Lascar EL-GFX-2+ Standalone USB Data Logger - Lascar EL-GFX-2+ CAL-T/H, The Lascar EL-GFX-2+ is a Standalone USB Data Logger that measures and stores up to 252,928 temperature and humidity readings over a -30°C to +80°C (-22°F to 176°F) and 0 to 100%RH range at a resolution of 0.1°C (0.1°F) and 0.1%RH.Using the Windows control software (available as a free download from www.easylogusb.com) the user can quickly set up the logger name, sample rate, alarm settings and start mode (immediate start, push to start, delayed start or temperature/humidity triggered start). This software can later be used to download the stored data which can be graphed, printed and exported to other applications.The data logger features a dot-matrix LCD and three face-buttons to navigate through an on-screen menu. This menu provides the user with access to real-time trend analysis, data summaries and the ability to start, stop and restart the data logger without the need to connect the data logger to the host-PC