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The True All-in-One Colorimeter For More Info, email:
The pHotoFlex colorimeter series from WTW (Germany) - a Xylem brand is a great solution for outdoor monitoring and testing of water: The robust and waterproof build and the clearly structured menu navigation makes photometric water testing easy and reliable, and the storage of up to 1000 data sets with sample ID, AQA support and GLP-compliant PC documentation provide lab quality measurements.
The pHotoFlex Series colorimeters offer the only “real” multi- parameter option for photometry plus electrochemical pH measurement and turbidity measurement according to DIN/ISO standard with “drinking water accuracy” and lab-grade reliability. The unique combination of photometry, pH and turbidity measurement allows e.g. free ammonia
(NH3) and carbondioxide (CO2) measurement for applications such as aquaculture, water works and beverage industry. Additional programs for coloration according to DIN make the pHotoFlex a true “swiss army knife” among photometers.
Thanks to a flexible integral vial holder, 16 mm and 28 mm vials can be used. The range of up to 150 test kits, partly compatible with other photometers, is one of the widest available for any photometer. The test kits range from high-
quality barcoded and lot-certificated cell tests to economic powder pillows “to go”.
More than 150 test programs for routine analysis are stored, among them all typical water parameters, and they can be extended with up to 100 user-defined programs. A favourites list accessing your most frequently used test kits directly and data filter options for data transfer make for an easy use in any environment. An optional barcode use in the lab makes the pHotoFlex attractive for service labs with mixed applications as well.
The pHotoFlex Series offers a real outdoor laboratory and a benchtop solution in just one instrument. The latest model of the series, photoFlex STD is offered at a promotional price.
For More Info, email:
26613pr@reply-direct.com For More Info, email:
26614pr@reply-direct.com
Water/Wastewater 7
Nitrite Measurement Nitrite has long been
regarded as a parameter of secondary importance in wastewater plant management. However, as the limits of the total Nitrogen discharge values are getting tighter, and with the requirements of the European Water Framework Directive from 2015 onward in mind, this attitude is gradually changing.
Another reason for the limited interest for Nitrite was the fact that no cheap and
easy-to-operate on-line measuring instruments were available. Now, WTW’s (Germany) - a Xylem brand new UV spectral sensors NiCaVis 701 IQ NI and NiCaVis 705 IQ NI, covering a wave length range from 200 to 390 nm and measuring 256 wave lengths can measure Nitrite by a spectral method analogous to Nitrate. The sensors can be used not only for Nitrite and Nitrate measurement, but also for COD, TOC, BOD, DOC, SAC and UVT254 in the influent, biological tank and effluent of municipal wastewater treatment plants,.
Of course the new sensors have all the advantages of WTW’s proven UV-VIS sensors: accuracy, long-term stability, rugged titanium housing and low maintenance thanks to WTW‘s unique ultrasound cleaning system.
WATER QUALITY AND AND CONVENIENT
Multi-Parameter Depth Sonde MPP 930 for MultiLine® 3430 IDS
• Built-in pressure sensor for precise depth profiles
• User interchangeable pH, conductivity and D.O. electrodes
• Simultaneous winding and measuring WTW GmbH · Phone: + 49 / 881/183-0 ·
info@WTW.com
wtw.com email:
323ad@reply-direct.com
www.envirotech-online.com IET September / October 2013
DEPTH– ACCURATE
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