{"product_id":"max31865-pt100-pt1000-rtd-to-digital-temperature-sensor-module","title":"MAX31865 PT100\/PT1000 RTD-to-Digital Temperature Sensor Module","description":"\n\u003ch2\u003eMAX31865 PT100\/PT1000 RTD-to-Digital Converter Temperature Sensor Module\u003c\/h2\u003e\n\u003cp\u003eTake your temperature measurement projects to the next level with the \u003cstrong\u003eMAX31865 RTD-to-Digital Converter Module\u003c\/strong\u003e. Designed for makers, engineers, and electronics enthusiasts, this high-precision sensor amplifier module converts PT100 or PT1000 platinum resistance temperature detector (RTD) signals into accurate digital readings — all with minimal setup. Whether you're building an industrial monitoring system, a lab instrument, or a DIY automation project, this module delivers rock-solid accuracy and flexible compatibility. Made in Mainland China.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUltra-High Resolution:\u003c\/strong\u003e 15-bit ADC with a temperature resolution of 0.03125°C for precise, fine-grained readings.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Voltage Compatibility:\u003c\/strong\u003e Operates on 3.0V–5.5V, fully compatible with both 3.3V and 5V microcontrollers (Arduino, Raspberry Pi, ESP32, and more).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSPI Communication:\u003c\/strong\u003e Fast and reliable SPI interface supporting clock speeds up to 5MHz for seamless integration.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eExcellent Accuracy:\u003c\/strong\u003e Maximum measurement error of ±0.5°C (0.05% full scale) across the entire temperature range.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFast Conversion:\u003c\/strong\u003e Maximum conversion time of just 21ms for near real-time temperature data.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRobust Input Protection:\u003c\/strong\u003e ±45V overvoltage protection, plus built-in RTD open-circuit and short-circuit fault detection.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBroad Sensor Support:\u003c\/strong\u003e Compatible with PT100 and PT1000 platinum resistance sensors in 2-wire, 3-wire, or 4-wire configurations.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEasy Installation:\u003c\/strong\u003e Standard 2.54mm pin header and mounting holes — works with breadboards and PCB soldering.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Operating Range:\u003c\/strong\u003e Chip operates from -40°C to +125°C for demanding environments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable style=\"width:100%; border-collapse:collapse;\"\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003cth style=\"padding:8px; border:1px solid #ddd; text-align:left;\"\u003eParameter\u003c\/th\u003e\n\u003cth style=\"padding:8px; border:1px solid #ddd; text-align:left;\"\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003ePower Supply Voltage\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e3.0V – 5.5V\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eOperating Current\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e~1.5mA (typical)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eCommunication Interface\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eSPI (max 5MHz clock)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eADC Resolution\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e15-bit\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eTemperature Resolution\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e0.03125°C\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eMeasurement Accuracy\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eMax ±0.5°C (0.05% full scale)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eConversion Time\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eMax 21ms\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eInput Overvoltage Protection\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e±45V\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eSensor Compatibility\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003ePT100 \/ PT1000, 2\/3\/4-wire\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eChip Operating Temperature\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e-40°C to +125°C\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eConnector\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e2.54mm Pin Header\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eBattery Required\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1× MAX31865 PT100\/PT1000 RTD-to-Digital Converter Temperature Sensor Module\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eColor may vary slightly due to display and lighting differences.\u003c\/li\u003e\n  \u003cli\u003ePlease allow 1mm–1cm dimensional tolerance due to manual measurement.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eLearn More\u003c\/h3\u003e\n\u003cp\u003eFor information on best practices in electronic measurement and sensor calibration, visit the \u003ca href=\"https:\/\/www.nist.gov\/calibrations\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eNational Institute of Standards and Technology (NIST) Calibration Services\u003c\/a\u003e — the authority on measurement accuracy and standards in the US.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Is the MAX31865 module compatible with Arduino and Raspberry Pi?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! The MAX31865 RTD-to-Digital Converter Module supports 3.3V and 5V logic levels, making it fully compatible with Arduino, Raspberry Pi, ESP32, ESP8266, and most popular microcontroller platforms via the SPI communication interface.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What type of RTD sensors work with this module?\u003c\/h4\u003e\n\u003cp\u003eA: This module supports both PT100 and PT1000 platinum resistance temperature detectors (RTDs). It is also compatible with 2-wire, 3-wire, and 4-wire sensor configurations, giving you flexible options depending on your accuracy requirements and wiring setup.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How accurate is the MAX31865 temperature sensor module?\u003c\/h4\u003e\n\u003cp\u003eA: The MAX31865 module offers a 15-bit ADC resolution with a temperature resolution of 0.03125°C and a maximum measurement error of ±0.5°C (0.05% full scale) across the full operating temperature range — making it one of the most precise RTD converter modules available for DIY and professional applications.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Does the module have any built-in fault protection?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The module includes ±45V overvoltage input protection and built-in fault detection for RTD open-circuit and short-circuit conditions, ensuring reliable operation and protection for both the module and your connected components.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Is the MAX31865 module compatible with Arduino and Raspberry Pi?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes! 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The module includes ±45V overvoltage input protection and built-in fault detection for RTD open-circuit and short-circuit conditions, ensuring reliable operation and protection for both the module and your connected components.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/kujrmc-0q.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Electronics \u0026 Tech\", \"item\": \"https:\/\/kujrmc-0q.myshopify.com\/collections\/electronics-tech\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"MAX31865 PT100\/PT1000 RTD-to-Digital Temperature Sensor Module\", \"item\": \"https:\/\/kujrmc-0q.myshopify.com\/products\/max31865-pt100-pt1000-rtd-to-digital-temperature-sensor-module\"}]}\u003c\/script\u003e","brand":"Vue","offers":[{"title":"Default Title","offer_id":48746923065536,"sku":"\u003cnone\u003e","price":57.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0772\/9338\/7968\/files\/Se88b56bea806424f849466db532b4674d.webp?v=1786196018","url":"https:\/\/vueselect.com\/products\/max31865-pt100-pt1000-rtd-to-digital-temperature-sensor-module","provider":"Vue","version":"1.0","type":"link"}