HOBO Light On/Off Data Logger Onset U9-002

Records light on and off conditions, the light threshold is adjustable from 10 to 100 lumens/m2.

Features

• Monitors light on and off conditions and includes a user-adjustable sensitivity control.
• Records up to 43,000 state changes.
• Includes mounting kit with magnet, hook and loop tape, 3/8″ double-sided tape.