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NANOFLU FLUOROMETER FOR CDOM MEASUREMENT



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


Light source
 
LED
 
Detector
Photo diodes
Measurement principle
Fluorescence
 
Parameter
CDOM [µg/L]
or chlorophyll a [µg/L]
or phycocyanin [µg/L]
or rhodamine [µg/L]
or fluorescein [µg/L]
Measurement range
0...200 μg/L
Measurement accuracy
± 5 %
Turbidity compensation
No
Data logger
No
T100 response time
6 s
Measurement interval
3 s
 
Housing material
Stainless steel (1.4571/1.4404) or titanium (3.7035)
Dimensions (L x Ø)
171 mm x 36 mm
~ 6.7“ x 1.4“
Weight stainless steel
0.5 kg
~ 1.1 lbs
Weight titanium
0.4 kg
~ 0.9 lbs
 
Interface digital
Ethernet (TCP/IP), RS-232 or RS-485 (Modbus RTU)
Power consumption typical
< 1 W
Power consumption with network
< 1,6 W
Power supply
12...24 VDC (± 10 %)
 
Maintenance effort
≤ 0.5 h/month (typical)
Calibration/maintenance interval
24 months
System compatibility
Modbus RTU
Warranty
1 year (EU: 2 years)
 
US: 2 years
 
Max. pressure with SubConn
30 bar
~ 435 psig
Max. pressure with fixed cable
3 bar
~ 43.5 psig
Max. pressure in FlowCell
1 bar, 2...4 L/min
~ 14.5 psig, 0.5 to 1 gpm
Protection type
IP68
NEMA 6P
 
Sample temperature
+2...+40 °C
~ +36 °F to +104 °F
Ambient temperature
+2...+40 °C
~ +36 °F to +104 °F
Storage temperature
-20...+80 °C
~ -4 °F to +176 °F
Inflow velocity
0.1...10 m/s
~ 0.33 fps to 33 fps


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