{"product_id":"pt100-ds18b20-temperature-sensor-stainless-steel-probe-6x50mm-6x30mm","title":"PT100 \/ DS18B20 Temperature Sensor Stainless Steel Probe 6x50mm \/ 6x30mm (2-Pack)","description":"\u003ch2\u003ePT100 \/ DS18B20 Temperature Sensor with Stainless Steel Protective Probe (2-Pack)\u003c\/h2\u003e\u003cp\u003eThis listing offers waterproof temperature sensors encased in a \u003cstrong\u003estainless steel protective sleeve\u003c\/strong\u003e for reliable measurement in liquids, soil, and harsh environments. Select either \u003cstrong\u003ePT100 RTD\u003c\/strong\u003e (analog, high accuracy) or \u003cstrong\u003eDS18B20\u003c\/strong\u003e (digital 1-Wire, Arduino-ready) in 6x50mm or 6x30mm probe sizes.\u003c\/p\u003e\u003ch3\u003eVariant Comparison\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003ePT100 RTD\u003c\/th\u003e\n\u003cth\u003eDS18B20 Digital\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Type\u003c\/td\u003e\n\u003ctd\u003eAnalog resistance (100 ohm at 0C)\u003c\/td\u003e\n\u003ctd\u003eDigital 1-Wire protocol\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature Range\u003c\/td\u003e\n\u003ctd\u003e-200C to +850C\u003c\/td\u003e\n\u003ctd\u003e-55C to +125C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAccuracy\u003c\/td\u003e\n\u003ctd\u003e+\/-0.1C (Class A)\u003c\/td\u003e\n\u003ctd\u003e+\/-0.5C (0C to +85C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterface\u003c\/td\u003e\n\u003ctd\u003eRequires RTD amplifier (MAX31865)\u003c\/td\u003e\n\u003ctd\u003eDirect to MCU (1 GPIO pin)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBest For\u003c\/td\u003e\n\u003ctd\u003eIndustrial, high-accuracy measurement\u003c\/td\u003e\n\u003ctd\u003eArduino, DIY, waterproof sensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eCommon Specifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProbe Material\u003c\/td\u003e\n\u003ctd\u003e304 Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProbe Diameter\u003c\/td\u003e\n\u003ctd\u003e6mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProbe Length\u003c\/td\u003e\n\u003ctd\u003e50mm or 30mm (select variant)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCable Length\u003c\/td\u003e\n\u003ctd\u003e~1m (varies by listing)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWaterproof Rating\u003c\/td\u003e\n\u003ctd\u003eIP67 (submersible)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQuantity\u003c\/td\u003e\n\u003ctd\u003e2 pieces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eWhy Choose Stainless Steel Probe?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eIP67 Waterproof\u003c\/strong\u003e - Fully submersible for liquid temperature measurement\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e304 Stainless Steel\u003c\/strong\u003e - Corrosion-resistant for water, oil, and mild chemical environments\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact Probe\u003c\/strong\u003e - 6mm diameter fits standard thermowell and probe fittings\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexible Cable\u003c\/strong\u003e - ~1m cable for remote installation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePack of 2\u003c\/strong\u003e - Spare included for redundancy or dual-point measurement\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTypical Applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eAquarium and fish tank water temperature monitoring\u003c\/li\u003e\n\u003cli\u003eSous vide cooking temperature control\u003c\/li\u003e\n\u003cli\u003eIndustrial process liquid temperature measurement\u003c\/li\u003e\n\u003cli\u003eSoil temperature monitoring for agriculture\u003c\/li\u003e\n\u003cli\u003e3D printer heated bed temperature sensing (DS18B20)\u003c\/li\u003e\n\u003cli\u003eHVAC duct and pipe temperature measurement\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eArduino Setup (DS18B20)\u003c\/h3\u003e\u003cp\u003eConnect red wire to 5V, black to GND, yellow\/white to digital pin with 4.7k ohm pull-up resistor to 5V. Install \u003cstrong\u003eOneWire\u003c\/strong\u003e and \u003cstrong\u003eDallasTemperature\u003c\/strong\u003e libraries.\u003c\/p\u003e\u003cp\u003esensors.requestTemperatures(); float tempC = sensors.getTempCByIndex(0);\u003c\/p\u003e\u003ch3\u003ePT100 Setup\u003c\/h3\u003e\u003cp\u003eUse \u003cstrong\u003eMAX31865 RTD amplifier module\u003c\/strong\u003e for SPI interface to Arduino. Supports 2-wire, 3-wire, and 4-wire PT100 connections for different accuracy levels.\u003c\/p\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eQ: Can DS18B20 probe be permanently submerged in water?\u003c\/strong\u003e Yes - the stainless steel probe is IP67 rated for continuous submersion. Ensure the cable entry point is also sealed.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: Which is more accurate, PT100 or DS18B20?\u003c\/strong\u003e PT100 Class A is more accurate (+\/-0.1C vs +\/-0.5C) but requires an RTD amplifier. DS18B20 is simpler to interface with Arduino and sufficient for most DIY applications.\u003c\/p\u003e\u003ch3\u003ePackage Contents\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e2x Temperature Sensor with Stainless Steel Probe (PT100 or DS18B20, per selected variant)\u003c\/li\u003e\u003c\/ul\u003e","brand":"Keszoox","offers":[{"title":"6x50mm","offer_id":46991503065323,"sku":"14:350852#6x50mm","price":5.6,"currency_code":"USD","in_stock":true},{"title":"6x30mm","offer_id":46991503098091,"sku":"14:1202#6x30mm","price":5.12,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/pt100-ds18b20-temperature-sensor.webp?v=1761533668","url":"https:\/\/keszoox.com\/products\/pt100-ds18b20-temperature-sensor-stainless-steel-probe-6x50mm-6x30mm","provider":"Keszoox","version":"1.0","type":"link"}