RTD Data Loggers

Large selection of RTD data loggers. 2 to 48 inputs stand-alone and mixed-input models with USB, serial, WiFi, Bluetooth options. For stable, precise high-accuracy temperature measurements for a variety of industrial applications.

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RTD data loggers, or resistance temperature detector (RTD) data loggers, are suitable for use with resistance temperature detector sensors. These sensors provide improved temperature measurement accuracy over thermocouples but have a more narrow temperature measurement range.

An RTD works by changing resistance in a very predictable way in proportion to changes in temperature. There are several different “curves” that define the resistance vs. temperature characteristic so it is important to make sure that the data logger supports the correct calibration curve for the sensor being used. Also, some loggers support 2, 3, or 4 wire RTDs that allow for compensation for the effects of the resistance of the lead wires for more accurate measurements.

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