Optical Pyrometers

Optical pyrometer


  • Precise noncontact temperature measurement from -40 to 900°C
  • Small infrared sensor with 22:1 optical resolution
  • Rugged and usable up to 180°C ambient temperature without cooling
  • Separate electronics with easy accessible programming keys and LCD backlit display
  • Selectable analog output: 0/4-20mA, 0-5V, 0-10V, thermocouple type K or J
  • standard air purge jacket keeps lens clean

General specifications

  • Environmental rating: IP 65 (NEMA-4)
  • Ambient temperature: sensing head:-20-180°C; electronics: 0-85°C
  • Storage temperature: sensing head: -40-180°C; electronics: -40-85°C
  • Relative humidity: 10-95%, non condensing
  • Vibration (sensor): IEC 68-2-6: 3 G, 11-200Hz, any axis
  • Shock (sensor): IEC 68-2-27: 50 G, 11 ms, any axis
  • Weight: sensing head 40 g; electronics 420 g

Electrical specifications

  • Outputs/analog: 0/4-20mA, 0-5/10V, thermocouple J, K
  • Output impedances: mA max. 500 Ω (with 8-36 VDC); mV min. 100k Ω load impedance; thermocouple 20 Ω
  • Inputs: programmable functional inputs for external emissivity adjustment, ambient temperature compensation, trigger (reset of hold functions)
  • Cable length: 3m
  • Current draw: max. 100 mA
  • Power supply: 8-36 V DC

Measurement specifications

  • Temperature range (scalable via programming keys or software): -40 -900°C (22:1)
  • Spectral range; 8-14 µm
  • Optical resolution: 22:1 (precision glass optics)
  • System accuracy (at ambient temperature 23 ± 5°C): ± 1% or ± 1°C (whichever is greater)
  • Repeatability (at ambient temperature 23 ± 5°C): ± 0.5% or ± 0.5°C (whichever is greater)
  • Temperature resolution: 0.1°C
  • Response time: 150 ms (95%)
  • Emissivity/Gain (adjustable via programming keys or software): 0.100-1.100
  • Transmissivity/Gain (adjustable via programming keys or software): 0.100-1.100
  • Signal processing (parameter adjustable via programming keys or software, respectively): peak hold, valley hold, average; extended hold function with threshold and hysteresis

For temperature measurement and closed loop control this small sized optical non-contact temperature sensor is perfect for most industrial applications. Excellent optical resolution, high ambient operating temperature and accurate control are only a few of the outstanding features of this small footprint device.