The DM650HM is a battery powered digital humidity gauge and alarm.  With built in sensors, it can display % relative humidity, temperature, dew point and delta temperature, on a 6-digit LCD display..  As it has a low energy electronic design, 1 alarm relay and 5000 point data logging are built in, along with on screen messaging to alert a user to take action.  Datalogging can be accessed through the built in USB port and free software application.  Visit the software page to download the USB Loglink software.

Features:

• % RH, temperature, dew point and delta T
• Battery Powered - no external wiring
• Alarm Relay output
• USB and NFC interface
• User configured display messages
• 5000 point datalogger