Optris CThot LT Non-Contact Temperature Sensor

The Optris CThot LT is an excellent general-purpose miniaturised pyrometer with a programmable electronic box for applications with extremely high ambient temperatures up to 250°C without additional cooling whilst being able to measure temperatures up to 975°C.

Technical Details

  • Compact pyrometer for hot environmental temperatures
  • Temperature range (scalable via programming keys or software): -40°C – 975°C
  • Spectral range: 8 to 14 µm
  • Optical resolution (90% energy): 10:1, 2:1
  • System accuracy1) (at ambient temperature 23 ± 5°C): ± 1% or ± 1.5°C2)
  • Repeatability1) (at ambient temperature 23 ± 5°C): ± 0.5% or ± 0.5°C2)
  • Temperature resolution (NETD): 0.25 K
  • Response time: 100 ms
  • Emissivity / Gain (adjustable via programming keys or software): 0.100 – 1.100
  • Transmissivity (adjustable via programming keys or software): 0.100 – 1.100
  • Cable length: 3 m (standard), 8 m, 15 m
  • Environmental rating: IP 65 (NEMA-4)
Download the PDF data sheet for the Optris CThot LT Non-Contact Temperature SensorData Sheet