センシリオン List of News Articles

Sensirion has started selling the "STCC4". The world's smallest CO₂ gas concentration sensor Overcoming size and cost constraints, it enables CO₂ measurement across a wide range of applications. ■ Thermal conductivity sensing technology ■ By collaborating with Sensirion's temperature and humidity sensors, it allows for: - High-precision correction of measurement values - Monitoring of indoor environmental parameters ■ SMD design and tape & reel packaging support mass production ■ Ideal for integration into indoor air quality monitors, smart thermostats, air conditioners, and more.

We have published the latest product catalog. [Contents] Gas Sensors - SGP40 - SGP41 Achieves high-reliability monitoring for VOCs and NOx. For product details, please download the catalog and contact us.

We have just released our latest product catalog. [Contents] Formaldehyde Sensors - SFA30 - SFA40 These are high-sensitivity and highly selective sensors that accurately identify harmful formaldehyde even in the presence of other generally harmless volatile organic compounds (VOCs). For product details, please download the catalog and contact us.

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.

Next Generation Compact Humidity and Temperature Sensor: Sensirion Automotive Climate Seat Sensor (SACS) The SACS series is equipped with high-precision, calibrated digital humidity and temperature sensors, specially designed for automotive applications. It delivers stable high performance and high reliability even in harsh environments. By continuously monitoring the conditions inside the vehicle, it enhances climate control functions and provides a consistently comfortable environment for passengers. The SACS sensor is integrated within the seat structure (above the cushion and just below the cover material) to measure temperature and humidity in real-time, very close to the passengers. This measurement data is sent to the HVAC controller and utilized for optimal seat ventilation control. This allows for the maintenance of comfort while reducing the amount of air needed for cooling. 【Features】 ■ Fast response ■ Rounded edges and soft materials for seamless integration that goes unnoticed ■ Smart 3-wire interface easily integrates into seat cable harnesses ■ 15kV ESD protection for safe handling on production lines

The STS4L is the latest model in Sensirion's temperature sensor "STS4x" series, making it an ideal product for applications with limited cost and space. It features a high precision of ±0.4℃ while achieving overwhelming cost efficiency. With a footprint of just 1.5×1.5×0.5mm, it can be easily integrated into various applications. Additionally, its wide power supply voltage range and low power consumption make it suitable for battery-powered designs. Designed and manufactured in Switzerland, the SMD design and tape & reel packaging facilitate easy integration into mass production processes. The STS4L offers top-class performance and excellent cost performance compared to equivalent sensors. 【Features】 ■ High precision of ±0.4℃ ■ Compact form factor (1.5×1.5×0.5mm) for space-saving design ■ Supports I²C communication up to 1MHz ■ Low power consumption, ideal for battery operation ■ High reliability and long-term stability (high S/N ratio) ■ Supply current: 0.4µA

Sensirion AG will be exhibiting at the "Smart Sensing 2025" exhibition held at Tokyo Big Sight from June 18 to 20. At this exhibition, in addition to environmental sensing and flow sensing, we will also introduce sensor solutions for automotive applications. We will showcase measurement demos and new products that will be publicly unveiled for the first time, providing an opportunity for you to directly confirm the performance and high level of our technology. We look forward to your visit. ■ Venue: Tokyo Big Sight ■ Booth No.: E - 8 (East Hall 8) ■ Exhibits: SEN6x Indoor Air Quality Combo Sensor Module Measurement Demo SGD4x Refrigerant Detection Sensor Measurement Demo SCD4x/STCC4 CO2 Sensor Measurement Demo SLF3x Liquid Flow Sensor Measurement Demo Fog Detection/Automatic Defrost Sensor Measurement Demo Various Physical Samples All of our staff are sincerely looking forward to your visit.

Clear visibility is essential for safe driving. Our SAAF sensor measures the temperature and humidity inside the windshield, supporting the defogging system to prevent fogging. Automakers are evolving technology with safety as the top priority while enhancing comfort. The defogging system is a crucial element, with integrated sensors measuring the temperature and humidity of the windshield and transmitting data to the HVAC system to prevent fogging. The sensor can be optimally positioned by installing it at the bottom edge of the cosmetic cover. The SAAF sensor provides the ideal solution for defogging applications. Its compact design and angled connector allow for flexible placement and easy installation, making it cost-effective as well. 【Features】 ■ Calibrated, linearized, and temperature-compensated signals ■ Flexible mounting via brackets or tape ■ High durability and reliability with automotive-grade connectors ■ Customer-specific solutions

Sensirion plans to launch its latest photoacoustic NDIR CO2 sensor, the "SCD43." It will be available through Sensirion's channel partners in the summer of 2025. This compact and high-precision CO2 sensor is an improved version of our proven SCD4x photoacoustic NDIR CO2 platform, designed to meet stringent building code requirements. Product Overview: - Compatibility with the comprehensive building standard ASHRAE 62.1 Draft Addendum d - Industry-leading measurement accuracy (±30ppm + 3% m.v.) - Drop-in upgrade for SCD4x sensors - Compact form factor of 10.1 x 10.1 x 6.5 mm - SMD solderable CO2 concentration is a critical indicator for assessing indoor air quality (IAQ), and elevated levels can negatively impact cognitive function and health. Air quality monitors and devices utilizing the SCD4x contribute to the proper management of CO₂ levels, helping to maintain a healthy and productive indoor environment.

The CO2 sensor is an important device that manages air quality inside vehicles and also detects refrigerant leaks. By maintaining appropriate CO2 levels in the cabin, it can reduce health risks for passengers and enable early detection of issues caused by refrigerant leaks. For these reasons, the introduction of CO2 sensors is becoming increasingly important for achieving a comfortable and safe in-vehicle environment. Sensirion's "SACD Series" continuously measures CO2 levels in the cabin to minimize risks associated with high CO2 concentrations. The measured CO2 concentration can be utilized not only for general estimates based on the number of passengers but also to facilitate more efficient air recirculation. This series features a compact design and adjustable alarm levels, allowing for the setting of individual thresholds to issue early warning signals. - Robust photoacoustic measurement technology - Configurable alarm levels - Low-power monitoring mode - Compact design that can be installed discreetly in the vehicle - LIN interface, bus wake-up compatible, always-on 12V compliant Sensirion automotive solutions

The Sensirion refrigerant leak detection system "SGD43S-M3-Sx" has been certified by UL Solutions (UL60355-2-40). This allows us to provide our customers with a rational UL-certified sensor module that responds to the evolution of refrigerant regulations. The SGD43S-M3-Sx is specially designed as a complete refrigerant detection system (RDS) for the HVACR industry. It is based on the principle of thermal conductivity measurement and features dual relay contact outputs that activate signal relays to enable the startup of blowers, turn off loads, and send alerts to control panels. The status display LED provides quick visual feedback, facilitating easy integration and a user-friendly design for installers. "SGD43S-M3-S5" offers dual calibration in a single device to monitor R-454B and R-32 refrigerant leaks for HVAC applications. "SGD43S-M3-S7" provides triple calibration in a single device primarily for monitoring R-454A, R-454C, and R-455A refrigerant leaks in refrigeration applications. For more details, please check the product page.

Sensirion has started selling the evaluation kit "SEK-SEN66." This kit allows for easy and cost-effective evaluation of the all-in-one air quality sensor modules SEN60, SEN65, and SEN66. The SEN6x series incorporates algorithms that enable seamless data processing, contributing to reduced time to market and cost savings. With a single design-in, it can cater to various product tiers and provide customized solutions tailored to diverse market needs. It is an ideal tool for customers considering the implementation of advanced air quality monitoring solutions. All-in-one air quality sensor module Outputs: RH/T, PM (1, 2.5, 4, 10), VOC/NOx, CO2 Onboard algorithms Included contents: SEN66 × 1 Adapter cable × 1 Jumper wire set × 1 Qwiic adapter cable × 1 *SEK-SensorBridge is required separately.