33:1
(482°F to 3002°F)
P7 (Plastics) 10°C to 360 °C 7.9 µm 30:1
(50°F to 680 °F)



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