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Best Card, Best System … Pharo the new photometry system

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Optical path NOVA 30 and 60<br />

Lamp<br />

Diaphragm<br />

Lens<br />

Round Cell<br />

Lens<br />

Rectangu<br />

lar cells<br />

Mirrors<br />

(partly light permeable)<br />

Filtermoduls with Measuring<br />

Elements (each with 4 Filters)<br />

Advantage of NOVA:<br />

• Very robust, because no<br />

moving gparts<br />

• Fast measurement - at all<br />

wavelengths at <strong>the</strong> same<br />

time<br />

• Full light intensity passes cell,<br />

light is split at <strong>the</strong> end<br />

-No problems with straylight,<br />

even in full sun light no lid is<br />

necessary<br />

• Measures easily high<br />

absorbance<br />

• Only specific wavelengths<br />

available<br />

June 03, 2008 Complete solutions Page 26

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