HT INSTRUMENTS HT309 Digital LED Light Lux Meter

The HT Instruments HT309 is digital light meters used to measure illuminance up to 400k Lux through a silicon photodiode sensor.

The HT309 also allows measuring illuminance of LED sources with various colours by setting the relevant correction factors, further to measuring luminous intensity (expressed in Candles).

    HT Instruments HT309 User Manual

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