{"product_id":"adafruit-pt100-rtd-temperature-sensor-amplifier-max31865","title":"Adafruit PT100 RTD Temperature Sensor Amplifier - MAX31865","description":"\u003cp\u003eFor precision temperature sensing, nothing beats a Platinum RTD. Resistance temperature detectors (RTDs) are temperature sensors that contain a resistor that changes resistance value as its temperature changes, basically a kind of thermistor.\u003c\/p\u003e\u003cp\u003eIn this resistance sensor, the resistor is actually a small strip of Platinum with a resistance of 100 ohms at 0°C, thus the name PT100. You can also use this sensor to measure any kind of variable resistor that has about 100 ohm of resistance (but can range from half to double that)\u003c\/p\u003e\u003cp\u003eCompared to most NTC\/PTC thermistors, the PT type of RTD is much most stable and precise (but also more expensive) PT100's have been used for many years to measure temperature in laboratory and industrial processes, and have developed a reputation for accuracy (better than thermocouples), repeatability, and stability.\u003c\/p\u003e\u003cp\u003eHowever, to get that precision and accuracy out of your PT100 RTD you must use an amplifier that is designed to read the low resistance. Better yet, have an amplifier that can automatically adjust and compensate for the resistance of the connecting wires. If you're looking for a great RTD sensor, today is your lucky day because we have a lovely \u003cstrong\u003eAdafruit RTD Sensor Amplifier with the MAX31865\u003c\/strong\u003e breakout \u003cstrong\u003efor use with any 2, 3 or 4 wire PT100 RTD!\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eIf you have a \u003cstrong\u003ePT1000 RTD\u003c\/strong\u003e, please visit this page to purchase a version of this board with the reference resistor for 1000-ohm RTDs\u003c\/p\u003e\u003cp\u003eWe've carried various MAXIM thermocouple amplifiers and they're great - but thermocouples don't have the best accuracy or precision, for when the readings must be as good as can be. The MAX31865 handles all of your RTD needs, and can even compensate 3 or 4 wire RTDs for better accuracy. Connect to it with any microcontroller over SPI and read out the resistance ratio from the internal ADC. We put a \u003cstrong\u003e430Ω 0.1%\u003c\/strong\u003e resistor as a reference resistor on the breakout. We have some example code that will calculate the temperature based on the resistance for you.\u003c\/p\u003e\u003cp\u003eWe even made the breakout 5V compliant, with a 3.3V regulator and level shifting, so you can use it with any Arduino or microcontroller.\u003c\/p\u003e\u003cp\u003eEach order comes with one assembled RTD amplifier breakout board. Also comes with two 2-pin terminal blocks (for connecting to the RTD sensor) and pin header (to plug into any breadboard or perfboard). \u003cstrong\u003eA required PT100 RTD is not included!\u003c\/strong\u003e (But we stock them in the shop). Some soldering is required to solder the headers and terminal blocks to the breakout, but it's an easy task with soldering tools.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePlease note: this does not include an RTD sensor! Also, the terminal blocks included with your product may be blue or black\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003cp\u003e \u003c\/p\u003e\u003ch2\u003eTechnical Details\u003c\/h2\u003e\u003cdiv id=\"tab-technical-details-content\" class=\"panel-collapse collapse in\"\u003e \u003cdiv class=\"row\"\u003e \u003cdiv class=\"col-lg-12 col-md-12 col-sm-12 col-xs-12\"\u003e\n\u003cp\u003eDatasheets, PCB CAD files, diagrams, Fritzing object and more in the tutorial\u003c\/p\u003e\n\u003cp\u003eProduct Dimensions: 28.0mm x 25.5mm x 3.0mm \/ 1.1\" x 1.0\" x 0.1\" \u003c\/p\u003e\n\u003cp\u003eProduct Weight: 2.7g \/ 0.1oz \u003c\/p\u003e\n\u003c\/div\u003e \u003c\/div\u003e\n\u003cul id=\"product-files\"\u003e \u003c\/ul\u003e \u003cdiv class=\"row\"\u003e\n\u003cdiv class=\"col-lg-2 col-md-3 col-sm-3 col-xs-4\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"col-lg-2 col-md-3 col-sm-3 col-xs-4\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e \u003c\/div\u003e","brand":"Adafruit","offers":[{"title":"Default Title","offer_id":48620800180446,"sku":"fgm1787257661936","price":9.07,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/0705\/9422\/files\/adafruit-pt100-rtd-temperature-sensor-amplifier---max31865_1.jpg?v=1787257670","url":"https:\/\/primewearfashion.shop\/products\/adafruit-pt100-rtd-temperature-sensor-amplifier-max31865","provider":"My Store","version":"1.0","type":"link"}