A Practical Guide to Particle Counting for Drinking Water Treatment - Chapter 6 doc

... detectedand measured if it produces a signal with a minimum 2 to 1 signal -to- noise ratio. B. SIGNAL -TO- NOISE RATIO All electronic instruments are subject to various forms of “noise,” or random,meaningless ... mentioned is Section A, the smallest particle that can be reliably measuredmust produce a signal amplitude at least twice that of the noise, or a 2 to 1 signal- to- noise ratio. C. RESOLUTION ... the primary specifications employed for evaluating particle counter performance are defined and discussed. Understanding of these few speci-fication parameters is essential to making informed decisions...

A Practical Guide to Particle Counting for Drinking Water Treatment - Chapter 11 doc

... ﬂoppy disks are available in several proprietary formats, providingstorage capacities up to a gigabyte or more. They are most useful for manual databackup and transport. Data can be accessed more ... device. They are most useful for small-scale distribution of large amountsof data. Some can only be recorded once, unlike magnetic disks, and are not as practical for day -to- day data backup, although ... past fewyears. Most of them are designed for backup of the hard-drive data, or for trans-porting large amounts of data. Tape backup systems are available up to severalgigabytes in size, and...

A Practical Guide to Particle Counting for Drinking Water Treatment - Chapter 15 doc

... counting was boosted further when Georgia beganstrongly encouraging many of its plants to install particle counters. Plants in Cali-fornia and a few other states also began to investigate particle ... Royco was still a majorsupplier of particle counters, and a second ﬁrm named Met One was also situated to provide particle counters for water treatment applications.The interest in online particle ... successfully bid for it, and has continued to market it in the drinking water industry. IBR has provided equipment related to particle counting for several years, and was a logical choice for taking over...

A Practical Guide to Particle Counting for Drinking Water Treatment - Chapter 19 doc

... optomux protocol. While the standard optomux protocolis supported by many SCADA packages, not all of the commands are included. Thestandard optomux protocol provides for minimums, maximums, and ... offour-conductor cabling. B. PROTOCOLS Each of the available units communicates data by way of a unique protocol.When a standard turnkey system is installed, the protocol is not important ... and averages to betransmitted by the ﬁeld hardware, whereas the SCADA software programs performthese tasks themselves. Often these commands are left out of the driver packagesthat come standard...

A Practical Guide to Particle Counting for Drinking Water Treatment - Chapter 20 docx

... Several other options areavailable, such as manual or automatic scaling for the data (vertical) axis. Verticaland horizontal grids can be added, and a graph title and label for the vertical axiscan ... display for the affected particle counter. The left-hand indicator is for commu-nication alarm, and the right-hand indicator denotes a data alarm. The combinationof the main alarm display and ... necessarily an indication of a more-advanced product. Itmay be less important to have a fancy system than one that performs the basics andis easy for the operators to learn and work with. Other applications...

A Practical Guide to Particle Counting for Drinking Water Treatment - Chapter 1 potx

... Data Broadwell, Mike A practical guide to particle counting for drinking water treatment/ Mike Broadwell.p. cm.Includes index.ISBN 1-5 66 7 0-3 0 6- 9 (alk. paper)1. Particle counting (Water treatment ... Serial Communications A. Interface 163 B. Protocols 164 Chapter 20 Manufacturer’s Software A. Overview of Available Software 166 1. MetOne 166 2. Chemtrac 166 3. ARTI 166 4. IBR 167 B. Features ... Particle Counting 63 a. Sample Handling 63 b. Grab Sampling Presents a Partial Picture 64 c. Data Handling 64 3. Beneﬁts of Grab Samplers 64 4. Alternatives to Grab Sampling 65 C. Grab-Sampler Sample...

A Practical Guide to Particle Counting for Drinking Water Treatment - Chapter 2 potx

... Packaged Treatment PlantsPackaged treatment plants, as touched on above, are prefabricated plants, whichare more cost-effective than ground-up plants for smaller applications. A packagedplant ... brieflyat some of the potential applications for particle counters in wastewater treatment. Standard wastewater is too high in concentration for particle counters, but special-L13 06/ frame/pt01 Page ... removal. (Courtesy of Pacific Scientific Instruments, Grants Pass, OR.)28 A PRACTICAL GUIDE TO PARTICLE COUNTING manufacturers of packaged treatment plants employ particle counters as a standardpart...

A Practical Guide to Particle Counting for Drinking Water Treatment - Chapter 3 ppt

... calibration will never be practical. 2. Particle Counter Calibration Veriﬁcation Verifying calibration is an easier and more practical step for the water plantoperator. Only a couple of particle ... at a time. If a spareis available it can be rotated into service. The maintenance log should be kept up- to- date, and calibration stickers displaying the date of calibration placed on each particle ... maintenance schedule should account for seasonal changes, and be adjustedaccordingly. Permanganate is often added seasonally, and can cause coating prob-lems. Any change in the process that can affect...

A Practical Guide to Particle Counting for Drinking Water Treatment - Chapter 4 pot

... PRACTICAL GUIDE TO PARTICLE COUNTING The disadvantage to this approach is that the particle counter data are collectedand displayed separately from the other plant data, requiring separate training ... second alternative is the direct interface of the particle counters to SCADAusing serial data communications. All count data, as well as status and alarminformation, are transmitted in a specially ... developing a useful and practical approach to particle counting that can be tailored to the capabilities and resourcesof the individual drinking water treatment plant. None of the information presentedhere...

A Practical Guide to Particle Counting for Drinking Water Treatment - Chapter 5 potx

... alters the approach to particle counterapplication. There are many ways in which grab samplers make particle counting more difﬁcult to apply, and a few areas where they are advantageous. Again, ... case of online particle counting, trending the grab-sample datawith other plant parameters will add to its value. If these data are available in a usable ﬁle format that can be imported into ... the application.L13 06/ frame/pt01 Page 71 Friday, June 23, 2000 1: 46 PM© 2001 by CRC Press LLC70 A PRACTICAL GUIDE TO PARTICLE COUNTING D. DATA HANDLING As touched on above, grab-sampler data...

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