03/20/2008 • Process automation / MSR technology • Sensor Technology

The new Infrared Thermometer optris CTglass with 5,2µm wave length

The optris CTglass is designed for accurate glass temperature measurements on flat glass lines, container glass machines, in the bulb manufacturing, car glass finishing and the production of solar panels in the temperature range of 100 up to 1650°C.

The measuring wave length of 5,2µm provides a low depth of penetration for the infrared measurement , because the transmission of glass within 5,2µm is very low. With the use of shorter wave length the infrared thermometers would measure through the glass, with a longer wave length reflection effects occur.

The measurement of temperature at critical locations in the process line is essential for an overall control of glass product manufacture.

In container glass manufacturing the operator has to obtain the measurement of gob temperature to observe the ratio between glass viscosity and gob weight. The mould temperature measurement is important for balancing the cooling levels of mould shells.

In sterilisation procedures of glass bottles for pharmaceutical products a certain temperature level control is essential.

A wide field of applications in the production of flat glass, construction glass and automotive glass are measurements in bending, annealing and tempering zones to get a high homogeneity of the whole glass panel.

A very modern field of applications we find in semiconductor processing and the manufacturing of solar cell panels where glass is used beside other materials as a basic substrate.

The double laser aiming of the optris CTglass marks the real spot location and spot size up from 1mm at any distance. This helps in all modern applications where “size of spot matters”.

A robust but yet compact stainless steel sensor head is adaptable to common industrial mountings.

The optics 70:1 with selectable focus provides a smallest spot of 1mm, the smallest spot of competitors is 2,5mm in this class of devices.

The optris CTglass is usable up to 85°C ambient temperature without cooling and has an automatic laser switch off at 50°C. Cooling and protection accessories for harsh environmental conditions are available.
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Optris GmbH

Ferdinand-Buisson-Str. 14
13127 Berlin

Phone: +49 (0)30/ 500197- 0
Fax: +49 (0) 30/ 500197- 10