Records state changes, electronic pulses, and mechanical or electrical contact closures from external sensing devices.

• One logger with four recording modes

• Internal reed switch can be used to determine when a door or window is open or closed
• Compatible with a wide range of external sensors
• Ships with 2.5 mm input cable
• Compatible with HOBOware and HOBOware Pro software for logger setup and graphing/analysis

Ideal for monitoring energy consumption, mechanical equipment operation, and water and gas flow. 1 Hz maximum state, event, runtime frequency.