Ideal measurement data monitoring without costly installation. For temperature monitoring and documentation of storage and transport conditions according to HACCP, production facilities, refrigerators for medicines and deep-freeze warehouses. With integrated temperature sensor External sensors for temperature, humidity and pressure can also be connected via the USB port. Please order separately Pre-programmed data logger (measuring interval: 15 min), ready for immediate use Automatic data output as PDF and Excel file, no driver installation required Windows-compatible software is available for programming the logger (e.g. measuring cycle, alarm limits, start and end times for recording), please download free of charge Status and alarm LEDs with audible signal Power supply with lithium-free batteries and thus especially suitable for transport monitoring Data logger LOG40 Delivery incl. batteries. External sensors not included, please order separately.