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  • Not what I expected

    posted by trevorhancock on 11/21/2012
    7

    Involvement:Expert (understands the inner workings) - Ownership:1 week to 1 month

    Pros:

    It works, it looks strong and professional. It reads as an RTD should.

    Cons:

    The only Con is that it is an RTD not a thermocouple. My multimeter reads thermocouples and displays in degrees, it also reads resistance but I have to calculate the temperature or build an interface to convert, that would be fun but not what I had in mind for this sensor.
    There is an air gap between the sensor and the protective sheath that would slow the response time. (not really that important in a pizza oven)

    OtherThoughts:

    I ordered this as a thermocouple as indicated by the description on the product page. It is a temperature sensor, and probably a better one than a thermocouple but it is an RTD not a thermocouple. More research next time.

    Bottomline:

    Platinum RTDs are a very linear and repeatable sensor so if you need an RTD then buy this one. I have not plotted its linearity or checked its temperature coefficient so I cannot comment on its quality.

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