VF504-B1 UV Sensor 185–290nm 28±2mm Φ18±2mm 8mm Deep UV Detection 4V High Sensitivity -30~80°C | SENBA

The VF504-B1 from SENBA’s VF Series is a high-sensitivity ultraviolet sensing device designed for accurate detection in the deep UV wavelength range. Covering 185–290nm with strong response characteristics in the UV spectrum, this sensor is optimized for applications requiring reliable and precise ultraviolet radiation monitoring.

Featuring a compact mechanical structure of 28±2mm length with a Φ18±2mm sensing area and 8mm package height, the VF504-B1 ensures stable optical performance while supporting easy integration into industrial and environmental detection systems. The device operates at a typical 4V supply, enabling efficient low-power UV sensing operation.

With a spectral sensitivity peak around 220–300nm, the sensor provides strong response to germicidal and short-wave UV sources. It is designed for stable operation across a wide temperature range of -30°C to +80°C, making it suitable for both indoor and outdoor environments.

The VF504-B1 offers high sensitivity (typical output ~1000), ensuring reliable detection even under low UV intensity conditions, making it ideal for safety, industrial, and scientific applications.

Key Features:

• UV detection range: 185–290nm
• Peak sensitivity: 220–300nm
• High UV sensitivity output (~1000)
• Operating voltage: ~4V low power design
• Compact structure: 28±2mm length
• Sensor diameter: Φ18±2mm
• Package height: 8mm
• Wide operating temperature: -30°C to +80°C
• Stable deep UV response performance

Applications:

• UV sterilization monitoring systems
• Flame and fire detection
• Industrial UV curing equipment
• Environmental UV radiation monitoring
• Scientific UV measurement instruments
• Safety and UV exposure detection systems