Fogging detection / automatic defrost sensor "SAAF series"
We offer multiple options regarding installation methods, electrical interfaces, and more! They can be customized according to your specifications.
The "SAAF Series" is a fog detection/automatic de-icing sensor that enhances visibility while reducing the energy required for defogging and de-icing the windshield, maximizing passenger comfort and safety. This product is fully calibrated, linearized, and temperature compensated, utilizing the thermal coupling of the windshield to communicate the timing for activating the de-icing mode to the HVAC controller. Please feel free to contact us when you need assistance. 【Features】 ■ Calibrated, linearized, and temperature compensated signals ■ Flexible installation with brackets or tape ■ High durability and reliability with automotive-grade connectors ■ Customer-specific solutions *For more details, please download the PDF or feel free to contact us.
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【Specifications (Excerpt)】 ■ Communication Interface: LIN 2.2, 19.2kBd ■ Supply Current: <2mA ■ Supply Voltage: 9-16V ■ Size: 30mm × 19mm × 12.6mm *For more details, please download the PDF or feel free to contact us.
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For more details, please download the PDF or feel free to contact us.
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Exhibited at the 2026 Nagoya Automotive Technology Exhibition.
Sensirion exhibited at the "Automotive Technology Exhibition 2026 Nagoya," held at Aichi Sky Expo from June 17 (Wednesday) to June 19 (Friday), 2026. At this exhibition, we introduced sensor solutions for automotive applications. We also showcased various measurement demonstrations and new products for the first time at the exhibition, allowing many visitors to see the performance and technological capabilities of our products. We sincerely thank all the attendees. ■ Exhibits Measurement Demos: SWS4A: Direct water detection sensor for ADAS SPS6x, STC42A: Battery thermal runaway detection sensors SAEN6x: Integrated combo module for HVAC SACD4: Refrigerant (propane) leak detection sensor module SAAF4: Window fog detection sensor module
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We will be exhibiting at the 2026 Nagoya Automotive Technology Exhibition (June 17-19).
Sensirion AG will be exhibiting at the "Automotive Technology Exhibition 2026 Nagoya" held at Tokyo Big Sight from June 17 (Wednesday) to June 19 (Friday). At this exhibition, we will introduce our sensor solutions for automotive applications. We will also showcase measurement demonstrations and new products that will be unveiled for the first time at the exhibition, providing an opportunity for you to directly experience the performance and technological excellence of our products. We look forward to your visit. ■ Venue: Aichi Sky Expo (Aichi Prefectural International Exhibition Center) ■ Booth No.: 199 ■ Exhibits: SWS4A: Direct water detection sensor for ADAS measurement demo SPS6x, STC42A: Battery thermal runaway detection sensor measurement demo SAEN6x: Integrated combo module for HVAC measurement demo SACD4: Refrigerant (propane) leak detection sensor module measurement demo SAAF4: Window fog detection sensor module measurement demo Various physical samples All of our staff are sincerely looking forward to your visit.
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Exhibited at Smart Sensing 2026.
Sensirion exhibited at the "Automotive Technology Exhibition 2026," held at Tokyo Big Sight from June 10 (Wednesday) to June 12 (Friday), 2026. At this exhibition, we showcased sensor solutions for automotive applications, in addition to environmental sensing and flow sensing. We also presented various measurement demonstrations and new products for the first time at the exhibition, allowing many visitors to see the performance and technological capabilities of our products. We would like to express our heartfelt gratitude to all the attendees. 【Main Demonstration Exhibits】 SCD5x New CO2 Sensor SGD4x Refrigerant Detection Sensor SEN6x Indoor Air Quality Combo Sensor Module SLF3x Liquid Flow Sensor Integrated Combo Module for HVAC (SAEN6) Refrigerant (Propane) Leak Detection Sensor Module (SACD4) Window Fog Detection Sensor Module (SAAF4)
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We will be exhibiting at Smart Sensing 2026 from June 10 to 12.
Sensirion AG will be exhibiting at the exhibition "Smart Sensing 2026" held at Tokyo Big Sight from June 10 (Wednesday) to June 12 (Friday). At this exhibition, in addition to environmental and flow sensing, we will also introduce refrigerant detection solutions and sensor solutions for automotive applications. We will showcase measurement demonstrations and new products that will be unveiled for the first time at the exhibition, providing an opportunity for you to directly confirm the performance and technological excellence of our products. We hope you will stop by. ■ Venue: Tokyo Big Sight ■ Booth No.: F - 07 (West Hall 3) ■ Exhibits: Refrigerant detection sensor measurement demo CO2 sensors (NDIR, photoacoustic, thermal conductivity) measurement demo Indoor air quality combo sensor module (temperature and humidity, PM, VOC, NOx, CO2, HCHO) measurement demo Liquid flow sensor measurement demo Anti-fog detection/automatic defrost sensor (SAAF series) measurement demo Various physical samples All of our staff are looking forward to welcoming you.
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Exhibited at Smart Sensing 2025.
We exhibited at the exhibition "Smart Sensing 2025," held at Tokyo Big Sight from June 18 to 20, 2025. A diverse range of technologies and products that expand future possibilities, from sensor technology to AI and data utilization services, were showcased, and many visitors came to our booth. This time, along with our environmental sensors, flow sensors, and automotive modules, we also displayed six types of demonstrations. SEN66: Indoor Air Quality Combo Sensor Module SGD43S: Refrigerant Detection Sensor SCD43 / STCC4: CO₂ Sensor SLF3S: Liquid Flow Sensor SAAF: Fogging Detection and Automatic Defrost Sensor Visitors had the valuable opportunity to see products that cater to a wide range of applications, including air quality measurement, gas leak detection, visualization of factory safety management, and flow measurement and control in the semiconductor, medical, and research fields, while experiencing the sensors' fast response and high precision. Thank you very much to everyone who visited our booth. We sincerely appreciate the many attendees who contributed to the lively atmosphere of the exhibition each day.
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Sensirion's mission is to provide sensors and sensor solutions with excellent design and reliability, becoming the number one partner for our customers. We aim to elevate the standards of sensor technology by leveraging technology intelligence. In doing so, we contribute to improving the sustainability, efficiency, health, safety, and quality of life for people and businesses. We pursue a common goal of shaping the future of the automotive industry, industrial sectors, building and HVAC technology, medical technology, and consumer electronics through innovation in collaboration with our partner companies and customers. Sensirion was founded in 1998 and currently has about 1,000 employees at its headquarters in Stäfa, Switzerland, and numerous subsidiaries around the world.


