KROHNE OPTISENS OAS 2000 EN - Manual (Page 41)

TECHNICAL DATA
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OPTISENS OAS 2000
www.krohne.com 07/2010 - MA OAS 2000 R02 en
7.2 Technical data
INFORMATION!
•
The following data is provided for general applications. If you require data that is more
relevant to your specific application, please contact us or your local representative.
• Additional information (certificates, special tools, software,...) and complete product
documentation can be downloaded free of charge from the website (Download Center).
Submersible version Inline version
Measuring system
Measuring principle Transmitted light absorption principle, pulsed NIR 880 nm, with
reference measurement, temperature-compensated.
Reflection and absorption of light on suspended solids and sludge
particles. The light passes the measured particles between the
emitter and the detector in a straight line.
Application range Continuous measurement of
suspended solids in waste water
and sludge (e.g. in aeration
basins).
Continuous measurement of
suspended solids in pump lines
for waste water and sludge (e.g.
in pump lines for return sludge).
Measured value Suspended solids concentration
Design
Modular construction
A typical measuring system consists of:
• MAC 080 multiparameter converter
• 1 (or up to 4) OPTISENS 2000 sensors
• Solenoid valves to control spray cleaning
Assemblies for submersion or
side wall installation.
Ball valve assembly for inline
installation.
Measuring range 0...20000 mg/l (ppm),
min. 0...100 mg/l (depending on
the sludge type)
0...5% suspended solids,
min. 0...100 mg/l (depending on
the sludge type)
Flushing Flushing using clean water or compressed air.
Pressure: 6 bar / 87 psi Pressure: 2 bar / 29 psi above
process pressure, max. 10 bar /
145 psi
Solenoid valve: available in 220 V and 117 V versions, up to 2 sensors
can be operated on a single valve.
Flush hose: ¼" external diameter, PE, standard length: 10 m / 32.8 ft
.book Page 41 Friday, July 2, 2010 1:49 PM