| 摘要 |
An infrared thermometer comprises a detecting portion provided with a waveguide ( 8 ) having a tubular conformation and capable of conveying the infrared radiation emitted from a detecting surface towards a sensor member ( 7 ) housed within the infrared-thermometer holding body; the waveguide has the conformation of a parabola the extension of which increasingly more converges in the direction of the sensor member ( 7 ).
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