The DL2 is a temperature probe designed for monitoring in industrial and cold chain environments. It locally stores up to 60,000 temperature data records, allowing for easy access to historical data. The DL2 is rugged enough for harsh environments and has a 5-year service life. Each unit undergoes factory testing prior to shipment to verify temperature accuracy. Even after installation, the probe can be detached for regular calibration. Various mounting options allow for installation in temperature-controlled containers, pharmaceutical storage facilities, and cold chain logistics applications.