22 Water / Wastewater


New Digital Rate & Totalising Flowmeter


NEW Paper Validates Automated versus Manual Colony Counting


Synbiosis (UK), a long-established, expert manufacturer of automated microbiological systems, is delighted to announce a new paper entitled, ‘Evaluation of heterotrophic plate and chromogenic agar colony counting in water quality laboratories’ has been published in the peer-reviewed journal, Methods X. The paper details how scientists at the Australian Water Quality Centre (AWQC) have for the fi rst time independently validated that results from the ProtoCOL 3 automated colony counter are as accurate as manual colony counting.


Titan Enterprises (UK) has announced the launch of the Pulsite Solo an affordable battery powered rate and total fl owmeter. Offering the fl exibility of panel, wall or surface mounting this new digital display instrument has been designed for use with switch, coil and magnetic sensor inputs. With housing constructed from durable polymer, and sealed to IP65 specifi cations, the Pulsite Solo can be used in a wide range of operating environments.


Programming is simple using two push buttons and logical prompts in English on the LCD display. The replaceable battery life is estimated to be well in excess of 5 years when the Pulsite Solo is used as a totaliser. With rate readings the life of the Pulsite Solo will depend on the duty cycle but is still several years. The Pulsite Solo can also be externally dc powered if required. The meter will take frequencies from dc through to 2 KHz and scale them to display rate or total. The scaling factors are adjustable from 0.01 to 9999 and the time base is selectable as seconds, minutes or hours.


For More Info, email: email:


For More Info, email: email:


37389pr@reply-direct.com


The article describes how microbiologists at AWQC, a leading NATA (National Association of Testing Authorities) accredited water testing laboratory in Adelaide, Australia cultured microorganisms isolated from one hundred water samples on MI agar chromogenic agar and yeast extract agar as an HPC (Heterotrophic Plate Count). The plates were then counted manually and with a ProtoCOL 3 automated colony counter to detect and enumerate total coliforms, E. coli and heterotrophic microorganisms such as bacteria, yeast and moulds.


In total around 1500 counts were performed with the ProtoCOL 3 and by manual counting. The results showed no signifi cant differences in the counting methods for measurement of water quality compliance for either the chromogenic or yeast extract agar plates. Therefore, the AWQC microbiologists concluded in the paper that the sensitivity and specifi city of automated counting was comparable to manual counting.


The accuracy of the ProtoCOL 3 in this study is due to the system’s sensitive camera and unique three colour method of imaging, as well as the ProtoCOL 3’s powerful software for analysing the data. It is these features which led the paper’s authors to report that using this automated colony counter could help provide a standard and consistent counting methodology with less operator error; eliminate manual entry of data into a LIMS; improve labour and time effi ciency with reduced cost and allow reporting of results to customers more rapidly.


To request free access to this informative new paper, scientists should visit the Synbiosis website.


Kate George, Divisional Manager at Synbiosis, commented: “It can take at least fi ve times longer to manually count a pour plate when compared to using our Protocol 3. This is why we’re very excited about this new paper because it is the fi rst time that automated colony counting has been validated to be as accurate as manual colony counting by a prestigious, independent water testing facility.”


Kate concluded: “Having good statistical evidence demonstrating both methods produce comparable results indicates that a ProtoCOL 3 could signifi cantly increase productivity without compromising on data quality, making the ProtoCOL 3 automated colony counter an excellent choice for any water testing organisations requiring fast, accurate microbiological analysis of water samples.”


For More Info, email: email:


For More Info, email: email:


37417pr@reply-direct.com


Our Guide Issue is coming up. Make sure you’re in and listed! Don’t miss out, visit: www.envirotech-online.com


IET Nov/Dec 2015_Layout 1 01/12/2015 12:21 Page 1 REFEX sensors ltd


Electrodes for Potable Water Treatment Offer Savings of £1 Million per Year


TM pH


REFEX - The Ultimate pH Sensors for Potable and Sewage Water Treatment


• Optimized Coagulation (cold low ionic raw waters) • Optimized Primary and Secondary Filtration • Accurate without diffusion potential errors (normally pH 0.3 error)


• Instant response to pH change - No overshoot beyond • Hi/Lo set points • GBP 2000,--/month/WTW chemical savings • Maintenance Free (almost) • Total savings GBP 45000,--/WTW/Year • 5 Years electrode Life • 3 Year Warranty • Patented


We offer a Try-It / Buy-It free evaluation for new customers.


“REFEX the First to Last”


Please contact us - email office@upm.at, call +43 1 259 2209 13 or visit www.upm.at


For More Info, email: email:


IET January / February 2016 www.envirotech-online.com


For More Info, email: email:


For More Info, email:


UPM-Messgeräte Vertriebsges.m.b.H, Viktor-Kaplan-Strasse 9B/E, A-2201 Gerasdorf/Vienna, Austria


5112ad@reply-direct.com


Refex (Ireland) has supplied Irish water companies with the EC-3/4”-2001-Pt1000-LE all in one combination electrode for use in 120 pH measurement systems.


Compatible with all good quality pH instruments possessing dual high impedance inputs for pH and reference electrodes, the EC-3/4”-2001-Pt1000-LE boasts the patented and unique Refex solid-state non-porous reference interface. Zero liquid contact or exchange between the waters being tested and the Refex internal Ag/AgCl half-cell results in assured mV integrity.


In addition to the above benefi ts, the non-porous quality of the Refex electrode means that it cannot be fouled or poisoned, and prevents all KCl electrolyte dilution/wash out. As a result, electrode life in the Refex fl ow cell can exceed an incredible 5 years. Unlike Refex non-porous electrodes, electrodes with porous reference junctions need to be replaced every 6 - 12 months. Further, the non-porous reference interface/barrier provides the ultimate accuracy without any diffusion potential errors (normally pH 0.3 in cold low ionic raw- waters).


For water utility companies operating several hundred pH installations, the Refex electrode provides considerable cost and time saving benefi ts. Under usual circumstances, pH electrode maintenance is weekly. However, Refex electrodes are extremely reliable and almost maintenance free, requiring only a hose wash and buffer check every 90 days. This results in a real-world reduction of 1 man hour of maintenance per week for each pH loop, ordinarily costing around £40 an hour – quite a sum of money that can now be saved thanks to Refex!


And the savings continue. Important for optimised coagulation, this electrode responds instantly to pH change. This lightning-fast response saves £2000 per month on correction and coagulation/fl occulation chemicals at each Water Treatment Works (WTW) because there is no over-shoot beyond the high/low pH control set points. This is a considerable reduction in costs for the water utility companies, many of which average 5 pH loops per WTW. Optimised coagulation also has knock-on advantages downstream, especially for primary and secondary fi ltration.


Electrode life in the Refex fl ow cell can exceed an incredible 5 years. Unlike Refex non-porous electrodes, electrodes with porous reference junctions need to be replaced every 6 - 12 months due to reference electrode degradation and KCl electrolyte wash-out/dilution that causes mV drifting and errors.


Refex also offers a 3 year electrode warranty - like no other electrode. Refex – the First to Last.


For More Info, email: email:


36904pr@reply-direct.com


Page 1  |  Page 2  |  Page 3  |  Page 4  |  Page 5  |  Page 6  |  Page 7  |  Page 8  |  Page 9  |  Page 10  |  Page 11  |  Page 12  |  Page 13  |  Page 14  |  Page 15  |  Page 16  |  Page 17  |  Page 18  |  Page 19  |  Page 20  |  Page 21  |  Page 22  |  Page 23  |  Page 24  |  Page 25  |  Page 26  |  Page 27  |  Page 28  |  Page 29  |  Page 30  |  Page 31  |  Page 32  |  Page 33  |  Page 34  |  Page 35  |  Page 36  |  Page 37  |  Page 38  |  Page 39  |  Page 40  |  Page 41  |  Page 42  |  Page 43  |  Page 44  |  Page 45  |  Page 46  |  Page 47  |  Page 48  |  Page 49  |  Page 50  |  Page 51  |  Page 52  |  Page 53  |  Page 54  |  Page 55  |  Page 56  |  Page 57  |  Page 58  |  Page 59  |  Page 60  |  Page 61  |  Page 62  |  Page 63  |  Page 64