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Optris Bottom up Glass Inspection System (GIS)
New Glass Inspection System (GIS) from Optris, infrared temperature measurement in the production of Low-E glass.
New
With the new Glass Inspection System (GIS) from Optris, there is a new way for infrared temperature measurement in the production of Low-E glass. This makes it possible to quickly detect differences in temperature, avoiding rejections and allowing automatic quality control. Low-emission glass presents a major challenge for infrared equipment that traditionally measures the glass temperature from above when the windows are removed from the oven.
The combination of two VGA infrared cameras with a maximum field of view of 1110 results in an excellent 1600 pixels lines scan resolution and a maximum scanning width of 4.3 meters.
An ultra-fast CTlaser 4M pyrometer with 90 µs exposure, combined with the Digitally Controlled Lens Protection System (DCLP), is a reliable protection mechanism of both infrared cameras in the event of glass breakage. In addition, automatic emissivity corrections are made for standard and low-E glass. This system has been specially developed for process control in glass-hardening machines.
Important Specifications:
- Compact bottom up system for bottom up measurement which coating operates independently
- Integrated ultra-fast glass breakage detection combined with a digitally controlled lens protection system (DCLP) eliminating the need for additional air purification
- Glass surface calculation
- Pre-assembled system for easy installation on glass curing furnaces
- Automatic scan line adjustment – impervious to disturbances
Also read this article from: Glas in Beeld
Technical specifications
Scope of supply Bottom up glass inspection system:
• Either PI 640i G7 imager with 90° or 60° FOV imager or PI 450i G7 imager with 80° or 53° FOV
• 2x Industrial Process Interface
• CTlaser 4ML glass breakage sensor with USB interface
• 2x DCLP Shutter system with mounting brackets for imagers
• 2x USB Server Gigabit
• Control cabinet with cable set (10 m each) and remote control box
• Software package
• 100-230 V AC/ 24 V DC power supply for initial start-up
Technical details optris PI 450i G7 / 640i G7
• Scope of supply:
USB camera incl. 1 lens,
USB cable (1 m),
table tripod,
PIF cable incl. terminal block (1 m),
software package optris PIX Connect,
Rugged outdoor transport case (IP67)
• Detector: (FPA, uncooled)
PI 450i G7: 17 µm x 17 µm
PI 640i G7: 17 μm x 17 μm
• Optical resolution:
PI 450i G7: 382 x 288 pixels
PI 640i G7: 640 x 480 pixels
• Spectral range: 7.9 µm
• Measurement ranges:
150 °C to 900 °C
200 °C to 1,500 °C
• Sighting range: 0 °C to 250 °C
• Frame rate:
PI 450i G7: 80 Hz/ switchable to 27 Hz
PI 640i G7: 32 Hz / 125 Hz @ 640 x 120 pixels
• Optics (FOV) PI 450i G7:
53° x 38° FOV / f = 7,7 mm or
80° x 54° FOV / f = 5,7 mm
• Optics (FOV) PI 640i G7:
60° x 45° FOV / f = 10.5 mm or
90° x 64° FOV / f = 7.7 mm
• PI 450i G7: Thermal sensitivity (NETD) at Tobj= 650 °C: 150 mK
PI 640i G7: Thermal sensitivity (NETD) at Tobj= 650 °C: 80 mK
• System accuracy (at ambient temperature 23 ± 5°C): ±2 °C or ±2 %
• 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 inputs, digital input (max. 24 V), 3x 0-10V outputs, 3x relay (0-30 V/ 400 mA), fail-safe relay
• Ambient temperature (TAmb):
PI 450i G7: 0 °C...70 °C
PI 640i G7: 0 °C...50 °C
• Storage temperature:
PI 450i G7: -40 °C...85 °C
PI 640i G7: -40 °C...85 °C
• Relative humidity: 10 - 95 %, non-condensing
• Enclosure (size / rating):
PI 450i G7: 46 mm x 56 mm x 68 - 77 mm (depending on lens + focus position) / IP 67 (NEMA 4)
PI 640i G7: 46 mm x 56 mm x 76 - 100 mm (depending on lens + focus position) / IP 67 (NEMA 4)
• Weight:
PI 450i G7: 237 - 251 g (depending on lens)
PI 640i G7: 269 - 340 g (depending on lens)
• Shock / vibration:
PI 450i G7: 25G und 50G, IEC 68-2-27 / IEC 68-2-6 (sinus shaped), IEC 68-2-64 (broadband noise)
PI 640i G7: 25G und 50G, IEC 68-2-27 / IEC 68-2-6 (sinus shaped), IEC 68-2-64 (broadband noise)
• Tripod mount: 1/4-20 UNC
• Power supply: USB powered
Technical Details of the optris CTlaser 4M
• Temperature range1) (scalable via software):'
0°C ... 500°C (4ML)
• Spectral range: 2.2 – 6 μm
• Optical resolution (90% energy):
30:1 (4ML)
• System accuracy2) (at Tamb= 23 ± 5°C): ± (0.3% of reading + 2°C)
• Repeatability (at Tamb = 23 ± 5°C): ± (0.1% of reading + 1°C)
• NETD: 120 mK
• Exposure time (90% signal)3): 90 μs
• 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
• Environmental rating: IP 65 (NEMA-4)
• Ambient temperature:
sensing head: -20°C ... 70°C (sensing head, 50°C with laser ON)
electronics: -20°C ... 70°C (electronics)
• Storage temperature:
sensing head: -40°C ... 85°C (sensing head)
electronics: -40°C ... 85°C (electronics)
• 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:
sensing head: 600 g
electronics: 420 g
• Outputs / analog: 0/4 - 20 mA, 0-5/10 V, thermocouple K, alarm
• Output / alarm: 24 V / 50 mA (open collector)
• Relay (optional): 2 x 60 V DC/42 V ACeff; 0.4 A; optically isolated
• Outputs/ digital (optional):
built-in USB-interface
Optional: RS232, RS485, Ethernet
• Output impedances:
mA max. 500 Ω (with 5 - 36 V DC)
mV min. 100 kΩ load impedance
thermocouple 20 Ω
• I/O Pins (3x): flexible programming as in- or output: external emissivity adjustment, ambient temperature
compensation, uncommitted value, trigger (reset of hold functions), alarm output (open collector 24 V/50 mA)
• 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