Resistance temperature sensors

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Resistance temperature sensors | Choosing the right temperature sensor
A resistance temperature sensor, often called an RTD, is a contact sensor. It uses the variation of the resistance of a metal (platinum, copper, nickel or tungsten) according to the temperature. This type of sensor uses several metals that offer different measuring ranges: Platinum: -200°C to 600°C Copper: -190°C to 150°C Nickel: -60°C to 180°C Tungsten: -100°C to 1,400°C The most commonly used metal for resistance temperature sensors is platinum...
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Pt100 temperature sensor
Pt100 temperature sensor
SON.TPT.0009

Temperature: -100 °C - 200 °C

Pt100 Smart-Sensor (-100°C to +200°C) for many applications, such as -80°C freezers. The Smart-Sensor technology allows for on-board calibration details and features analog/digital converter to simplify ...

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Dickson
insertion temperature sensor
insertion temperature sensor
SON.TNU.0009

Temperature: -40 °C - 120 °C

DS18B20 digital temperature sensor (-40°C to +120°C) – Insertion probe designed for temperature monitoring directly at the core of food products. • Digital temperature ...

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Dickson
Pt100 temperature sensor
Pt100 temperature sensor
SON.TPT.0006

Temperature: -200 °C - 50 °C

Pt100 sensor (-200°C to +50°C) for monitoring cryogenic freezers, liquid Nitrogen tanks, and transport scenarios, offering a high-accuracy solution for Emerald data loggers. • Analog temperature ...

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Dickson
resistance temperature sensor
resistance temperature sensor
DS18B20

Temperature: -40 °C - 80 °C

DS18B20 digital temperature sensor (-40°C to +80°C) for refrigerators, cold rooms, freezers, drying ovens, incubators, Legionella detection • Digital temperature sensor ...

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Dickson
Pt100 temperature sensor
Pt100 temperature sensor
SON.TPT.0010

Temperature: -200 °C - 50 °C

Pt100 Smart-Sensor (-200°C to +50°C) for cryogenic freezers, Nitrogen tanks. The Smart-Sensor technology allows for on-board calibration details and features analog/digital converter to simplify calibration. ...

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Dickson
resistance temperature sensor
resistance temperature sensor
DS18B20

Temperature: -40 °C - 120 °C

DS18B20 digital temperature sensor (-40°C to +120°C, standard or submersible), for higher temperatures found in ovens, incubators, water baths • Digital temperature ...

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Dickson
Pt100 temperature sensor
Pt100 temperature sensor
SON.TPT.0012

Temperature: -50 °C - 200 °C

Pt100 sensor (-50°C to +200°C) for monitoring high temperatures, such as incubators and ovens, as well as transport scenarios, offering a high-accuracy solution for Emerald data loggers. • Analog ...

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Dickson
NTC temperature sensor
NTC temperature sensor
0 281 002 170

Temperature: -40 °C - 150 °C

The temperature sensor measures the temperature of various fluid media, such as water, fuel, or oil, over a wide temperature range.

thermopile temperature sensor
thermopile temperature sensor
MRT-313

Temperature: -30 °C - 100 °C

... theory, the sensor outputs the corresponding voltage to detect the temperature of the target. Application Household appliances (Microwave oven, hair dryers, range hood etc), temperature ...

thermopile temperature sensor
thermopile temperature sensor
MRT311S

Temperature: -30 °C - 100 °C

... existence of the target or the temperature of the target. Application Non-contact temperature measuring Infrared thermometer, such as ear temperature and forehead temperature ...

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How to choose this product
resistance-temperature-sensor

A resistive temperature detector (RTD) converts the measured physical value of temperature into an electrical output signal. Its operation is based on the known change in electrical resistance of a given material as a function of temperature variation. The RTD element is made of a pure material, often platinum.

Applications

These devices are employed where very precise temperature measurement is required.

Technologies

A small current is applied to the metal conductor. Rising temperature hinders the flow of electrons within, increasing resistance. This relationship is referred to as the temperature coefficient of resistance (TCR).

Most RTD elements are made of platinum, and are capable of measurements from -200° to +850° C. Less expensive nickel is sometimes used, but is only effective between -60° and +350° C. Pt 100 detectors have a resistance of 100 at 0° C, while Pt1000 models have a resistance of 1000 at the same temperature.

How to choose

Choice will depend on detector configuration, whether for surface mounting or immersion. Other factors include the operating environment, the measurement medium and the required temperature range.