Explosion Proof Digital IR Fiber Optic Pyrometer

  • Temperature measuring range : 350°C....2000°C
  • Power supply : 12V to 28V DC with reverse polarity protection
In stock

Part Code: SRU FO PL



SRU FO is a two channel model for measurement of refractory temperature, gas temperature and smart hybrid temperature. It is highly accurate digital Fibre Optical industrial IR Pyrometers, for non contact temperature measurement in demanding application.


  • Sulphur Recovery Units.
  • Thermal Oxidizer Monitoring.


Modal SRU FO

Temperature Range

(Analog sub-range adjustable)
350°C. 2000°C
Transmitivity 0.1….1.0 adjustable
Emissivity (ε) 0.01….1.5 adjustable
Response Time 2 msec adjustable upto 10 sec (for Analog)
Accuracy ± 0.25% of the measured value + 1°C
Repeatability 0.1% of reading in °C + 1°C
Analog Output 0-20mA, 4-20mA (User selectable)
Digital Output RS-485
Operating Temp. Range

Pyrometer 0°C…….70°C

Optical head and Fibre Optic Cable upto 250°C
Storage Temp. Range -20°C…70°C
Weight & Dimensions Length=133 x 156.60(mm)


Key Features

  • Two Channel for measurement of Refractory, Gas Temperatures and smart hybrid temperature
  • Explosion-Proof Certification II 2G Ex db IIC +H2 T3, IECEx, ATEX, FM (US and CDN)
  • Fast Response Time : 2ms to 10Sec. (Analog)
  • Fiber Optic Cable withstand up to 250˚C ambient
  • Wide Temperature range: 350°C to 2000°C


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