Sensirion

🇨🇭 Switzerland Industrial Sensors

Environmental and flow sensor solutions for humidity, temperature, gas, liquid flow, differential pressure and particulate matter measurement.

Sensirion is a Swiss sensor technology company headquartered in Stäfa. Founded in 1998, the company develops and manufactures environmental and flow sensor solutions used in automotive, medical, industrial and consumer applications. Sensirion should not be described as generic sensors. Its strongest profile is compact, high-quality sensor technology for measuring environmental and flow-related parameters, supported by expertise in mechanical design-in, algorithms and embedded integration.

Products and applications

Sensirion’s portfolio includes humidity sensors, temperature sensors, gas sensors, CO2 sensors, particulate matter sensors, liquid flow sensors, gas flow sensors, differential pressure sensors, air-quality sensors and sensor modules. Its products are used in HVAC, indoor air quality, medical devices, ventilators, automotive systems, industrial equipment, appliances, smart home devices, environmental monitoring and applications where precise, compact and reliable sensing improves efficiency, health, safety or comfort.

Product Categories

Humidity Sensors

Gas Sensors (CO2/VOC)

Particulate Matter Sensors

Flow Sensors (Liquid)

Flow Sensors (Gas)

Temperature Sensors

Product Lines & Series

SHT (Humidity/Temperature)
SCD (CO2 Sensors)
SEN (VOC Index)
SPS (Particulate)
SLF/SLI (Liquid Flow)
SFM (Gas Flow)

Products & Components

Digital humidity sensors (SHT4x)CO2 sensors (SCD4x)VOC sensors (SGP4x)Particulate matter sensors (SPS30)Mass flow meters for gases (SFM3xxx)Liquid flow sensors (SLF3S)Differential pressure sensors (SDP8xx)Formaldehyde sensorsMulti-gas sensorsEvaluation kitsSensor modulesFlow meter assembliesHVAC duct sensorsAutomotive cabin sensorsMedical ventilator sensors

Solutions & Applications

Indoor air quality monitoringHVAC demand-controlled ventilationMedical ventilator flow sensingAutomotive cabin air managementSmart home environmental monitoringIndustrial process gas measurement

Industries Served

HVAC & Building AutomationMedical & Healthcare (Ventilators)AutomotiveConsumer ElectronicsIndustrial ProcessSmart Home / IoT

Technologies & Expertise

CMOSens (sensor + ASIC on chip)Photoacoustic CO2 sensing (PASens)Thermal mass flow measurement

Company facts

Headquarters: Stäfa, Switzerland
Founded: 1998
Employees: Around 1,200 employees
Ownership: Public company

Visit website LinkedIn Email +41 44 306 40 00

Profile transparency

Data status: Publicly researched profile
Sources: Official website, public company and product pages
Last reviewed: April 2026

Publicly researched profile. Supplier information is based on publicly available company and product information and can be corrected, claimed, or removed on request.

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