Devices for water pollution monitor.

Xenon flash lamp modules

Xenon flash lamp modules are compact devices that integrate a xenon flash lamp (2W or 5W), power supply, and trigger socket. They provide high intensity, high repetition flashes across a broad spectrum from ultraviolet to infrared.

PMT modules

The PMT module is basically comprised of a photomultiplier tube to convert light into electrical signals, a high-voltage power supply circuit, and a voltage divider circuit to distribute the optimum voltage to each dynode, all assembled into a single compact case. In addition to these basic PMT modules, Hamamatsu also provides modules having various additional functions such as signal processing, cooling and interface to PC.

Deuterium lamps

These are the next generation of deuterium lamps that deliver the high stability, high output and long service life required in deuterium lamps for spectrophotometry.

Xenon flash lamps

Xenon flash lamps are more compact than continuous mode lamps and build up less heat. They provide a high-intensity continuous spectrum from deep ultraviolet light to ultraviolet light to visible light to infrared light.

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.

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.

Si APD

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Si APDs are high-speed, high sensitivity photodiodes having an internal gain mechanism, and can be used in measurements at very low light levels.

APD modules

C12703,C12703-01

These are high-speed, high-sensitivity photodetectors using an APD. An APD, a low-noise amplifier, and a bias power supply are assembled together in a compact case. Simply connecting to a low voltage DC power supply allows light measurements with an S/N level dozens of times higher than PIN photodiodes.

Infrared detectors

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Detectors with sensitivity to wavelengths above 1 µm. Careful selection of material combinations allows offering a variety of types that cover a broad spectral range.

CCD image sensors (for spectrophotometry)

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CCD image sensors suitable for high-precision spectrophotometry.
Back-thinned type CCD are designed to deliver high quantum efficiency (90% or more at peak sensitivity wavelength).

Mini-spectrometer

C11482GA,C9406GC

These are near infrared typ mini-spectrometers.

LED

L10660,L12771

Long wavelength LED with peak emission wavelength at 1.45 um ideal for sensing water content

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