www.scanlab.de
SCANcube III
high speed scanning in pocket size
As the market leader in innovative scan solutions,
SCANLAB introduces the ultra-compact SCANcube®III
scan head series that sets new standards for accuracy
and dynamic performance:
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;;;;;;;;;;;;;;;50% higher
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SCANcube® III;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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Contact us.
No Speed Limit.
Visit us at:
Photonics West 2015, Booth #2417
San Francisco, February 10-12
Tracking water quality with LEDs
Water purity is a major concern for developed and develop-
ing nations alike, with hydraulic fracturing (“fracking”) and
possible effects of climate change highlighting water-quality
concerns. The impact of natural events, such as rainfall and
accompanying runoffs, and industrial water treatment are
increasingly felt in water-distribution networks across the
world. Rapid detection of changes in water quality is critical
to ensure consumer health and environmental preservation.
Wastewater treatment plants and industrial facilities monitor influent and effluent water quality for productivity, effectiveness, and compliance with regulatory requirements. The
collection of ongoing, real-time data on contaminant levels
Table 3. Cost analysis of two water-quality monitors
35 W xenon
flash lamp UVC LEDs
Instrument cost
Lamp $447 $600
Socket $100 n/a
Power Supply $750 $50
Beamsplitter $200 $200
Detector $2000 $5
Total $3497 $855
Operating and maintenance over 5 years
Power consumption* $31 $2
Replacement lamps $447** n/a
Energy cost of $0.12/k W-hr
One replacement of the xenon flash lamp at $447 after typical life to 1E9 flashes.
Table 2. Cost analysis for two typical ozone monitors
TUV 11 W
mercury lamp UVC LEDs
Instrument cost
Lamp $25 $300
Filter $350 n/a
Power Supply $50 $50
Detector $5 $5
Heat enclosure $150 n/a
Total $580 $355
Operating and maintenance over 5 years
Power consumption* $58 $1
Replacement lamps $100** n/a
Lamp disposal $25 n/a
Total $183 $1
* Energy cost of $0.12/k W-hr
**Four annual replacements for the mercury lamp at $25 each.
