LI-COR LI-250A Light Meter

Direct digital readout displays instantaneous sensor output of 15 second averages. Measures µmol, lux k lux or Wm-2. Meter automatically selects range with best accuracy and resolution for a given input signal so that measurements can be made in a variety of light environments. High quality amplifier provides automatic zeroing capability and long term stability. Calibration multipliers can be entered easily, and two sensor multipliers can be stored in memory. HOLD key allows you to retain current reading or switch to measurement mode for continuous update of display. Low battery indicator. Automatically shuts off after 20 minutes of inactivity. Avoid contact with water. Sensors sold separately.