Water/Wastewater 43
New Optical Dissolved Oxygen Sensor Designed for Process Applications
) PRO sensor from In-Situ (USA) is designed for demanding process applic- ations and features an abrasion-resistant foil that withstands fouling, high sediment loads, and rapid flow rates. The sensor cap is pre-loaded with calibration coefficients to speed set up and elimi- nate programming errors.
The new Rugged Dissolved Oxygen (RDO®
The RDO PRO sensor offers open-
architecture communication protocols, including Modbus over RS485, SDI-12 (version 1.3), or 4-20 mA signal outputs.
The RDO PRO eliminates the need for costly external transmitters or controllers and operates on a 8 to 36 VDC input or 4-20 mA three-wire current loop. Corrosion-resistant construction and durable sensing foil design provide consistent, reproducible results (<0.05 mg/L reproducibility) in demanding environments. The RDO PRO offers reliable, low-maintenance performance to water quality specialists in municipal or industrial water and wastewater treatment plants, aquaculture settings, dam discharge applications, and food/beverage process control environments.
The In-Situ RDO sensor measures DO using the principle of “dynamic luminescence quenching” according to ASTM Method D888-05, Test Method C. Compared to Clark- cell type sensors, the RDO PRO sensor can lower the total cost of acquiring consistent, high-quality data. The In-Situ RDO sensor significantly reduces instrument checks and recalibration. The RDO PRO sensor is factory-calibrated and requires a quick two-point calibration upon deployment. The calibration can last for several months if sensor fouling is minimal and if the foil is not mechanically damaged or removed. If fouling is high, the sensor can typically be cleaned and redeployed without recalibration. Field-replaceable caps streamline maintenance, reduce costs, and eliminate programming errors.
Reader Reply Card no 143
New Aquacell S50 Strengthens Aquamatics Mcerts Wastewater Sampler Range
Aquamatic Limited (UK), the first, company to gain MCERTS for its entire range of Wastewater Samplers, has introduced the 10th model in its Aquacell range, the Aquacell S50. Representing the entry level model within its Stationary Sampler series, the S50 is designed for indoor, wall mounted applications.
The new Aquacell S50 can be mains or battery powered and can work with many of the sample collection systems offered by Aquamatic, both composite and multi bottle. Being compact in size and simple to mount the Aquacell S50 can be conveniently positioned adjacent to the customers effluent source. As with every Sampler in the Aquacell range the S50 model incorporates the well proven and dependable Aquacell Module.
Founded in 1991, Aquamatic recognised the industry demand for a high quality, user friendly Wastewater Sampler which provided all the functionality and performance levels required by users at that time. Since this date the Aquamatic product range has developed and evolved into a highly respected range of Wastewater Samplers. From the portable Aquacell P2-COMPACT to the new flagship model, the Aquacell S320H, the vast majority of sampling applications can now be provided for.
Aquamatic Managing Director, Jeremy Smith commented: “In a short space of time we have seen MCERTS become a key factor in our customers purchasing decisions. It was a foregone decision that the 10th model in our Aquacell range would be launched with MCERTS compliance. The new S50 enhances our Aquacell range and further strengthens our position as a market leader both in the UK and Overseas”. Aquamatic were presented their latest MCERTS certificate at the coveted WWEM 2008 Gala Evening in November last year.
Reader Reply Card no 145 A Revolution in On-Line Liquid Analysis
BioTector Analytical Systems Ltd. (Ireland) manufactures an innovative range of on-line liquid analysers, which apply a totally new approach to eliminating the many problems associated with on-line TOC, TN and TP measurement.
The BioTector is designed to analyse everything – from clean water to the most corrosive & polluted samples, with no filtering requirements. It’s patented oxidation method is what makes the BioTector unique. This oxidation process, known as Two Stage Advanced Oxidation (TSAO) is extremely aggressive and is therefore totally self-cleaning (Hydroxyl Radicals at an oxidation potential of 2.8 is only below fluorine). The reaction is unaffected by Chlorides (salts) up to 30% and the system can handle oils, fats and calcium up to 12.5%. Hence the BioTector is deemed to be the most reliable on-line liquid analyser on the market, with 6 month service intervals and < 99.7% uptime with an accuracy of +/- 3%. It is designed so that there is no drift and therefore calibration is not required for the correct operation of the system.
The BioTector makes direct measurements without dilution in
6.5 minutes (TOC) and on a wide variety of ranges from 0-5mg c/l all the way up to 100,000mg c/l. Up to 86,000 samples per year can be successfully measured by the BioTector and the analysers can be calibrated to read TOC, TN, NO3, TKN, TP, COD, BOD, TC, TIC and VOC.
There are now over 500 BioTector units installed worldwide, many of which are operating in applications that would have been impossible with conventional technologies.
Reader Reply Card no 142
CONTROL COAGULATION, FLOCCULATION & CRYPTOSPORIDIUM NO MORE OVER OR UNDERDOSING CONTROL WATER QUALITY
AUTO CONTROL OF COAGULANTS POLYMER DOSING CONTROL STOP FILTER BREAKTHROUGH FLOCCULATION BALANCE CONTROL
CONTROL & OPTIMISE SLUDGE DENSITY AND DE-SLUDGING
AVERAGE OPEX SAVINGS 28% REDUCE CHEMICAL/ENERGY COST
MAINTAIN HIGHER SUSTAINED WATER QUALITY
PLC INTEGRATION PROGRAMMING MULTIPLE PUMP CONTROL MIXING AND SHEAR CONTROL
TEL: +44 (0) 1324 619360 TEL +44 (0) 7971 579596 FAX: +44 (0) 1324 622399
www.achromatic.co.uk
Reader Reply Card no 144
For immediate information on products featured in this issue Please email us today!
info@iet-pub.com Reader Reply Card no 146 Annual Buyers Guide 2009 IET
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