With the new glass inspection system from Optris, there is a new approach to temperature measurement in the production of low-e glass. Low emissivity glass poses a major challenge for infrared devices which are traditionally measuring the glass temperature from above when the panes moved out of the furnace during production.

The new Bottom up glass inspection system solves this problem by having two infrared imagers installed underneath the tempering line which measure the temperature on the non-coated high emissivity side of the glass.

The combination of two VGA imagers with a maximum field of view of 111° results in an excellent 1600 pixels scan line resolution on maximum 4,3 m scan width.

An ultra-fast CTlaser 4M pyrometer with 90 µs exposure time combined with the digitally controlled lens protection system (DCLP) is a reliable safeguard for both infrared cameras in case of glass breakage.

Important specifications
• Compact bottom up system for coating independent underneath measurement
• Integrated ultra-fast glass breakage detection combined with Digitally controlled lens protection system (DCLP)
• Pre-assembled system for easy installation on glass tempering furnaces
• Glass area calculation

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

Parameter Name	Parameter Value
Technology	infrared camera
Applications	for the glass industry for coating
Type	measurement glass surface