Exhibited at Smart Sensing 2025.

Compliant with UL standards for refrigeration and freezing equipment, as well as air conditioning units. Supports IP54, suitable for harsh conditions and outdoor applications.

The "SGD43S-M3-Sx" is a refrigerant detection sensor that has obtained UL certification as an RDS (Refrigerant Detection System) and is compatible with applications using A2L refrigerants. With an IP54 rating for dust and water resistance, it demonstrates stable performance even in outdoor or harsh environments. Based on a detection method utilizing thermal conductivity principles, it achieves fast response and long-term stability, while also offering maintenance-free operation with a lifespan of over 15 years, contributing to both safety and cost-effectiveness. 【Product Lineup】 ◎ For HVAC applications: "SGD43S-M3-S5" Supports monitoring of R-454B and R-32 through dual calibration, compliant with UL60355-2-40. ◎ For refrigeration and freezing applications: "SGD43S-M3-S7" Supports monitoring of R-454A, R-454C, and R-455A through triple calibration, compliant with UL60335-2-89. *For more details, please refer to the materials available for download in the catalog. Feel free to contact us with any inquiries.

• Other Sensors

Suitable for applications that require compliance with IAQ standards such as RESET!

The "SEN65" is a sensing platform for measuring PM, RH/T, VOC, NOx, and CO2. By combining multiple sensors in a form factor, it can measure up to 9 environmental parameters (PM1, PM2.5, PM4, PM10, T, RH, VOC index, NOx index, CO2). Its innovative design allows for simplified integration, cost reduction, and customization. Additionally, the core of the SEN66 is the new compact MEMS-based particulate matter sensing element, the SPS6x. 【Specifications (partial)】 ■ Mass concentration range: 0 - 1000μg/m3 ■ Standard relative humidity accuracy: 4.5% RH ■ Specified CO2 measurement range: 0 - 40000ppm ■ Accuracy: ±50.0 ■ Sensor output: 0-500 VOC Index *For more details, please download the PDF or feel free to contact us.

• Other environmental analysis equipment
• Other Sensors

CO2 sensor for indoor air quality applications with a form factor!

The "STCC4" is one of the world's smallest sensors designed for the direct measurement of CO2 gas concentration. It has greatly expanded the new possibilities for CO2 measurement applications that were previously limited by size and cost constraints. This sensor, designed to be seamlessly integrated into compact electronic devices, is a groundbreaking product in the CO2 sensor market. Additionally, this product utilizes a new technology for thermal conductivity sensing, providing the accuracy required for indoor air quality applications with low power consumption. 【Specifications (partial)】 ■ Designated CO2 measurement range: 400 - 5000ppm ■ Accuracy: ±100.0ppm ±10.0% m.v. ■ Supply voltage: 3.3V ■ Average supply current: 850uA ■ Maximum supply current: 5mA *For more details, please refer to the related links or feel free to contact us.

• Gas Detection Sensor

High CO2 accuracy compliant with inclusive building standards! The freedom of design is maximized.

The "SCD43" is a CO2 sensor that achieves class-leading accuracy specifications of ±(30pm + 3% mv). It is also compatible with strict building standards such as ANSI/ASHRAE 62.1-2022 Draft Addendum d, California Title 24, RESET grade B, and the WELL Building Standard (WELL v2). Additionally, it features an extended specified range of up to 5,000ppm and a single-shot operation mode. 【Specifications (partial)】 ■ CO2 output range: 0 - 40000ppm ■ Specified CO2 measurement range: 400 - 5000ppm ■ Accuracy: ±30.0ppm ±3.0% mv ■ Response time (τ63%): 60s *For more details, please download the PDF or feel free to contact us.

• Gas Detection Sensor

High added value, high versatility, up to 40ml/min! Provides excellent chemical resistance and outstanding media compatibility.

The "SLF3S-1300F" is a liquid flow sensor that combines our long-standing excellent track record in low and minimum flow sensing with a thoroughly optimized mechanical design, elevating its already well-established functionality to a higher level in terms of price-to-performance ratio. This sensor provides the highest level of safety, stability, and long-term reliability across a wide range of fields, including diagnostics, analytical equipment, and life sciences. Based on our proven CMOSens Technology, we optimize costs by simplifying the design without compromising fluid, electrical, or mechanical connections. 【Specifications (partial)】 ■ Full-scale flow rate (H2O): 40ml/min ■ Accuracy (H2O): 5% ■ Repeatability (H2O): 0.5% ■ Full-scale flow rate (IPA): 40ml/min ■ Accuracy (IPA): 10% *For more details, please download the PDF or feel free to contact us.

• Flow Sensor

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.

• Sensors

The pinhole inspection for packaging engineering is fully automated, eliminating packaging defects based on certain quality standards. The judgment results and operational status can be managed via a monitor screen. - Quantitative management of quality standards for the pinhole inspection process - Ensuring the quality of the product's shelf life - Establishing evaluation criteria for the manufacturing process, achieving quantitative quality assurance - Slim and space-saving design that can be connected to existing production lines - Quick changeover for product variety switching can be handled in a short time by exchanging chambers - Fully domestically produced, allowing for rapid maintenance and troubleshooting - Example target works: pillow packaging, packaged rice (packaged cooked rice), etc. *Please consult us regarding the use of this product for pharmaceuticals.

We will be closed from December 27, 2025, to January 4, 2026. Inquiries during this period will be addressed sequentially after January 5. We apologize for the inconvenience and appreciate your understanding.

Thank you very much for your continued support. We, at Marpos Co., Ltd., will be closed during the following period: Closure Period: From Saturday, December 27, 2025, to Sunday, January 4, 2026. Inquiries received during the closure period will be answered sequentially after the start of business in the new year. We apologize for any inconvenience this may cause and appreciate your understanding. Sincerely,

Fukuda Co., Ltd. has been pursuing leak detection for 60 years and is committed to advancing the future of leak testing. 【 Supporting Various Leak Tests: Air Leak Test / Gas Leak Test (Hydrogen Gas, Helium Gas) 】 We develop, manufacture, and sell leak testing equipment to inspect airtightness and sealing properties. We will propose the appropriate testers and devices for each inspection target. 【 Target Industries and Examples of Inspection Targets 】 - Automotive Industry: Engines, FC components, valves and piping, various parts - Electronic Components Industry: Smartphones, keyless switches, various small sensors - Pharmaceuticals / Food / Cosmetics Industry: Bottle containers, syringes, vials, eye drop containers, pillow packaging, PTP packaging We will propose the most suitable leak testers for each industry. 【 ISO Certification 】JIS Q 9001:2015 (ISO 9001:2015)

Fukuda's new flagship model. - Masterless type (FLA-0200 series) - General type (FLA-0201 series) Two models of air leak testers. With the mastering correction function, high-precision measurements can be achieved in a short time. Please take a look at the catalog.