FIELD: instrument engineering.
SUBSTANCE: temperature detector has case and flexible prod with temperature-sensitive element disposed in bent sleeve. Length of sleeve exceeds radius of tube. Flexible prod connects electronic circuit, disposed in case of detector, with temperature-sensitive element, disposed onto axis of tube. Sleeve is either welded into tube or it has to be removable; in the last case it is sealed by means of gasket and nut. According to version of the invention, sleeve is bent in such a way that it crosses axis of tube more than once. Temperature-sensitive crystal resonator is used as temperature-sensitive element.
EFFECT: reduced errors of measurement.
4 cl, 1 dwg
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