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Cambridge Building Energy & Environment Portal

ST infrared thermometer


handheld noncontact thermometer. Compact, rugged, and easy to use— just aim, pull the trigger, and read the temperature in less than a second. You can safely measure surface temperatures of hot, hazardous, or hard-to-reach objects without contact.


  • Measurement: surface temperature
  • Range: -32 to 400°C
  • Resolution: 0.2°C
  • Accuracy:
  • For targets: Above 23°C (73°F): ±1% of reading or ±1°C (±2°F), whichever is greater -18 to 23°C (0 to 73°F): ±2°C (±3°F)
  • Response time: 500ms
  • Emissivity: pre-set 0.95
  • Dimension: 200*160*55mm


Manual: Raynger ST