Devices for luminometer & illuminometer.

PMT (photomultiplier tubes)

In the photosensor field, photomultiplier tubes (or PMT) are known to have particularly high sensitivity. PMT also have dozens of other advantages such as high-speed response time.

UV power meters

Hamamatsu offers a new optical power meter designed to measure absolute power of UV light.

Si photodiodes

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Featuring high sensitivity and low dark current, these Si photodiodes are specifically designed for precision photometry and general photometry/visible range.

Photodiode modules

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To make our photodiodes easier to use, we offer photodiode modules with an internal current-to-voltage conversion amplifier.

Illuminance sensors

Photo IC diodes with spectral response characteristics close to human visual sensitivity. These are as easy to use as a photodiode, yet offer high current output similar to phototransistors.

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