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ZX-THERMOMETER



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  • Include NTC thermistor ; R25oC10kohms�3% and B25oC/85oC 3435k �2% with a long wire and a
    WST connector.

  • NTC is coated by black epoxy for water resistance.

  • Connect to INEX microcontroller board via 3-pin JST connector.

  • Output is DC voltage relate with temperature linearity

  • Wide range DC supply voltage +1.8 to +5.0Vdc.

  • 2x4 cm. size.

    Kit contents :
     

  • ZX-THERMISTOR board x 1

  • NTC thermistor with cable x 1

  • JST3AA-8 cable x 1

  • Documentation x 1

    Thermistor is a type of resistor with resistance varying according to its temperature. The word is a portmanteau of thermal and resistor. Samuel Ruben invented the thermistor in 1930, and was awarded U.S. Patent No. 2,021,491. Thermistors are widely used as inrush current limiters, temperature sensors, self-resetting overcurrent protectors, and self-regulating heating elements.

    Thermistors can be classified into two types depending on the sign of k. If k is positive, the resistance increases with increasing temperature, and the device is called a positive temperature coefficient (PTC) thermistor, or posistor. If k is negative, the resistance decreases with increasing temperature, and the device is called a negative temperature coefficient (NTC) thermistor.

    Resistors that are not thermistors are designed to have a k as close to zero as possible, so that their resistance remains nearly constant over a wide temperature range. Thermistors differ from resistance temperature detectors (RTD) in that the material used in a thermistor is generally a ceramic or polymer, while RTDs use pure metals. The temperature response is also different; RTDs are useful over larger temperature ranges, while thermistors typically achieve a higher precision within a limited temperature range.







Last Updated: Thursday, 21 November 2019 23:17