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ENVIROFLU FLUOROMETER FOR MEASUREMENTS OF PAH (POLYCYCLIC AROMATIC HYDROCARBONS)



PAH, oil-in-water using UV fluorescence
 
enviroFlu-HC is the new generation of immersion sensors for measurement of oil-in-water. The used measuring principle of UV fluorescence is much more sensitive than the conventionally used infrared scattering or absorption method. This allows to determine even the slightest traces of PAH's, for example in drinking water and cooling water condensates.
Application areas include the petrochemical industry, leakage detection in cooling and wastewater streams as well as environmental monitoring. The devices enable both stationary use in shafts, flows or piping, and mobile use through an optional hand-held measuring instrument. An innovative coating reduces fouling of the optical measuring window and minimizes the maintenance.

Light Source
 
Xenon flash lamp + filter (254 nm)
 
Detector
Photo diode + filter (360 nm)
Measurement principle
Fluorescence
 
Parameter
PAH, oil
Measuring range
enviroFlu-HC500
PAH: 0...50 ppb, 0...500 ppb
Oil: 0...1.5 ppm, 0...15 ppm typical
 
enviroFlu-HC5000
PAH: 0...500 ppb, 0...5000 ppb
Oil: 0...15 ppm, 0...150 ppm typical
Measurement accuracy
enviroFlu-HC500 :0.3 ppb
enviroFlu-HC5000: 0.5 ppb
Turbidity compensation
No
Data logger
No
T100 response time
≤ 10 s
Measurement interval
≥ 5 s
 
Material
Housing: Stainless steel (1.4571/1.4404) or titanium (3.7035)
Measuring Head: black POM with synthetic quartz glass
Dimensions (L x Ø)
311 mm x 68 mm
~12.2˝ x 2.6˝
Weight stainless steel
~ 2.7 kg
~ 6 lbs
Weight titanium
~ 1.9 kg
~ 4.2 lbs
 
Interface digital
RS-232 (TriOS)
Interface analog
4...20 mA, 0...5 V
Power consumption
≤ 3.5 W
Power supply
12...24 VDC (± 10 %)
 
Maintenance effort
≤ 0.5 h/month (typical)
Calibration/maintenance interval
24 months
System compatibility
Analog Out (0...5 VDC, 4...20 mA)
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
Deepsea version
600 bar
~ 8702,26 psig
Protection type
IP68
NEMA 6P
 
Sample temperature
+2...+40 °C
~ +36 °F to +104 °F
Ambient temperature
-5...+55 °C
(0...+40 °C for specified accuracy)
~ +23 °F to +131 °F
(~ 32 °F to 104 °F for specified accuracy)
Storage temperature
-20...+80 °C
~ -4 °F to +176 °F
Inflow velocity
0.1...10 m/s
~ 0.33 fps to 33 fps
Max. immersion depth
300m with SubConn 8-pin underwater connector
30 m with fixed cable
optional: 6000m Deepsea version
~ 984 ft with SubConn 8-pin underwater connector
~ 98 ft with fixed cable
optional:~ 19685,04 ft Deepsea version


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