What is an RTD Thermal Resistor Temperature Detection Sensor?

Ан РТД (Отпорни температурни детектор) 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 from “Платинум” (platinum) и “100” (100 Охмс на 0 ° Ц). 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-wire PT100 temperature probe

What is a PT100 sensor Thermal Resistor? 3-wire PT100 temperature probe

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(Т-100)*t*t*t], t represents Celsius temperature, Ro is the resistance value at zero degrees Celsius, А, Б, C are all specified coefficients, for Pt100, Ro is equal to 100℃.

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Temperature acquisition of 4-wire PT100 temperature sensor

Актуелна куповина 2, 3, и 4-жичани сензори на температури ПТ100

A PT100 sensor acquires temperature by measuring the change in its electrical resistance, which directly correlates to the temperature it is exposed to; as the temperature increases, the resistance of the platinum element within the sensor also increases, allowing for a precise calculation of the temperature based on this resistance change; essentially, тхе “100” in PT100 signifies that the sensor has a resistance of 100 Охмс на 0 ° Ц, and this value changes predictably with temperature fluctuations.

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Високо прецизно 4-жична класа ПТ100 систем мерења температуре

Систем мерења температуре ПТ100 сензор топлотног отпора

Платинум отпорници се широко користе у средњој температурном опсегу (-200~ 650 ℃). На садашњи, Постоје стандардни термички отпорници температуре израђене од металне платине на тржишту, као што је ПТ100, Пт500, ПТ1000, итд.

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Сензор температуре Т100 висока температура -50 ~ 260 кабл

Отпорници и склопови ПТ100 и ПТ1000 металних сонди термичких отпорника

Распон мерења температуре најчешће коришћене отпорности Платинум ПТ100 сензорске сонде је -200 ~ 850 ℃, и опсег мерења температуре ПТ500, ПТ1000 сензорске сонде, итд. су узастопно смањени. ПТ1000, Распон мерења температуре је -200 ~ 420 ℃. Према међународном стандарду ИЕЦ751, Карактеристике температуре Платинум отпорника ПТ1000 испуњавају следеће захтеве:

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

Цустом ДС18Б20 сензорска сонда & 1-Скупштина жице кабла

The DS18B20 sensor communicates using the “1-Жица” protocol, 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 + Адаптерски модул терминала са комплетом жица

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% или 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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