# Sensors

# Sensors

Measured values as the basis for building control

For outdoors

Weather sensors

Elsner pyranometer KNX PY installed between solar panels
Is your photovoltaic system working efficiently?

Check the output of your photovoltaic system with the us of a pyranometer

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Weather station Suntracer RS485 pro in front of blue sky
Weather data as RS485 protocol

Suntracer RS485 pro provides most important data – including wind direction

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Weather station Suntracer KNX pro in front of landscape and blue sky
Professional weather data collection with Suntracer KNX pro

Wind direction detection for optimum protection of buildings and technology

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Elsner weather station in front of exterior view of a house with garden
Weather station protects Smart Building

For Smart Homes and compact corporate buildings

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For indoors

Feel comfortable and reduce energy consumption

People sitting in a conference room with Cala KNX IL CO2 installed on the wall
Cala KNX IL CO2: Technical details and setting options

How to connect, set and optimally use the KNX CO2 indicator light

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People sitting in a conference room at a table with Cala KNX IL CO2 installed on a wall, glowing green
KNX colour light and CO2 indicator light complement Cala KNX switch series

For visualising messages, warnings and CO2 values in the interior

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Cala KNX IL CO2 mounted on a wall in a working environment at home
Why you need a KNX CO2 sensor in your Smart Home

Improve air quality and increase well-being

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Elsner device for air quality measurement installed on white wall in living room
Room air quality: Measurement and control

What actually constitutes "good" indoor air? And how can it be maintained?

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Elsner presence detector installed on wooden ceiling
Presence detectors in the Smart Building

Exploit energy-saving potential with presence-dependent control

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Drawing: Dew Point Monitoring and Ventilation Control
Dew Point Monitoring and Ventilation Control

Avoiding Condesation and Mould Formation by Temperature and Ventilation Control

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LEAKAGE SENSORS AND SMOKE DETECTORS

Protecting the Smart Building

Elsner leackage sensor Leak KNX basic on front of a private laundry room
Early warning systems for Smart Buildings

Prevent damage to the building with leakage sensors and smoke alarms

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