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  • Forum Post: Re: XTR105 with RTD application(PT100)

    Patrick Galvin
    Hello, Looking in the XTR105 datasheet, you will find some calculations on pages 7-8 that should help you for either 2-wire or 3-wire configuration. Page 8 of the datasheet shows calculation of PT100 resistance values for given temperatures, which in this case (0C and 100C) would be 100ohms and 138...
    on Apr 2, 2010

  • Forum Post: searching for temperature sensor

    swapnil katre
    hi i am designing a project in which i have to measure the boiling temperature of water in a factory. i searched in TI i could get all TMP series diode based temperature sensor. well i cannot put this sensor in the water or keep it near it... so is there any other smart device made by TI which i can...
    on Oct 28, 2010

  • Forum Post: Re: Temperature Sensors for monitoring ambient temperatures for humans

    Neil Albaugh
    Hank; You might try something as simple as a glass-encapsulated thermistor sensor and a bank of window comparators. Glass-encapsulated thermistors are rated to +300C (572F) and will probably survive short-term exposures to somewhat higher than that. See http://www.ussensor.com/prod_DO-41_std.htm and...
    on Jun 3, 2011

  • Forum Post: Re: 0.01 accuracy 4 wire PT100 measurement

    Neil Albaugh
    Alex; Before going too far in your circuit design, make sure that there are RTDs available on the market that will meet your accuracy requirements. Even a Class A RTD cannot meet your 0.01% accuracy goal. See : http://www.thermometricscorp.com/acstan.html
    on Jun 12, 2011

  • Forum Post: Re: Temperature sensor for measuring human body temperature

    Neil Albaugh
    Satish; A properly-selected thermistor can give you good accuracy in the temperature range that you need and they have a far greater output than an RTD.
    on Jun 24, 2011

  • Forum Post: Re: Temperature sensor for measuring human body temperature

    Ian Williams
    Satish, An RTD or thermistor will do a good job of measuring the temperature of whichever surface it is in contact with. If that surface is the skin on a human's body, then that temperature will be accurately reported (within the accuracy and linearity limitations of the sensor, of course). If skin...
    on Jun 24, 2011

  • Forum Post: Re: PT100 circuitry(ADS1247/48)

    Ian Williams
    Hello Anand, The ADS1247 is perfectly suited for use with PT100 RTDs. Three-wire or four-wire connections are simply ways of improving the accuracy of a resistance measurement by cancelling the resistance of the wires used to make the measurement. This is an issue because resistance measurements are...
    on Feb 9, 2012

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