Temperature Measurement


Ratio pyrometer for high temperatures

May 2023 Temperature Measurement

Infrared pyrometers must meet high demands, especially in metallurgy, where they are often used under harsh conditions, and must deliver reliable results at any time. Smoke, steam or dust often impede a clear view of the measured object and affect the measurement signal. In these conditions, ratio pyrometers provide stable measured values compared to single-channel pyrometers, even with dirty optics or objects that move within the measuring field, such as metal rods or wires.

The new CSvision series from Optris creates an easy-to-use solution. The pyrometers are equipped with the innovative Smart Ratio Mode and can master challenging applications with variable emissivity ratios. The built-in video sight and the motorised focus, which can be operated via software or app, allow the CSvision novelties to be focused very conveniently on the respective object. The switchable two-stage brightness reduction filter ensures optimum viewing conditions, even with very hot, bright objects. Together with the crosshair laser, which is also standard, this ensures simple sensor alignment under all conditions.

The CSvision R1M offers an optical resolution of up to 150:1 and a measuring range of 600 to 3000°C, with a spectral range of 0,8 to 1,1 μm in harsh industrial environments up to 65°C, without cooling. The R2M has an optical resolution of 75:1 and a spectral range of 1,45 to 1,75 μm. This allows temperatures to be measured from as low as 300 to 1400°C (up to 60 °C without cooling).


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