This dual channel data logger measures and stores over 250,000 temperature and relative humidity readings using up to two external temperature - humidity probes*. It has user-programmable, audible alarm thresholds with confidence/alarm LEDs.

Its high contrast, dot-matrix LCD with three face-buttons for navigation gives real-time trend analysis, data summaries and the ability to start, stop and restart the data logger without connecting to a PC. EasyLog USB software enables quick configuration and data download via the USB port. Supplied with two lithium batteries, which can typically allow logging for up to 1 year. It can also be powered from USB.

Logging rates between 10 seconds and 1 hour
Stores over 250,000 readings per channel for temperature and humidity
User triggered logging mode
Up to two channels supported (supplied with one probe)
*only one probe is included with the device.

Measurement Range: -30 to +80ºC (-22 to +176ºF)
Accuracy (overall error): ±0.3ºC (±0.6ºF) typical
Resolution: 0.1ºC (0.2ºF)
Relative Humidity:
Measurement Range: 0 to 100%RH
Accuracy (overall error): ±2.05%RH typical (20 to 80%RH)
Resolution: ±0.1%RH
Dew Point Accuracy: ±1.1ºC (±2.0ºF) typical
Probe Cable Length: 2m (only one probe supplied)
Battery Life: 1 year