Water / Wastewater 15 Versatile Online Viscometer Makes Real-Time Viscosity Monitoring Easy and Cost-Effective


The XL7 online viscometer from viscosity measurement specialists Hydramotion Ltd (UK) is the ideal solution to the problem of monitoring fluid viscosity in virtually any process. Uniquely advanced technology makes the high-performance XL7 one of the most robust and adaptable viscometers on the market. A typical application for the XL7 is in the methane fermentation of activated sludge, a process used in many waste water treatment plants. High sludge viscosity can adversely affect the performance of pumps, mixers and bioreactors, so it is important that it be reduced to an acceptable level. Continuous viscosity measurement using an on-line viscometer such as the XL7 makes it possible easily to monitor the progress of the fermentation in real time without having to undertake laborious, time-consuming and costly measurements of samples in the laboratory.


Ready for use straight out of the box, the XL7 provides continuous real-time viscosity measurement with high resolution, excellent repeatability and virtually unlimited range. The XL7 can be installed directly on a pipeline or tank at any location and in any orientation with no need for any ancillary pipework. The latest model stores all instrument-specific data on the transducer, giving complete flexibility of installation.


Measurements are unaffected by variations in the rate of flow or mixing, or by the presence of suspended solids or gases. The sensor naturally rejects typical plant vibration frequencies, which gives a very high output stability even in extremely noisy environments.


The XL7 is factory-calibrated to certified viscosity standards traceable to NIST and requires no on-site calibration. The sensor is an all-welded construction which can be mounted at any location and in any orientation using any process fitting. Calibration is unaffected by installation or environment. As there are no moving parts, maintenance is negligible and no spares or accessories are required.


The accompanying VP550 readout unit has a clear, easy-to-read display showing measured viscosity and/or viscosity corrected to a user-defined reference temperature. The user can select from a range of standard viscosity units including centipoise (cP), pascal-seconds (Pa·s) or centistokes (cSt) as desired. Conversion to other units is also possible. User-friendly intuitive software offers rapid access to any function or parameter for configuring or updating the system. Menu navigation is quick and easy using the simple-to-operate keypad. No programming is required. There are three user-selectable 4-20mA analogue outputs, all fully configurable, as well as an RS485 serial data link for remote viscosity monitoring and control.


Simple to hook up and use, the XL7 offers a reliable, easy-to-use and durable viscosity measurement system with an unbeatably low cost of ownership. 28991pr@reply-direct.com


Low Cost Multiparameter Water Monitoring


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Water quality monitoring doesn’t have to be a costly exercise if you’re using the AP-700 or AP-800 Aquaprobe packages from Aquaread (UK). These cost effective packages contain everything you need to begin monitoring your water.


Included in a package is the multiparameter Aquaprobe with 3m cable with metal connector, one of our GPS Aquameters, some Rapidcal calibration solution, a spare DO membrane cap, some pH storage solution and DO filling solution, a set of batteries for the meter and a screwdriver to install them, a USB cable and the AquaLink PC application. This full set is housed within a hard case with foam cutouts for all items included.


Both probes feature a newly designed, long life, replaceable galvanic dissolved oxygen sensor combined with a robust, field-proven 4 ring conductivity sensor. The AP- 800 Aquaprobe features the latest turbidity sensor, utilising tough sapphire lenses for the highest quality optical response.


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The Aquaprobes are made from marine grade, hard-anodised aluminium for deployment in both fresh and marine environments. The dense cable included in the package is strengthened with a Kevlar core for increased tensile strength and connects to our GPS Aquameter with a rugged metal connector.


The GPS meter is designed to be easy to use, quickly capturing data with one key press. The integrated GPS feature allows each data set to have its location logged, making it the ideal package for any surface or ground water application.


Online Analyser Ideal for Drinking Water and Beverage Plants


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The Seibold Composer, from SeiboldWasser (Austria) is based on reliable colorimetric technology. This colorimetric technology is rated as one of the most reliable technologies for online measurements.


Two strong points of concern brought SeiboldWasser to the conclusion that it needed a new and different online analyser design and setup to what was already being sold on the market. The first and most important point was the operational reliability. While other companies add more and more mechanical complexity, such as valves, piston pumps and small hose connections; SeiboldWasser focuses on reduced complexity, a minimised number of parts and avoidance of any moving parts.


The second point was chemistry and reagents used for


building a complex between the reagent and the heavy metal. While others embed laboratory methods with dangerous chemistry, SeiboldWasser developed a new set of modern reagents and chemistry, non-dangerous and highly sensitive to the measured heavy metal.


The SeiboldWasser Online Analyser design boasts reduced mechanical complexity for better operational reliability and reduced maintenance efforts as well as non toxic and non hazardous reagents for lower operational risk and lower costs of operation.


The non toxic and non hazardous reagents make the SeiboldWasser Composer an ideal analyser for drinking water and beverage plants. SeiboldWasser’s ability to customise the reagents composition in complex matrix waste water situations is important to industrial clients and their waste water management. The simple mechanical design results make the SeiboldWasser Composer ideal for unobserved, remote locations.


The list of heavy metals measured includes; Iron, Manganese, Chromate and Chrome, Copper, Cadmium, Lead, Mercury, Nickel and Zinc. The measurement range starts in the low ppb up to high ppm range.


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SEIBOLD Wasser Analyser COMPOSER for Drinking Water


NOT ONLY FOR IRON, MANGANESE AND ALUMINIUM seibold


Drinking Water Plants Install SEIBOLD Online Analysers


• Precise colorimetric technology leads to accurate results • Simple but reliable analyser design • Unattended longterm operation of SEIBOLD Online Analysers • Wide selection of Analysers for drinking water quality standards • Real continuous operation • Non hazardous and non toxic reagents


SEIBOLD Wasser - Analysatorenfabrik GmbH Inkustrasse 1-7


A 3400 Klosterneuburg Austria/Europe


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Phone: +43 2243 20787 www.seibold-wasser.at


613ad@reply-direct.com 614ad@reply-direct.com www.envirotech-online.com IET March / April 2014 28/01/2014 10:39


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