STG-HA11-F4.26 NDIR Gas Sensor High Sensitivity NTC Compensation 1.6×1.6mm Window -30~85°C | SENBA

The STG-HA11-F4.26 from SENBA’s NDIR Series is a high-sensitivity non-dispersive infrared gas sensing module designed for accurate and stable gas detection in indoor and industrial environments. Integrated with NTC thermistor compensation, it provides enhanced temperature stability and reduced measurement drift for reliable long-term performance.

Featuring a compact optical window size of 1.6×1.6mm, the STG-HA11-F4.26 ensures efficient infrared signal transmission while maintaining strong detection sensitivity. With a low noise voltage of 45nV/Hz¹ᐟ², the sensor delivers precise gas concentration measurements with improved signal clarity and stability.

Engineered for robust environmental performance, the device operates within a temperature range of -30°C to +85°C and supports storage conditions from -30°C to +100°C, ensuring durability in demanding applications.

The STG-HA11-F4.26 is widely used in indoor air quality monitoring systems, HVAC and central ventilation equipment, in-car air purification systems, and industrial gas detection applications, providing reliable infrared gas sensing performance in various environments.

Key Features:

• NDIR (Non-Dispersive Infrared) gas sensing technology
• High sensitivity detection performance
• Integrated NTC thermistor compensation
• Window size: 1.6 × 1.6mm
• Low noise voltage: 45nV/Hz¹ᐟ²
• Operating temperature: -30°C to +85°C
• Storage temperature: -30°C to +100°C
• Stable long-term measurement accuracy

Applications:

• Indoor air quality monitoring systems
• HVAC and central ventilation equipment
• In-car air purification systems
• Industrial gas detection systems
• Environmental monitoring devices
• Smart air safety control systems