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An electronic temperature sensor measures the current temperature level reliably and precisely: at the same time, a digital sensor enables effective and automated further processing. Purchase heat sensors that meet high technical standards here!

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Showing 1 - 24 of 37 products
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AOSONG DHT22 (AM2302) Humidity Temperature Sensor
Sale price6,07 €
In stock, 19 units
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Sparkfun Sparkfun Temperature Sensor - Waterproof (DS18B20)
Sale price6,94 €
In stock, 10 units
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Adafruit Platinum RTD Sensor - PT100 - 3 Wire 1 meter long
Sale price5,49 €
In stock, 13 units
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Save 4,86 €
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BlueDot BlueDot BME280 Breakout Board Weather Station
Sale price12,00 € Regular price16,86 €
Only 3 units left
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Adafruit AM2320 Digital Temperature and Humidity Sensor
Sale price1,96 €
Only 1 unit left
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Dragino AS-01 Temperature Probe for LHT52
Sale price4,20 €
In stock
Save 23,12 €
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Dragino Dragino N95S31B Outdoor Temperature and Humidity Sensor
Sale price20,00 € Regular price43,12 €
Only 2 units left
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AOSONG AM2301 Humidity Temperature Sensor
Sale price4,50 €
Sold out
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Sparkfun LilyPad Temperature Sensor DEV-08777
Sale price3,06 €
Only 1 unit left
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AOSONG AM2322 Humidity Temperature Sensor
Sale price4,85 €
In stock, 42 units
Dragino T68DL-EU868 IP68 LoRaWAN temperature sensorDragino T68DL-EU868 IP68 LoRaWAN temperature sensor
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Innovative temperature sensors for demanding tasks

The traditional method of measuring temperature with a mercury thermometer seems outdated in today's world: electronic temperature sensors have long since provided a better alternative, characterised by a high degree of accuracy. A further advantage is that these components can be easily used in automated, technical environments. The sensors are connected to a microcontroller such as Arduino or Raspberry Pi, for example, and the measurement results trigger fully or largely automated processes.
The following applies in principle: heat sensors are used in all applications where temperature measurement is a relevant factor. The specific function differs here. As part of overheating protection, a temperature sensor detects when the temperature in a measuring range exceeds a certain maximum value. When used for temperature monitoring, an Arduino temperature sensor or another variant provides accurate readings on an ongoing basis, which users can check on their weather station or on their vehicle's display, for example.

There are many possible applications for temperature sensors:

  • Measuring room temperature and connecting to a smart home system
  • Overheating protection in large household appliances, machine tools and industrial systems
  • Temperature measurement on hot plates, irons and fridges
  • Measuring and monitoring cooling temperature in industrial cold stores

Robust temperature sensors for outdoor use

If you need a temperature sensor for your project, there is one key question to ask: where will you use it? Many heat sensors are located inside technical devices and in indoor rooms and thus in protected environments. Other sensors fulfil their tasks in outdoor areas.
Do you need a heat sensor for outdoor use? Then you will find sensors here in the shop that are fully waterproof. These models often also have powerful batteries so that you can install them independently of a power connection. Suitable technology for continuous data transmission also proves to be important – this saves having to read weather stations manually, for example. For smart home systems and other small or large-scale systems, automatic data transmission via WLAN, LoRaWAN and the like is indispensable.

Combination devices: measure temperature, humidity and more

For a variety of projects, you need different measurement data. A typical example is this combination:

  • Temperature
  • Humidity
  • CO2 content

Another variant is the measurement data temperature, humidity and brightness. This data proves to be valuable, for example, in intelligent building control.
The good news is that you don't have to put the sensors together individually. Here at EXP Tech, you can purchase practical combination models that use several sensors to capture different measured values and forward them via a microcontroller such as Arduino.

Order your customised temperature sensor conveniently

Equip yourself with a digital temperature sensor or combination models from your leading electronics retailer. Choose from a wide range of products to find the perfect Raspberry PI temperature sensor, Arduino outdoor heat sensor or temperature and humidity sensor for you!

Frequently asked questions about temperature sensors

Here we answer some frequently asked questions about our temperature sensors. If you would like a personal consultation, please write to us using our contact form.

Many temperature sensors are thermistors, whose resistance changes with temperature. In the case of hot conductors, the resistance decreases as the temperature rises. Cold conductors work in the opposite direction, here the resistance increases. Another variant is thermocouples, which use the Seebeck effect. When there is a temperature difference between two points, a thermoelectric voltage is generated, from which the temperature value can be calculated.

A temperature and humidity sensor can be used for a variety of tasks. These sensors are often used in smart home systems and intelligent building control. They are also indispensable in industry: one example is temperature and humidity monitoring in the food industry and in the transport of food.

That depends on the type of temperature sensor. Electronic temperature sensors measure temperature indirectly: with thermistors, the measurement is taken via the resistance, and with thermocouples, it is taken via the voltage. Temperature changes these electrical measurement variables, which can be used to draw precise conclusions about temperature. This is very different from classic mercury thermometers, in which the contents expand or contract depending on the heat.

A Raspberry Pi temperature sensor can be used to measure temperatures in a variety of environments. At the same time, another temperature value is of interest: the CPU temperature of the microcontroller! This can be read out in the web interface using the command ‘vcgencmd measure_temp’. A functioning onboard temperature sensor is required.

Generally speaking, you don't need separate cooling for a Raspberry Pi. However, if cooling proves necessary, you can, for example, mount a powerful CPU cooler or use a water cooling system in the environment.

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