WATER-PAM Chlorophyll Fluorometers for Dilute Samples

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The WATER-PAM is the PAM fluorometer of choice when very low chlorophyll contents of samples require outstandingly sensitive fluorescence detection. The three different types of the WATER-PAM are designed to analyze suspension samples, surfaces, or a continuous water flow, respectively.

The parameters measures are chlorophyll content and photosynthetic activity. All WATER-PAM chlorophyll fluorometers can be operated in the stand-alone mode which facilitates measurements in the field.

The WATER-PAM chlorophyll fluorometers achieve outstanding sensitivity by fluorescence detection with a particularly red-sensitive photomultiplier combined with special preamplifier electronics. In this way, detection limits for suspensions down to 0.1 µg chlorophyll/liter are achieved.

Damage to the susceptible photomultiplier tube by external radiation is averted by an automatic switch-off circuit. Consequently, the photomultiplier tube is shielded from external light during measurements.

A further feature of WATER-PAM chlorophyll fluorometers is that they can be operated independently from line connection and computer by the battery-powered PAM-CONTROL unit. 

The same PAM-CONTROL unit functions as a physical interface between measuring unit and computer for operation of the WATER-PAM by the WinControl software.