APPLICATION GUIDANCE

Glass Industry

An infrared temperature sensor should be chosen depending on factors including the type of target, its thickness, the desired depth of measurement and the temperature range.

For example, a 5-micron PyroSight Series sensor could be used to measure just below the surface of panes, bottles and other thin-wall glass, and a shorter-wavelength sensor from this or the PRO40 or 50 Series could be used where the target is thicker and the required measurement depth is greater. In high-temperature cases where deep measurements are required, the dual-wavelength PRO80 and 90 Series may be used.

The 7.9-micron sensors in the PyroSight Series should be used for surface temperature measurement with no reflectance.

Detailed application notes: IR temperature measurement in the glass industry (PDF)

Suggested Products

PyroSight

• Glass surface temperature

• 30°C upwards

View the data sheet

PyroSight models PS20-LT-5.0 and PS20-HT-5.0 are suitable for surface temperature measurement at temperatures of 95°C and above in most glass applications. 7.9-micron models are also suitable for measuring temperatures of 30°C upwards. The built-in controls offer simple configuration, and the optional Interface Module provides digital communications.
PRO 80 and 90

• Glass stream and gob

• Measures below surface

View the data sheet

PRO 80 and PRO 90 dual-wavelength sensors may be used to measure molten glass stream temperature. Wavelengths measured are short, so the sensor can see into the middle of the glass stream, and the emissivity-cancelling effect of the dual-wavelength measurement system ensures high accuracy.

PRO 40 and 50

• Rugged industrial sensor

• Specialised hot slug detector available

View the data sheet

PRO 40 and PRO 50 sensors may be used in place of the PyroSight in especially harsh environments. Specialised models are available for applications such as hot slug detection in fibreglass insulation production.

For assistance in choosing the most suitable sensor for your application, please contact Calex.