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You are here: Optris GLOBALProductsInfrared thermometersHigh Performance SeriesCSlaser G5HF for Glass


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IR thermometer optris CSlaser G5 HF for temperature measurement of glass surfaces

The infrared thermometer optris CSlaser G5 HF has been specifically designed for temperature measurement of flat glass, container glass, lightbulbs, vehicle glass, and solar cells.

Its standardized two-wire interface provides a reliable measuring data transmission and allows for an easy integration of the temperature sensors into a Siemens PLC. The IR thermometer is additionally equipped with an innovative double laser visor for a precise marking of the measuring spot. A variety of optics ensures high adaptability with diverse applications.

Important specifications

  • Temperature range:
    200°C to 1,650°C
  • Spectral range: 5 µm
  • Response time: 30 ms
  • Starting at 705 €

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Technical Details of the optris CSlaser G5 HF


Measurement Specifications


  • Temperature range (scalable via software):  200°C ... 1,650°C
  • Spectral range: 5 µm
  • Optical resolution (90% energy): 45:1
  • System accuracy (at Tamb = 23 ± 5°C): ± 1% or ± 1,5°C1)
  • Repeatability (at Tamb = 23 ± 5°C): ± 0.5% or ± 0.5°C1)
  • Temperature resolution: 0.1 K
  • Response time (90% signal): 30 ms
  • Emissivity / Gain (adjustable via sensor or software): 0.100 - 1.100
  • IR window correction (adjustable via software): 0.100 - 1.000
  • Signal processing (parameter adjustable via software): 
    peak hold, valley hold, average, extended hold function with threshold and hysteresis


General Specifications


  • Environmental rating: IP 65 (NEMA-4) front mountable at vacuum processes (up to 10-3 mbar)
  • Ambient temperature: -20°C ... 85°C (50°C with laser ON)
  • Storage temperature: -40°C ... 85°C
  • Relative humidity: 10 - 95%, non condensing
  • Vibration: IEC 60068-2-6 (sinus shaped), IEC 60068-2-64 (broadband noise)
  • Shock: IEC 60068-2-27 (25G and 50G)
  • Weight: 600 g


Electrical Specifications


  • Output / analog: 4-20 mA
  • Loop resistance: max. 1000 Ω2)
  • Output / alarm: 0-30 V/500 mA (open collector)
  • Output/ digital: uni- / bidirectional, 9.6 kBaud, 0/3 V digital level / USB optional
  • Cable length: 3 m, 8 m, 15 m
  • Power supply: 5-30 V DC
  • Current draw: 
    45 mA at 5 V
    20 mA at 12 V
    12 mA at 24 V




Part number: temperature range / spectral range / optics / response time

  • OPTCSLG5HF: 200-1,650°C / 5 μm / 45:1 / 30 ms

1) whichever is greater
2) in dependence on supply voltage

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Areas of application for the infrared thermometer CS laser G5 HF

The IR thermometer CSlaser G5 HF, with a spectral range of 5.0 µm has been designed for temperature measurement of glass surfaces. The pyrometer is highly popular in the production of flat glass, vehicle glass and even solar cells and constantly provides exact and reliable results.

In temperature controls during the production of laboratory glass equipment or glass bottles the glass thermometer plays an important role as well.

Product configurator

Infrared software optris Compact Connect included

The temperature analysis software optris Compact Connect has been developed specifically for the extensive documentation and analysis of temperature measurement data of our stationary infrared thermometers. It is license-free and included in every pyrometer shipment.    

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