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Cylindrical fixed-mount IR sensor with 10 ft cable and threaded body

Raytek

Raytek RAYCMLTJ3 Fixed Mount IR Temperature Sensor

SKU CH-6P2H-JEWYS

Fixed-mount infrared sensor measures -4 to 932 °F with 13:1 spot ratio, adjustable emissivity and IP65 rating

  • TypeEnvironmental & Mechanical
  • Measures -4 to 932 °F for extreme-range monitoring
  • Adjustable emissivity 0.10 to 1.10 suits varied surfaces
  • 13:1 distance-to-spot ratio enables remote sensing
  • IP65 and NEMA 4 rating protects against dust and water jets
  • 10 ft cable and ¾-16 UNF thread simplify fixed installation

Fixed-mount infrared sensor for industrial

The Raytek RAYCMLTJ3 is a fixed-mount infrared temperature sensor built for continuous process monitoring in industrial environments. It measures surface temperature without contact, making it suitable for production lines, maintenance checks and quality control stations where probe access is impractical.

IP65 enclosure with 13:1 optics and adjustable

The sensor carries an IP65 and NEMA 4 enclosure rating, protecting the optics and electronics from dust and water jets during normal operation. A 13:1 distance-to-spot ratio allows accurate targeting at working distances, while adjustable emissivity from 0.10 to 1.10 compensates for different material surfaces. The unit operates up to 160 °F ambient and presents a 100 ohm impedance output.

Replaces handheld pyrometers for permanent

This model replaces handheld infrared thermometers when a permanent, repeatable measurement point is required. The 10 ft cable and 3/4 in.-16 UNF mounting thread simplify fixed installation on machinery or conduit. The jump is worthwhile when continuous data logging or automated alarms are needed instead of periodic spot checks.

Highlights

  • Measures -4 to 932 °F for extreme-range monitoring
  • Adjustable emissivity 0.10 to 1.10 suits varied surfaces
  • 13:1 distance-to-spot ratio enables remote sensing
  • IP65 and NEMA 4 rating protects against dust and water jets
  • 10 ft cable and ¾-16 UNF thread simplify fixed installation

Specifications

BrandRAYTEK
TypeEnvironmental & Mechanical

Questions about this item

How do I mount the sensor using the 3/4 In. -16 UNF thread without cross-threading the housing?

Start the sensor by hand until the threads engage smoothly for at least two full turns before applying a wrench; the UNF pitch is fine, so forcing it will strip the aluminium housing.

Will the adjustable emissivity setting of 0.10 to 1.10 drift over time and require recalibration?

The emissivity circuitry is solid-state and does not drift; recalibration is only needed if the lens becomes scratched or coated with residue that changes surface reflectivity.

At what point does the IP65 / NEMA 4 seal become the limiting factor during continuous operation?

The enclosure is rated for 160 °F ambient; sustained exposure above that temperature degrades the gasket material and compromises the IP65 seal before the electronics reach their limit.

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