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Adjustable Temperature IR Sensor with Thermocouple Outputs

Adjustable Temperature Range, 20:1 FOV, Fixed IR Sensor

Item# OS38-20-K

Adjustable Temperature Range, 20:1 FOV, Fixed IR Sensor OS38-20-K OS38-20-K
  • Self-Powered via thermocouple outputs
  • Built-in Air Purge to help keep optics clean in environments with dust
  • J or K Thermocouple Output Signal, R or S Type for 100:1 Models
  • Temperature measurements up to 2760°C (5000°F)

OS38-20-K Model Options

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Edit these specs to order a different model. Not all combinations are valid. Options compatible with previous selections will be in bold.

*Highlighted options are not compatible. Please select a different combination.

Process Temprature Range
Field of View
Spectral Response
Response Time
Accuracy @ Ambient
Operating Temprature range
Laser Output
Built in Display
Cable Length
Intrisically Safe

  • Housing Material Stainless Steel
  • Maximum Ambient Humidity 95%
  • Maximum Storage Temperature 70°C (158°F)
  • Minimum Storage Temperature 0°C (32°F)
  • Repeatability 0.01 °C (0.02 °F)
  • Sensor Diameter 35 mm
  • Sensor Length 58.5 mm up to 267 mm

The OS37 / OS37-CF/OS37-60CF models are infrared thermocouples designed for high emissivity targets (non-metals and coated metals) and the OS38-CF/ OS38-60CF/ OS38 models are designed for low emissivity targets (clean metals). All models feature an internal adjustment screw which adjusts the 2% accuracy band anywhere within the overall temperature range. All models offer a choice of 10:1, 20:1 or 100:1 fields of view and a built-in air purge.

The many different fields of view allow the user to select an IR sensor specifically for their application and coupled with measurement temperatures up to 2760°C (5000°F) many applications are covered. Applications such as steel, painted surfaces, adhesives, asphalt and marble just cover a portion of the possiblities.

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