microFlu V2 HC

Submersible miniature fluorometer for highly accurate and selective measurement of oil in water.

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microFlu V2 HC is a new immersion probe for measuring oil in water. The measuring principle of UV fluorescence used is many times more sensitive and specific than the conventionally used infrared scattering or absorption methods. This makes it possible to determine even the smallest traces of PAHs, e.g. in drinking water, but also in cooling water condensates. The field of application ranges from petrochemistry, leakage detection in cooling and waste water streams to environmental monitoring. The instruments can be used stationary in manholes or in flow-through, as well as in pipelines. A nano-coating reduces the contamination of the optical measuring windows and thus reduces the required maintenance to a minimum.
microFlu V2 HC is equipped with an RS-485 interface that allows easy and fast sensor configuration via Modbus and also has an analog interface. Integration with existing process control systems and external data loggers has never been easier.

• without sampling and sample preparation
• without delay
• without reagents
• high sensitivity and selectivity
• optical windows with nano-coating

• Surface waters
• Drinking water
• Waste water
• Airports
• Cooling water
• Desalination plants
• Refineries / Gas stations
• Seepage ditch (road run-off water)
• Pipeline monitoring
• Bilge water monitoring

microFlu V2 HC datasheet

Light Source
LED 255 nm
Detector
Photodiode + Filter (360 nm)
Measurement principle
Fluorescence
Parameter
PAH, Oil
Measuring range
PAH: 0…5000 ppb
Oil: 0…150 ppm typ.
Detection limits
PAH: 5 ppb
Oil: 0.15 ppm typ.
Measurement accuracy
±10 % FS
Turbidity compensation
No
Data logger
No
T100 response time
6 s (default)
Measurement interval
3 s (default)
Housing material
Stainless steel (1.4571/1.4404) or titanium (3.7035)
Dimensions (L x Ø)
~ 162 mm x 48 mm
~ 6.4“ x 1.9“
Weight stainless steel
~ 650 g
~ 1.4 lbs
Weight titanium
~ 510 g
~  1.1 lbs
Interface digital
RS-485, Modbus RTU
4…20 mA (default)
Interface analog
0 – 5 V
0 – 10 V
Power consumption typical
max. 0.6 W
Power consumption with activated analog interface
max. 1.1 W
Power consumption Power-Down
max. 70 mW
Power supply
12 – 24 VDC (± 10 %)
Maintenance effort
≤ 0.5 h/month (typical)
Calibration/maintenance interval
24 months
Warranty
1 year (EU: 2 years)
USA: 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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