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Glass inspection system for process control in glass tempering machines
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With the new glass inspection system, temperature differences during glass hardening processes can be quickly detected, thus avoiding rejects and providing automatic quality monitoring.

The Top Down GIS 640 R system with temperature referencing by means of a sensor from below as well as automatic emissivity correction for standard and low-E glasses was specially developed for process control in glass tempering machines.

  • Digitally controlled lens protection system (DCLP) avoids
    extra air purging
  • Glass area calculation
  • Pre-assembled system for easy installation on glass
    tempering furnaces
  • Automatic scan line adjustment – insensitive to distortions

Applications

The Top Down glass inspection system was specially developed for process control in glass tempering machines.

Software

All IR cameras are delivered with the thermography software optris PIX Connect, which has been developed specifically for the extensive documentation and analysis of thermal images. It allows you to analyse temperature data in real time as well as the remote control of your infrared camera. Furthermore, you can setup individual alarm levels for your process and define visual or acustic alarm signals.

Our thermography software is licence free and can easily be adjusted to your requirements. 

All optris infrared cameras are compatible with the Data Aquisition (DAQ)

Scope of supply Top Down GIS 640 R:

• PI 640i imager with 60° or 90° FOV
• Industrial Process Interface
• CT G5L reference sensor with USB interface and calibration certificate
• DCLP Shutter system with mounting brackets for imager and reference sensor
• USB Server Gigabit
• Control cabinet
• Cable set
• Remote control box
• Software package
• 100-230 V AC/ 24 V DC power supply for initial start-up

Technical Specifications of the optris PI 640i

  • Detector: FPA, uncooled (17 µm x 17 µm)
  • Optical resolution: 640x480 pixel
  • Spectral range: 8 - 14 µm
  • Temperature ranges:

    -20 °C...100 °C
    0 °C...250 °C
    150 °C...900 °C
    additional range: 200 °C...1500 °C (option)

  • Frame rate: 32 Hz
  • Optics: 
    60° x 45° FOV / f = 10.5 mm or
    90° x 64° FOV / f = 7.7 mm
  • Thermal sensitivity (NETD): 40 mK
  • System accuracy (at ambient temperature 23 ± 5°C): ±2 °C or ±2 %
  • Ambient derating: ± 0,05 %/K 1)
  • PC interface: USB 2.0
  • Process interface (PIF):
    Standard PIF: 0-10 V input, digital input (max. 24V), 0-10 V output
    Industrial PIF: 2x 0 – 10 V input, digital input (max. 24 V),
    3x 0/4-20 mA output, 3x relay (0 – 30 V/ 400 mA), fail-safe relay
  • Ambient temperature (TAmb): 0°C...50°C
  • Storage temperature: -40°C...85°C
  • Relative humidity: 10 - 95 %, non-condensing
  • Enclosure (size / rating): 46 mm x 56 mm x 90 mm / IP 67 (NEMA 4)
  • Weight: 269 - 340 g (depending on lens)
  • Shock: IEC 60068-2-27 (25G and 50G)
  • Vibration:IEC 60068-2-6 (sinus shaped), IEC 60068-2-64 (broadband noise)
  • Tripod mount: 1/4-20 UNC
  • Power supply: USB powered

Technical Specifications of the optris CT G5L

  • Temperature ranges1) (scalable via programming keys or software):
    100°C ... 1200°C (G5L)
  • Spectral range: 5.0 µm
  • Optical resolution (90% energy): 
    10:1 (G5L)
  • System accuracy (at ambient temperature 23 ± 5°C): ±1% or ±2°C1)
  • Repeatability (at ambient temperature 23 ± 5°C): ± 0.5% or ± 0.5°C1)
  • Temperature resolution (NETD): 
    0.1 K (G5L)
  • Response time (90% Signal):
    120 ms (G5L)
  • 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