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The Seapoint Rhodamine Fluorometer (SRF) is a high-performance, low power instrument for in situ measurements of Rhodamine WT. Its small size, very low power consumption, high sensitivity,
wide dynamic range, 6000 meter depth
capability, and open or pump-through sample volume options provide the power and flexibility to measure Rhodamine WT in a wide variety of conditions. The SRF uses modulated green LED lamps and a narrow-band excitation filter to excite Rhodamine WT. The fluorescent light emitted by the Rhodamine WT passes through an orange emission filter and is detected by a silicon photodiode. The low level signal is then processed using synchronous demodulation circuitry which generates an output voltage proportional to Rhodamine WT concentration. The SRF may be operated with or without a pump. The sensing volume may be left open to the surrounding water, or, with the use of the supplied cap, can have water pumped through it. Two control lines allow the user to set the range to one of four options. These lines may be hardwired or microprocessor controlled to provide a suitable range and resolution for a given application. The sensor is easily interfaced with data acquisition packages; a 5 ft. pigtail is supplied. Custom configurations are available.

Seapoint Turbidity Meter Versions are available for cabled and bulkhead mounting. A popular boosted gain option is available for extremely clear water applications such as hydrothermal vent detection.
Please enquire for details.
The Seapoint Turbidity Meter detects light scattered by particles suspended in water, generating an output voltage proportional to turbidity or suspended solids. The low power requirements make it ideal for applications where battery drain is a concern. Range is selected by two digital lines which can be hard wired or microprocessor controlled, thereby choosing the appropriate range and resolution for measurement of extremely clean to very turbid waters.

DESCRIPTION- The Seapoint Chlorophyll Fluorometer (SCF) is a high-performance, low power instrument for in situ measurements of chlorophyll a. Its small size, very low power consumption, high sensitivity, wide dynamic range, 6000 meter depth capability, and open or pump-through sample volume options provide the power and flexibility to measure chlorophyll a in a wide variety of conditions. The SCF uses modulated blue LED lamps and a blue excitation filter to excite chlorophyll a. The fluorescent light emitted by the chlorophyll a passes through a red emission filter and is detected by a silicon photodiode. The low level signal is then processed using synchronous

DESCRIPTION The Seapoint Rhodamine Fluorometer (SRF) is a high-performance, low power instrument for in situ measurements of Rhodamine WT.
Seapoint Turbidity Meters are very low-power, miniature sensors for turbidity and suspended solids detection and measurement.
DESCRIPTION- The Seapoint Chlorophyll Fluorometer (SCF) is a high-performance, low power instrument for in situ measurements of chlorophyll a.

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