Datalogger can measure and store over 250,000 temperature and relative humidity readings

This Lascar EL-GFX-D2 is a dual channel data logger which can measure and store over 250,000 temperature and relative humidity readings employing up to two external temperature and humidity probes. The device provides user-programmable, audible alarm thresholds with confidence/alarm LEDs. Logging rates are offered between 10 seconds and one hour. The high contrast, dot-matrix LCD with three face-buttons for navigation on the device, gives real-time trend analysis, data summaries and the capability to start, stop and restart the data logger without connecting to a PC. EasyLog USB software facilitates quick configuration and data dwnload via the USB port.

The device is supplied with two lithium batteries, which can typically provide logging for up to one year. It can also be powered from USB.