nanoFlu fluorometers are low-priced, submersible miniaturized fluorometers for highly precise and selective measurement of CDOM (colored dissolved organic matter, yellow substances), chlorophyll a or phycocyanin in cyanobacteria. Long-term stability of measurements is ensured by the combination of low power consumption and innovative coating of the optical window, as an energy efficient and environmentally friendly anti-fouling solution. The devices can be used in diverse applications for the monitoring of sea and river waters, as well as in drinking- and wastewater treatment systems. Internal reference signals of the high performance LEDs used for fluorescence excitation compensate aging effects and temperature influences.
Specification
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Light source
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LED
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Detector
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Photo diodes
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Measurement principle
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Fluorescence
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Parameter
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CDOM [µg/L]
or chlorophyll a [µg/L]
or phycocyanin [µg/L]
or rhodamine [µg/L]
or fluorescein [µg/L]
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Measurement range
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0...200 μg/L
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Measurement accuracy
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± 5 %
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Turbidity compensation
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No
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Data logger
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No
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T100 response time
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6 s
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Measurement interval
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3 s
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Housing material
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Stainless steel (1.4571/1.4404) or titanium (3.7035)
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Dimensions (L x Ø)
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171 mm x 36 mm
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~ 6.7“ x 1.4“
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Weight stainless steel
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0.5 kg
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~ 1.1 lbs
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Weight titanium
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0.4 kg
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~ 0.9 lbs
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Interface digital
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Ethernet (TCP/IP), RS-232 or RS-485 (Modbus RTU)
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Power consumption typical
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< 1 W
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Power consumption with network
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< 1,6 W
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Power supply
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12...24 VDC (± 10 %)
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Maintenance effort
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≤ 0.5 h/month (typical)
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Calibration/maintenance interval
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24 months
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System compatibility
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Modbus RTU
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Warranty
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1 year (EU: 2 years)
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US: 2 years
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Max. pressure with SubConn
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30 bar
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~ 435 psig
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Max. pressure with fixed cable
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3 bar
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~ 43.5 psig
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Max. pressure in FlowCell
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1 bar, 2...4 L/min
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~ 14.5 psig, 0.5 to 1 gpm
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Protection type
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IP68
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NEMA 6P
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Sample temperature
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+2...+40 °C
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~ +36 °F to +104 °F
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Ambient temperature
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+2...+40 °C
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~ +36 °F to +104 °F
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Storage temperature
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-20...+80 °C
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~ -4 °F to +176 °F
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Inflow velocity
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0.1...10 m/s
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~ 0.33 fps to 33 fps
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Malaysia
