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Applications

Temperature monitoring in the glass industry

Glass has been a mainstay of human life for centuries. Be it in the form of jewelry, the facades of buildings, or drinking containers, it comes in every size, shape and color imaginable. The most translucent material places very specific demands on non-contact temperature measuring technology.

As described in detail in our Infrared Basics brochure, reflection and transmittance are serious considerations. Depending on whether one is measuring the surface temperature of the glass, or the temperature within the glass itself, specific infrared thermometers or thermal imaging cameras are recommended by Optris.
The application articles for the use of the G7 series infrared cameras as line scan cameras in glass tempering facilities can be found here.

Below you will find a number of areas of application and the respective product solution.

Process control during glass tempering

Temperature monitoring during glass tempering processes

With the new glass inspection system, temperature differences during glass tempering processes can be quickly detected,
avoiding rejects and providing automatic quality monitoring.

Recommended devices:
Infrared thermometer CT G5L and infrared camera PI 640i

Download application overview:
Glass inspection system for process control in glass tempering machines

 

Area measurement

Temperature monitoring flatt glass production

Thermal imaging cameras are always used when temperature values within an area need to be monitored, for example in the manufacturing of sheet glass.

Recommended devices:
Thermal imager optris G7 series

Download: Application overview:
Temperature measurement in der Glass industry

 

Measurement of moving objects

Temperature monitoring in the glass industry - bottling plant

Likewise, infrared cameras are used when measurement objects are in motion, for example in the industrial production of glass beads or in packaging and filling plants which have a high output. When the objects always move within an orbit and are only to be measured at individual points instead of across the entire area, an infrared thermometer with high measurement speeds can also be used.

Recommended device:
Thermal imager optris Xi 400 or Pyrometer optris CTfast LT

Download application overview:
Temperature measurement in der Glass industry

 

Measurement in confined spaces

In practice, there is often only a very restricted space available for sensors, for example when they are being integrated into machines or systems. For this job there is a specially developed compact series glass pyrometer available.

Recommended device:
Infrared thermometer optris CT G5

Download application overview:
Temperature measurement in the glasss industry

 

Measurement of very small objects

Temperature monitoring laboratory glassware

IR thermometers enable the measurement of the smallest objects from 1mm in size at a distance of 70 mm. Corresponding special developments for the glass industry enable the precise measurement of glass surfaces, for example in the manufacturing of laboratory glassware.

Recommended device:
Infrared thermometer CTlaser G5 or CSlaser G5HF

Download application overview:
Temperature measurement in the glass industry

 

Measurement through glass

Pyrometers with a special measurement wavelength of 3.9 µm are suited for precise temperature measurement between 200 °C and 1,650 °C through flames and glass. Non-contact IR thermometers are used for the measurement of workpieces in ovens through flames, as well as for the continual temperature monitoring of brickwork in furnaces.

Recommended device:
Infrared thermometer CTlaser MT

Download application overview:
Temperature measurement in the glass industry

 

Measurement in hot surroundings

For the harshest conditions in the high temperature field, an infrared thermometer has been developed that can operate without additional cooling at ambient temperatures of up to 250 °C. This can be used in ovens and in closed chambers.

Recommended device:
Infrared thermometer CThot LT

Download application overview:
Temperature measurement in the glass industry