optris Glass Brochure
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Catalog excerpts

optris Glass Brochure - 1

Production Quality Assurance Research & Development Test & Measurement NON-CONTACT TEMPERATURE MEASUREMENT GLASS INDUSTRY when temperature matters

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Glass industry Environmental influences The illustration shows that the transmissivity of air strongly depends on the wavelength. Strong attenuation alternates with areas of high transmissivity – the so-called atmospheric windows. The transmissivity in the longwave atmospheric window (8 – 14 µm) is constantly high whereas there are measurable alleviations by the atmosphere in the shortwave area, which may lead to false results. Typical measuring windows are 1.1 … 1.7 µm, 2 … 2.5 µm and 3 … 5 µm. TObjn TAmbn Sensor Absorption Compensating ambient influences Emissivity and temperature...

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when temperature matters Temperature measurement of glass Line scan with compact infrared camera Optris infrared cameras are delivered with licensefree PIX Connect software. The software enables the cameras to operate as line scan cameras. Line scanners are traditionally used in the glass industry for various measurement procedures. In these devices, a point detector is coupled with a rotating mirror to consequently generate a linear optical scan of the object. These devices are bulky and expensive. Additionally, a high manual effort is required for setup. Hot spot detection in glass bottle...

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Applications of Temperature measurement technology PRODUCTION OF GLASS Production optimization in the float glass process After the tin bath, the flat glass band has a temperature of about 600 °C; the first infrared camera in line scan mode is applied for temperature monitoring at the transition to the cooling zone. The glass is transported through different cooling sections where at several points infrared cameras are installed to observe the whole process and to ensure an optimal quality. Thermal image of the endless float glass during cooling process created by an infrared camera...

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© AdobeStock / noprati somchit when temperature matters with line scan mode Ensuring the quality of laminated safety glass Laminated safety glass (LSG) consists of at least two flat panes of glass, which are laminated in a clean room with a sheet of PVB film between them. The temperature of the film can be monitored with infrared thermometers. In the pre-heating furnace, the glass panes are heated in order to melt the film and simultaneously press the “sandwich” together, to prevent air pockets. During the transition to the autoclaves, the temperature distribution is monitored with an...

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Container Glass Production GOB MEASUREMENT Continuous control during the production of container glass Container glass, meaning for example bottles in all sizes and shapes, must be repeatedly monitored for its process- relevant temperature during the production process. When the molten glass exits through the feeder, the glass strand is cut. The thereby resulting molten glass gobs must have a temperature of about 1000 °C to ensure quality. Infrared thermometers and cameras with a short wavelength spectral response of 1 µm enable to measure the core temperature of the gob. With the...

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Top–Down Glass Inspection System when temperature matters TEMPERING OF GLASS SHEETS Solutions for low-E glass tempering All kinds of glass, coated and uncoated, change their emissivity behavior in dependency of the angle of view. Especially low-E coatings show an unusual behavior. For a reliable and reproducible temperature measurement a referencing from underneath (uncoated glass surface) is necessary. Features • Top down system with additional reference pyrometer from underneath for automatic emissivity correction Temperature monitoring of glass sheets in a tempering machine • Digitally...

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Industry-specific measuring instruments SPECIAL WAVELENGTH RANGES The IR thermometer’s stainless steel measuring head is extremely small and can be employed in ambient temperatures of up to 85 °C without additional cooling. The temperature range is from 100 °C to 1650 °C. optris CT G5 Due to its special spectral range of 5.0 µm, the pyrometer optris CT G5 is perfectly suited for the measurement of glass temperatures, e.g. during container glass production and vehicle glass production. The infrared thermometer optris CTlaser G5 allows the temperature measurement of smallest objects of 1 mm...

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when temperature matters The infrared thermometer optris CTlaser 1M / 2M offers a special measuring wavelength and allows precise and quick measurement of temperatures from 200 °C up to 1650 °C. optris CTlaser 1M / 2M The spectral response of 1.0 µm or 1.6 µm makes the CTlaser 1M / 2M ideal to measure deeper layers of glass. It is perfectly suited to measure temperature of glass in the melting furnace or the gob temperature in container glass production lines. The infrared thermometer optris CTlaser G7 is perfectly suited for precise temperature measurement of ultra-thin glass surfaces. It...

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Glass industry AIR PURGE LAMINAR Air purge for rugged environments The air purge unit complements the reliable CoolingJacket Advanced (water cooling housing) for use in harsh environments. The system can be used at ambient temperatures of up to 315 °C. An integrated, infrared-transmittive special window protects the optics of the camera or sensor on the one hand and, on the other hand, enables an optimal laminar air flow. The air purge design has been optimized by extensive tests in the Optris in-house test laboratory. Practically the turbulence-free laminar air streaming leads to longer...

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optris Glass Brochure - 11

when temperature matters SHUTTER For harsh environments... To protect the optics of the camera, an optional shutter (closing mechanism) can be purchased. It is equipped with a servomotor that can open and close a mechanical lock as needed. The special feature of the shutter is not only the opening and closing, but also the complete seal in the closed state. This ensures that the shutter is completely closed and no dirt can get on the optics. ... and rough industrial surroundings The shutter protects the optics from falling parts within a response time of 100 ms at an ambient temperature up...

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