UVA/UVC Light Meter/Datalogger
Extech SDL470 UVA/UVC Light Meter & Datalogger
High-precision UV radiation monitoring and data acquisition for industrial, medical, and environmental safety validation.
The Extech SDL470 is a professional-grade, high-performance diagnostic instrument engineered for engineering specialists, laboratory technicians, and safety auditors who require precise measurement and long-term logging of ultraviolet light exposure. Designed with dual-sensor capabilities, this advanced meter measures both UVA (long-wave) and UVC (short-wave) radiation, making it an indispensable tool for verifying the performance of UV curing systems, testing medical sanitization equipment, and conducting comprehensive occupational safety audits.
By streaming recorded data directly to a standard SD card in a native Excel format, the SDL470 bypasses the need for proprietary software, enabling seamless data integration and immediate reporting for technical compliance.
Key Technical Capabilities
Dual-Spectrum UV Detection: Utilizes dedicated, high-precision sensors to capture UVA (365 nm) and UVC (254 nm) irradiance levels across industrial and sterile environments.
Direct-to-SD Excel Logging: Automatically records measurements with an accurate date and time stamp onto a standard SD card in .XLS format, simplifying complex data transfer and analysis on any PC.
Adjustable Sampling Rates: Allows technicians to configure data sampling intervals from 1 to 3600 seconds, adapting effortlessly to rapid diagnostic profiling or extended environmental monitoring.
Cosine Correction & Filter Optimization: Built with a high-quality cosine-corrected sensor matrix and an integrated UV filter to guarantee uniform sensitivity and stable, reliable readings.
Advanced Data Management: Features Max/Min value tracking, Data Hold to freeze active measurements on screen, and an automatic power-off override option for uninterrupted logging.
Technical Specifications Summary
| Parameter | Measurement Range | Basic Accuracy |
| UVA Irradiance | 2 mW/cm² to 20 mW/cm² | ±4% Full Scale |
| UVC Irradiance | 2 mW/cm² to 20 mW/cm² | ±4% Full Scale |
| Datalogging Capacity | Up to 20M records (2GB SD Card) | Date & Time stamped |
Equip your technical operation with definitive ultraviolet validation and data tracking