Platinum thermal resistance temperature sensor
The utility model provides a platinum thermal resistance temperature sensor which comprises a platinum thermal resistor 1, a protective tube 2, a mounting base 5, a connector 8 and a signal transmission cable 9. The tail portion of the protective tube 2 is tightly welded with the mounting base 5. Th...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The utility model provides a platinum thermal resistance temperature sensor which comprises a platinum thermal resistor 1, a protective tube 2, a mounting base 5, a connector 8 and a signal transmission cable 9. The tail portion of the protective tube 2 is tightly welded with the mounting base 5. The platinum thermal resistor 1 is located inside the protective tube 2 and close to the head portion of the protective tube 2. One end of the signal transmission cable 9 is welded with the platinum thermal resistor 1, and the other end of the signal transmission cable 9 penetrates through the mounting base 5 and extends outside the connector 8. The signal transmission cable 9 comprises core wires and an insulating sleeve which wraps the core wires. The insulating sleeve is in a two-section structure, wherein one section located inside the protective tube 2 is a Teflon heat-shrinkable sleeve 4, and the other section is a low smoke zero halogen flam-retarding sleeve. A fluororubber heat-shrinkable sleeve 7 is disposed |
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