Water / Wastewater 13 Online monitoring of microbial water quality in drinking water provides results in 15 minutes
The ColiMinder, from WVMS GmbH, is an analyser for fully automatic online measurements of bacterial contamination in water, providing a result within 15 minutes, and is used for process monitoring at any stage of a drinking water treatment or distribution process. Microbiological contamination as one of the most important water quality parameters is currently assessed using a manual 1 to 5-day laboratory method.
Introducing the ColiMinder as a process monitoring device, real-time monitoring of microbiological water quality fi rst becomes possible. It can measure microbiological quality of any type of water and is used throughout the water cycle. Many customers in drinking water industry are already using the ColiMinder to monitor production and treatment processes with the aim of optimizing process performance and ensuring drinking water quality.
The ColiMinder provides operational monitoring of microbiological quality. It does not replace compliance testing, but helps customers make their processes more effi cient, safer, and sustainable and meet regulatory standards with maximum effi ciency.
Renowned water utilities such as Mekorot, Rand Water, Unitywater or the WSD in Hong Kong already use the ColiMinder and appreciate its advantages including the real- time information, to monitor and optimise their processes.
Portable fl ow meter for on-demand pipe fl ow measurement without process interruptions
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AW-Lake offers a new portable transit time ultrasonic fl ow meter in addition to the full-sized clamp-on version that provides non- contacting fl ow measurement for the most
challenging industrial environments with minimal installation complexity and costs. The new Portable Ultrasonic meter was designed to be deployed easily to measure fl ow on demand, without diffi cult installations or process interruptions.
The hand-held unit is encased in a rugged IP67 housing and works with the same 3 interchangeable transducers as the full-sized meter, which make it suitable for measurements on a wide range of metal and plastic pipe materials on pipes from ½” to 48” in diameter. A simple menu allows for fast and easy programming of pipe diameter, pipe material, liquid types, and measurement units. In addition to providing a standard 4-20mA/0-5V analog output, optional Modbus RTU and HART communications provide instantaneous fl ow rate, volume, total, run hours, and diagnostic information.
An intuitive on-screen user interface with a data logger enables operators to view fl ow reports or download logs for use in other programs. Data management storage of 12.5 million data points with logger software for data viewing and reporting. Using an integrated USB-C port, the PTFM 6.1 seamlessly expands its input and output capability to meet future requirements without replacing the whole meter. The Greyline Portable Transit Time Flow Meter offers the versatility to meet changing fl ow measurement needs today, tomorrow, and into the future.
The fl ow meters use the transit time ultrasonic principle of measurement that works by measuring the fl ight difference for ultrasonic sound pulses transmitted from one transducer to another. The time between transmitted and received signals is precisely measured by the fl ow meters. Both ultrasonic fl ow meters are ideal for measuring the fl ow rate of clean, non- aerated fl uids in full pipes such as water, chemicals, and fuel oils with highly accurate and reliable fl ow measurement.
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58244pr@reply-direct.com Ultrameter II™ Water Quality Analyzer
Replace up to 6 laboratory instruments with one portable, handheld meter for fast fi eld analysis ! Myron L® Company’s Ultrameter II 6PFCE
provides a comprehensive suite of
in-situ water quality analysis tools that are designed to replace more costly and less convenient laboratory equipment. A true one-handed instrument, the 6PFCE delivers Conductivity, Resistivity, TDS, pH, ORP, Free Chlorine Equivalent (FCE™), and Temperature measurements quickly and easily with the press of a button.
Unlike other similar meters, the 6PFCE Conductivity/TDS measurements feature
the ability to select from one of three preprogrammed solution models, KCl, NaCl, or Myron L’s own 442 Natural Water™ Standard, or you can program a User solution mode based on a known solution yourself. The result is benchtop accuracy of ±1% of reading in a handheld instrument. Accuracy increases to ±.1% of reading at calibration point. Temperature compensation is automatic to 25°C or can be disabled by the user as required. Autoranging capabilities provide increased reading resolution across a broad range of applications.
pH readings are also temperature compensated, and you can choose to perform a 1-, 2-, or 3-point calibration depending on the range of samples measured to achieve ±.01pH accuracy. The pH sensor is of a proprietary construction and includes a large potassium chloride solution reservoir for long life. Myron L pH sensors are also user replaceable extending the useful life of the 6PFCE
potentially to decades.
ORP measurements utilize a 99.9% pure platinum electrode and a reference junction that is shared with the pH sensor resulting in an accuracy of ±1 millivolt.
In addition, the 6PFCE
features a groundbreaking new way to determine Free Available Chlorine based on a predictive ORP value. Empirical measurements of the chemical activity of a solution are made without the hassle and subjectivity of colorimetric and test-strip methods.
Calibration is easy to perform and is accomplished by simply measuring the appropriate standard solution or buffer in calibration mode and correcting the measured value. Myron L manufactures NIST traceable standard solutions and buffers for this purpose. The 6PFCE dust-tight and waterproof, NEMA 6 submersible, and buoyant. Plus, Myron L service and technical support are included for the life of the product.
is also IP67
More information online:
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