• Utilizes precision silicon photo diode and spectral response filter
  • Date/time stamps and stores readings on an SD card
    • Excel format for easy transfer to a PC
  • Manually store/recall up to 99 readings
  • Type K/J Thermocouple input for high temperature measurements
  • Record/Recall MIN, MAX readings
  • Data Hold plus Auto power off with disable function
  • Zero function
  • Built-in RS-232 interface

What's in the Box

  • 6 AA batteries
  • SD card
  • Hard carrying case
  • Light sensor with protective cover


The Extech SDL400 light meter and data logger records data on an SD card in Excel® format for easy transfer to a PC for analysis. The SDL400 has a selectable data sampling rate from 1 to 3600 seconds and a large a backlit display.


This product can be used in the following applications:

In Stock

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$336.99 50 in stock

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