What is an RTD Thermal Resistor Temperature Detection Sensor?

РТД (Детектор на температура на отпорност) is a sensor whose resistance changes as its temperature changes. The resistance increases as the temperature of the sensor increases. The resistance vs temperature relationship is well known and is repeatable over time.

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RTD vs PT100 Resistance Sensor Temperature Measurement Probe

RTD vs PT100: Sensor Resistance in Temperature Measurement Probe

The main difference between an RTD and a Pt100 is the material used for the sensing element: PT100 is a specific type of RTD thermal resistor, and its name comes fromPlatinum” (platinum) и “100” (100 Оми на 0 ° C.). It is the most commonly used RTD sensor and is widely used in industrial process control, laboratory measurement and other fields that require high-precision temperature monitoring. The advantages of PT100 include:

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3-жица PT100 температурна сонда

Што е термички отпорник на сензорот PT100? 3-жица PT100 температурна сонда

The thermal resistance formula is in the form of Rt=Ro(1+A*t+b*t*t);Rt=Ro[1+A*t+B*t*t+C(t-100)*t*t*t], t represents Celsius temperature, Ro is the resistance value at zero degrees Celsius, А, B, C are all specified coefficients, for Pt100, Ro is equal to 100℃.

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Стекнување на температура на сензор за температура со 4 жици PT100

Стекнување на температура на 2, 3, и 4-жични сензори за температура PT100

Сензорот PT100 се здобива со температура со мерење на промената во нејзината електрична отпорност, што директно е во корелација со температурата на која е изложена; Како што се зголемува температурата, Отпорноста на платина елементот во сензорот исто така се зголемува, дозволувајќи прецизна пресметка на температурата врз основа на оваа промена на отпорот; Во суштина, на “100” во PT100 означува дека сензорот има отпор на 100 Оми на 0 ° C., И оваа вредност се менува предвидливо со флуктуациите на температурата.

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High-precision 4-wire Class A PT100 temperature measurement system

Систем за мерење на температурата на сензорот за термичка отпорност на PT100

Platinum resistors are widely used in the medium temperature range (-200~650℃). Во моментов, there are standard temperature measuring thermal resistors made of metal platinum on the market, such as Pt100, Pt500, Pt1000, итн.

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Temperature sensor probe T100 high temperature -50~260 cable

Resistors and Circuits of PT100 and PT1000 Metal Thermal Resistor Sensor Probes

The temperature measurement range of the commonly used platinum resistance Pt100 sensor probes is -200~850℃, and the temperature measurement ranges of Pt500, Pt1000 sensor probes, итн. are successively reduced. Pt1000, temperature measurement range is -200~420℃. According to the IEC751 international standard, the temperature characteristics of the platinum resistor Pt1000 meet the following requirements:

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DS18B20 temperature sensor 1-wire waterproof cable + adapter board set

Custom DS18B20 Sensor Probe & 1-Wire Cable Assembly

The DS18B20 sensor communicates using the “1-Wireprotocol, which means it uses a single data line for all communication with a microcontroller, allowing multiple sensors to be connected on the same line and identified by their unique 64-bit serial code; this single data line is pulled high with a resistor and the sensor transmits data by pulling the line low during specific time slots to send bits of information.

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DS18B20 Temperature Sensor Digital Thermometer Probe + Terminal Adapter Module with Wire Set

Making a Digital Thermometer with DS18B20 Digital Temperature Sensor

This article explains in detail the application of custom DS18B20 digital temperature sensor in building a digital thermometer. Including working principle, hardware connection, software programming and simulation implementation. Provide complete protues simulation diagram, C source code and result analysis to help readers deeply understand and practice the use of DS18B20.

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Stability of NTC sensor probe

Thermistor Temperature Sensor Probe Knowledge Answers

Q: Can you explain sensitivity resolution in more detail? Why are higher values ​​better?
А: High sensitivity eliminates any lead resistance. It also simplifies the supporting electronics. А 10,000 ohm thermistor changes resistance by 4.4% or 440 ohms for a 1°C change in temperature. А 100 ohm platinum sensor changes resistance by 1/3 ohm for a 1°C change in temperature.

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