IFAT 2014 Preview - Water / Wastewater Maintenance-free SAC Measurement
The spectral absorption coefficient (SAC) at 254 nm is a sum parameter that serves as a measure for the organic load of water similar to COD. The new sensor UV 700 IQ SAC, from WTW, a Xylem brand (Germany), allows the user to detect this parameter directly and without the need to add any chemicals. Time consuming and expensive sample-taking and sample-preparation, as well as the use of reagents, are no longer needed due to the optical measurement directly in the medium. Wear of parts and maintenance are no issues thanks to the integrated WTW ultrasonic cleaning system. The used materials Titanium and PEEK guarantee an extreme durability even in corrosive media.
Typical applications of the UV 700 IQ SAC sensor are the detection of changes in loads. Influent and effluent of wastewater treatment plants as well as organic loads in rivers and lakes can be monitored.
The new sensor can be integrated directly into existing or new IQ SENSOR NET systems, with the following advantages: flexibility, modularity, security and a simple parameter extension.
Your advantages at a glance: Optical measurement – no reagents required, SAC and UVT measurement (254 nm), Measurement directly in the medium, Maintenance-free WTW ultrasonic cleaning system, No wear parts and extremely robust due to the materials Titanium and PEEK.
For More Info, email: email:
For More Info, email: email:
29191pr@reply-direct.com Digital Multi-Parameter Sondes for Spot Measurements Down to 100m
With the new multi-parameter sondes MPP 910 IDS and MPP 930 IDS, from WTW, a Xylem brand (Germany), the common standard parameter pH, dissolved oxygen, conductivity and temperature can be determined down to depths of maximum 100m.
The MPP 910 IDS has one socket, the MPP 930 IDS three sockets for the new IDS sensors with plug heads. The smart plug head system allows the most convenient and easy change of cables and sensors. The thin heavy-duty cables are aramid reinforced and very easy to handle.
Both sondes have the same pressure sensor for depth measurement. The depth measurement is corrected for the level of the sensor tips. It is also corrected for barometric pressure and in case of an engaged salinity function automatically compensates the density of sea water as well. A special cable reel with sliding contacts (for cables up to 100m) allows a convenient and continuous measurement when winding the sensor up or down. Both sondes work exclusively with WTW’s Multi 3430 handheld multi-parameter instrument. Applications for these new sondes are spot depth profile measurements at barrages, lakes, reservoirs, ground water and bore hole measurements.
For More Info, email: email:
For More Info, email: email:
29192pr@reply-direct.com
5
IQ Sensor Net FOR ALL
MEASURING TASKS IN SEWAGE PLANTS
Single point measurement or sensor network – The entire sewage plant analytics online!
O2, pH, PO43-, carbonate and nitrogen parameters, as well as turbidity.
Hall A5 135/234
WTW GmbH · Phone + 49 / 881/183-0 ·
info.WTW@xyleminc.com
wtw.com
For More Info, email: email:
For More Info, email: email:
WTW-Az_EN_250x176_Environmental.indd 1
1932ad@reply-direct.com 18.03.2014 14:38:59
www.envirotech-online.com IET March / April 2014
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