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IR thermometer optris CTlaser G7 for temperature measurement of glass surfaces

The infrared thermometer optris CTlaser G7 is perfectly suited for precise temperature measurement of ultra-thin glass surfaces. It offers a broad temperature range from 100 °C up to 1200 °C and can be employed in temperatures of up to 85°C without additional cooling.

The IR thermometer for measurements of plastic foils and glass temperatures is capable of targeting smallest objects of 1.6 mm (0.06 in) in a distance of 70 mm (2.76 in). Its standardized two-wire interface additionally allows for a reliable transfer of measurement data and easy integration into a PLC.

Important specifications

  • Temperature range:
    100°C to 1200°C
  • Spectral range: 7.9 µm
  • Response time: 150 ms
  • Starting at 785

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Technical Details of the optris CTlaser G7

 

Measurement Specifications

 

  • Temperature range (scalable via programming keys or software): 100°C ... 1200°C
  • Spectral range: 7.9 µm
  • Optical resolution (90% energy): 45:1
  • System accuracy1) (at Tamb= 23 ± 5°C): ± 1% or ± 1,5°C2)
  • Repeatability (at Tamb = 23 ± 5°C): ±0.5% or ±0.5°C2)
  • Temperature resolution (digital): 0.5 K
  • Exposure time (90% signal)3): 150 ms
  • 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

 

General Specifications

 

  • Environmental rating: IP 65 (NEMA-4)
  • Ambient temperature: 
    sensing head: -20°C ... 85°C (50°C with laser ON)
    electronics: -20°C ... 85°C
  • Storage temperature:
    sensing head: -40°C to 85°C
    electronics: -40°C to 85°C
  • Relative humidity: 10 - 95%, non condensing
  • Vibration (sensor): IEC 68-2-6: 3 G, 11-200 Hz, any axis
  • Shock (sensor): IEC 68-2-27: 50 G, 11 ms, any axis
  • Weight:
    sensing head: 600 g
    electronics: 420 g

 

Electrical Specifications

 

  • Outputs / analog: 0/4 - 20 mA, 0 - 5/10 V, thermocouple J, K
  • Output / alarm: 24 V / 50 mA (open collector)
  • Optional: relay: 2 x 60 V DC/42 V ACeff; 0.4 A; optically isolated
  • Outputs / digital (optional): USB, RS232, RS485, CAN, Profibus DP, Ethernet
  • Output impedances:

    mA max. 500 Ω (with 5 - 36 V DC)
    mV min. 100 kΩ load impedance
    thermocouple 20 Ω

  • Inputs: programmable functional inputs for external emissivity adjustment, ambient temperature compensation, trigger (reset of hold functions)
  • Cable length: 3 m (standard), 8 m, 15 m
  • Power supply: 8-36 V DC
  • Current draw: max. 160 mA
  • Laser 635 nm: 1mW, ON/OFF via electronic box or software

 

Versions

 

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

  • OPTCTLG7: 100-1200°C / 7.9 μm / 45:1 / 150 ms

1) ε = 1, response time 1 s
2) whichever is greater
2) with dynamic adaptation at low signal levels

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Areas of application for the infrared thermometer optris CTlaser G7

Due to its spectral region of 7.9 µm the two-part IR thermometer optris CTlaser G7 is optimally suited for accurate temperature measurement during the production of ultra-thin glass used for touch displays of smartphones, tablets etc..

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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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