Physical sensor

How do you optimally use physical sensors to adapt the automation of your building to the prevailing environmental conditions? Find out here what potential there is in a high-quality KNX weather station. What is the difference between object sensors and room temperature controllers?

Sensors are technical components that record analog conditions from the environment and independently react to changes in them with electrical signals. They are therefore similar to our sensory organs, which transmit sounds, smells, temperatures or pain to our brain in the form of electrical impulses. The interaction of different sensors represents something like the nervous system of a modern building. The evaluation of the data determined and an intelligent reaction to changing conditions are what make smart home automation so appealing.

What are physical sensors?

Physical sensors convert physical variables, i.e. measurable properties of objects or the environment, into electrical signals. This makes it possible to draw conclusions about the value of the physical quantities. The most common applications in this category are the KNX weather stations, KNX object controllers and KNX room temperature controllers.

KNX weather stations

A weather station uses physical sensors to measure temperature, humidity, air pressure, wind speed, probability of rain and numerous other parameters. You can evaluate this recorded data and use it for automated, weather-dependent control of a building.

 


Good to know:

In the case of the KNX weather stations, the almost wear-free, thermoelectrically measuring weather stations are becoming increasingly popular with regard to wind measurement. These no longer have rotating parts (rotors).


 

The mechanical measurement with a rotor is very accurate. However, the moving parts are quickly damaged by strong storms or objects flying around.

What should I pay attention to before buying a KNX weather station?

It is important to study the parameters provided for your own necessary requirements in the usage phase. A high-quality weather station belongs in every KNX home. A variety of interesting functions can be derived from this, some with high priority. At eibabo® you get numerous variants with different features and price ranges. The following things can be interesting for your purchase:

  • What readings does the weather station provide?
  • With which sensor technology are the measured values determined?
  • Does the weather station have GPS?
  • How many protected facades does the weather station offer?
  • How is the wind measured?
  • and much more

 

From this, the scope of your automation options is derived, as well as their accuracy and reliability. All weather stations typically offer basic functions such as temperature, wind speed or brightness. However, you will quickly reach your limits if you want to use the full potential of weather-dependent building control.

What can further additional measured values of a KNX weather station be used for?

For example, for the automatic closing of skylights when it starts to rain, it would be necessary to record the precipitation. Wind direction can be an important parameter for controlling awnings. The alignment of the facade is also relevant for comfortable shading. Additional values are, for example, the global radiation, the air pressure, the absolute and relative humidity or the felt temperature. This information can be incorporated into the creation of extensive and well thought-out weather-dependent building automation.

Source: eibabo®, Gira Standard 215004 KNX weather stationImage: Gira Standard 215004 KNX weather station

Many manufacturers only provide brightness sensors instead of radiation sensors for controlling the shading. You should take this into account when choosing the right weather station. Brightness sensors measure the surrounding brightness using a photoresistor. In contrast, the global radiation results from direct solar radiation and diffuse light. This is generated, for example, by reflections from clouds, water droplets or dust. This may result in different basic values for your light control. An available GPS determines the location of the weather station and uses this data to classify and optimize the measurement results. High-quality weather stations also offer complex automation tools for shading according to the Astro program, facade controls and more.

Where do I attach a KNX weather station?

Attach a KNX weather station to an exposed location on or on the building. This allows you to optimally measure and evaluate wind speeds, brightness, temperature or precipitation. The roof, the facade or a free-standing mast are suitable for this. Typically, you can define a normal state for each integrated sensor, which serves as a reference value for the measurement data determined. However, this also means that the weather station is exposed to all possible environmental conditions.

The system in view at all times

Modern KNX weather stations independently monitor important functions. If an error occurs, the device sends a corresponding error message to the bus.


In order to guarantee reliable functionality, the housing of a KNX weather station is particularly resistant and the technology is designed to be robust.

What is a KNX object controller?

Object controllers are room temperature controllers without direct adjustment options on the device. You determine the current room temperature with an internal or external temperature sensor and adjust it to a centrally set target temperature. KNX object controllers do not have any operating elements and are developed for use in objects. In public buildings, strangers should not be able to adjust the controller directly. The values are parameterized directly via the ETS (Engineering Tool Software). Object controllers are often cheaper than KNX room temperature controllers and are suitable for private use in corridors, basements or storage rooms.

What properties does a KNX room temperature controller have?

In contrast to the object controller, the temperature of the room can be individually adjusted to personal well-being with a room temperature controller. The connection to the KNX offers numerous options for responding to different heat requirements in everyday life. You can lower the temperature at night or when you are away to save energy. On the other hand, it is particularly pleasant to come into a well-tempered living room in the evening.

 


TIP:

Even one degree less room temperature saves up to six percent of energy. Combined with reasonable heating times, this value increases significantly.


 

We currently spend around two thirds of our energy costs in Central Europe on heating rooms and water. Intelligent planning of the room temperature throughout the day can therefore save a great deal of money and resources.

Are there other types of physical sensors?

The offer is big. In addition to the sensors mentioned, there are numerous other variants with which you can carry out a wide variety of measurements and evaluations. These are often special and optimized for specific areas of application in trade or industry. Some examples:

KNX water detectors, KNX water sensors, KNX leakage sensors

  • These sensors detect water and moisture and are used, for example, to detect leaks and burst pipes.

 

KNX humidity sensors

  • In addition to the humidity, the moisture content of materials can also be determined. The classic use is, among other things, in industry, where, for example, the residual moisture content of wood or concrete has to be determined.

 

KNX CO2 sensors

  • CO2 sensors measure the amount of carbon dioxide in the air. Carbon dioxide is a colorless and odorless gas and can be life-threatening in high concentrations.

 

KNX carbon monoxide detector or smoke detector

  • Smoke gas detectors respond when they register the gases typically occurring in fires. A carbon monoxide alarm reacts to carbon monoxide, such as that produced when fossil fuels are burned.

 

KNX line sensor or contact sensor

  • Line sensors or contact sensors are used to determine the surface temperature or component temperatures. They are used in industry or support control in heating, cooling and ventilation technology.

 

KNX current sensors

  • Current sensors can be used to measure the current in cables or lines and busbars. This measurement is usually carried out without contact using the magnetic flux density triggered by the electric currents.

 

KNX energy sensors

  • Energy sensors are interesting for private, commercial and industrial use. For example, they measure the power consumption of connected devices and systems.

 

This is how you save

KNX combination sensors or multi-sensors can record different measured variables. You only need one device for evaluating several states.


In this catalog you will also find high-quality KNX temperature sensors, KNX brightness sensors, KNX rain sensors, KNX twilight sensors, KNX fan controls, magnetic contacts, KNX multi-sensors, KNX thermo-hygrometers, evaluation units, KNX dew sensors, outdoor sensors and KNX air quality sensors.

Which manufacturers of physical sensors are recommended?

In our shop you can get physical sensors from the brands ABB, Berker, Busch-Jaeger, Eaton, EIBMARKT, eQ-3, Esylux, Gira, Hager, Issendorf, Jung, MDT, Merten, Peha, Schalk, Siemens, Somfy, Steinel, Theben , Thermokon, Warema and WindowMaster. These manufacturers offer high quality. The prices correspond to the respective services and scope of functions. Benefit from the top conditions in the eibabo® shop and use worldwide shipping.

 

eibabo - technology store

 

Catalogue content:


In this eibabo® catalogue Installation bus systems > Physical sensor for bus system you will find items from the following product groups:

Item overview:

  • Air quality sensor
  • Blind control
  • Brightness sensors
  • Building control
  • Building system technology
  • Bus technology
  • Button interface
  • Contact sensor
  • Dew sensor
  • Frost sensor
  • Humidity
  • Humidity sensor
  • Leakage sensor
  • Light sensor
  • Light sensors
  • Precipitation sensor
  • Presence detector
  • Radio system
  • Room temperature controller
  • Shading control
  • Temperature
  • Thermal fan
  • Thermometer
  • Ventilation unit
  • Water sensor
  • Weather data
  • Weather sensor
  • Wind sensor


from the following manufacturers:

Manufacturer overview catalogue Physical sensor:

  • ABB
  • Berker
  • Busch Jaeger
  • Eaton
  • EIBMARKT
  • Elsner
  • Elso
  • Eltako
  • Etherma
  • Gira
  • Hager
  • Hama
  • Ifm Electronic
  • Issendorff
  • Jung
  • Lingg & Janke
  • Maico
  • MDT
  • Merten
  • Peha
  • Siemens
  • Somfy
  • Steinel
  • Theben
  • Warema
  • WindowMaster


 
How do you optimally use physical sensors to adapt the automation of your building to the prevailing environmental conditions? Find out here what potential there is in a high-quality KNX weather... read more »
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Physical Sensor - What you should know

How do you optimally use physical sensors to adapt the automation of your building to the prevailing environmental conditions? Find out here what potential there is in a high-quality KNX weather station. What is the difference between object sensors and room temperature controllers?

Sensors are technical components that record analog conditions from the environment and independently react to changes in them with electrical signals. They are therefore similar to our sensory organs, which transmit sounds, smells, temperatures or pain to our brain in the form of electrical impulses. The interaction of different sensors represents something like the nervous system of a modern building. The evaluation of the data determined and an intelligent reaction to changing conditions are what make smart home automation so appealing.

What are physical sensors?

Physical sensors convert physical variables, i.e. measurable properties of objects or the environment, into electrical signals. This makes it possible to draw conclusions about the value of the physical quantities. The most common applications in this category are the KNX weather stations, KNX object controllers and KNX room temperature controllers.

KNX weather stations

A weather station uses physical sensors to measure temperature, humidity, air pressure, wind speed, probability of rain and numerous other parameters. You can evaluate this recorded data and use it for automated, weather-dependent control of a building.

 


Good to know:

In the case of the KNX weather stations, the almost wear-free, thermoelectrically measuring weather stations are becoming increasingly popular with regard to wind measurement. These no longer have rotating parts (rotors).


 

The mechanical measurement with a rotor is very accurate. However, the moving parts are quickly damaged by strong storms or objects flying around.

What should I pay attention to before buying a KNX weather station?

It is important to study the parameters provided for your own necessary requirements in the usage phase. A high-quality weather station belongs in every KNX home. A variety of interesting functions can be derived from this, some with high priority. At eibabo® you get numerous variants with different features and price ranges. The following things can be interesting for your purchase:

  • What readings does the weather station provide?
  • With which sensor technology are the measured values determined?
  • Does the weather station have GPS?
  • How many protected facades does the weather station offer?
  • How is the wind measured?
  • and much more

 

From this, the scope of your automation options is derived, as well as their accuracy and reliability. All weather stations typically offer basic functions such as temperature, wind speed or brightness. However, you will quickly reach your limits if you want to use the full potential of weather-dependent building control.

What can further additional measured values of a KNX weather station be used for?

For example, for the automatic closing of skylights when it starts to rain, it would be necessary to record the precipitation. Wind direction can be an important parameter for controlling awnings. The alignment of the facade is also relevant for comfortable shading. Additional values are, for example, the global radiation, the air pressure, the absolute and relative humidity or the felt temperature. This information can be incorporated into the creation of extensive and well thought-out weather-dependent building automation.

Source: eibabo®, Gira Standard 215004 KNX weather stationImage: Gira Standard 215004 KNX weather station

Many manufacturers only provide brightness sensors instead of radiation sensors for controlling the shading. You should take this into account when choosing the right weather station. Brightness sensors measure the surrounding brightness using a photoresistor. In contrast, the global radiation results from direct solar radiation and diffuse light. This is generated, for example, by reflections from clouds, water droplets or dust. This may result in different basic values for your light control. An available GPS determines the location of the weather station and uses this data to classify and optimize the measurement results. High-quality weather stations also offer complex automation tools for shading according to the Astro program, facade controls and more.

Where do I attach a KNX weather station?

Attach a KNX weather station to an exposed location on or on the building. This allows you to optimally measure and evaluate wind speeds, brightness, temperature or precipitation. The roof, the facade or a free-standing mast are suitable for this. Typically, you can define a normal state for each integrated sensor, which serves as a reference value for the measurement data determined. However, this also means that the weather station is exposed to all possible environmental conditions.

The system in view at all times

Modern KNX weather stations independently monitor important functions. If an error occurs, the device sends a corresponding error message to the bus.


In order to guarantee reliable functionality, the housing of a KNX weather station is particularly resistant and the technology is designed to be robust.

What is a KNX object controller?

Object controllers are room temperature controllers without direct adjustment options on the device. You determine the current room temperature with an internal or external temperature sensor and adjust it to a centrally set target temperature. KNX object controllers do not have any operating elements and are developed for use in objects. In public buildings, strangers should not be able to adjust the controller directly. The values are parameterized directly via the ETS (Engineering Tool Software). Object controllers are often cheaper than KNX room temperature controllers and are suitable for private use in corridors, basements or storage rooms.

What properties does a KNX room temperature controller have?

In contrast to the object controller, the temperature of the room can be individually adjusted to personal well-being with a room temperature controller. The connection to the KNX offers numerous options for responding to different heat requirements in everyday life. You can lower the temperature at night or when you are away to save energy. On the other hand, it is particularly pleasant to come into a well-tempered living room in the evening.

 


TIP:

Even one degree less room temperature saves up to six percent of energy. Combined with reasonable heating times, this value increases significantly.


 

We currently spend around two thirds of our energy costs in Central Europe on heating rooms and water. Intelligent planning of the room temperature throughout the day can therefore save a great deal of money and resources.

Are there other types of physical sensors?

The offer is big. In addition to the sensors mentioned, there are numerous other variants with which you can carry out a wide variety of measurements and evaluations. These are often special and optimized for specific areas of application in trade or industry. Some examples:

KNX water detectors, KNX water sensors, KNX leakage sensors

  • These sensors detect water and moisture and are used, for example, to detect leaks and burst pipes.

 

KNX humidity sensors

  • In addition to the humidity, the moisture content of materials can also be determined. The classic use is, among other things, in industry, where, for example, the residual moisture content of wood or concrete has to be determined.

 

KNX CO2 sensors

  • CO2 sensors measure the amount of carbon dioxide in the air. Carbon dioxide is a colorless and odorless gas and can be life-threatening in high concentrations.

 

KNX carbon monoxide detector or smoke detector

  • Smoke gas detectors respond when they register the gases typically occurring in fires. A carbon monoxide alarm reacts to carbon monoxide, such as that produced when fossil fuels are burned.

 

KNX line sensor or contact sensor

  • Line sensors or contact sensors are used to determine the surface temperature or component temperatures. They are used in industry or support control in heating, cooling and ventilation technology.

 

KNX current sensors

  • Current sensors can be used to measure the current in cables or lines and busbars. This measurement is usually carried out without contact using the magnetic flux density triggered by the electric currents.

 

KNX energy sensors

  • Energy sensors are interesting for private, commercial and industrial use. For example, they measure the power consumption of connected devices and systems.

 

This is how you save

KNX combination sensors or multi-sensors can record different measured variables. You only need one device for evaluating several states.


In this catalog you will also find high-quality KNX temperature sensors, KNX brightness sensors, KNX rain sensors, KNX twilight sensors, KNX fan controls, magnetic contacts, KNX multi-sensors, KNX thermo-hygrometers, evaluation units, KNX dew sensors, outdoor sensors and KNX air quality sensors.

Which manufacturers of physical sensors are recommended?

In our shop you can get physical sensors from the brands ABB, Berker, Busch-Jaeger, Eaton, EIBMARKT, eQ-3, Esylux, Gira, Hager, Issendorf, Jung, MDT, Merten, Peha, Schalk, Siemens, Somfy, Steinel, Theben , Thermokon, Warema and WindowMaster. These manufacturers offer high quality. The prices correspond to the respective services and scope of functions. Benefit from the top conditions in the eibabo® shop and use worldwide shipping.

 

eibabo - technology store

 

Catalogue content:


In this eibabo® catalogue Installation bus systems > Physical sensor for bus system you will find items from the following product groups:

Item overview:

  • Air quality sensor
  • Blind control
  • Brightness sensors
  • Building control
  • Building system technology
  • Bus technology
  • Button interface
  • Contact sensor
  • Dew sensor
  • Frost sensor
  • Humidity
  • Humidity sensor
  • Leakage sensor
  • Light sensor
  • Light sensors
  • Precipitation sensor
  • Presence detector
  • Radio system
  • Room temperature controller
  • Shading control
  • Temperature
  • Thermal fan
  • Thermometer
  • Ventilation unit
  • Water sensor
  • Weather data
  • Weather sensor
  • Wind sensor


from the following manufacturers:

Manufacturer overview catalogue Physical sensor:

  • ABB
  • Berker
  • Busch Jaeger
  • Eaton
  • EIBMARKT
  • Elsner
  • Elso
  • Eltako
  • Etherma
  • Gira
  • Hager
  • Hama
  • Ifm Electronic
  • Issendorff
  • Jung
  • Lingg & Janke
  • Maico
  • MDT
  • Merten
  • Peha
  • Siemens
  • Somfy
  • Steinel
  • Theben
  • Warema
  • WindowMaster
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