PRODUCTS & SERVICES Process Monitoring

Measuring pH, Silcore TUpH sensors from Emerson Process feature a triple-seal contaminant barrier that prevents moisture and material impurities from migrating to the pH electrode's metal lead wire.

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pH Sensor

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Measuring pH, Silcore TUpH sensors from Emerson Process feature a triple-seal contaminant barrier that prevents moisture and material impurities from migrating to the pH electrode's metal lead wire. This barrier helps prevent compromise of the pH measurement and significantly increases sensor life, particularly at high temperatures where increased contaminant migrations occur. A patented secondary helical reference pathway hinders reference poisoning thereby increasing sensor life.

Emerson Process Management,
Rosemount Analytical

Irvine, CA
Tel: 800-854-8257
Web: www.raihome.com

Pressure gauge

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Wika's Type 700.04 piston-type gauge measures differential pressure ranges of clean liquid or gaseous media to 100 PSID, with a maximum working pressure of 6000 PSID, and is suitable for local flow indication and control in filters, strainers/separators, pumps and valves. Type 700.05's diaphragm-style assembly is suited for "no blow-by" low/medium differential and medium/high process pressure media that may contain particulate matter, and measures differential pressure ranges to 100 PSID, with a maximum working pressure of 3000 PSID.

Wika Instrument Corp.
Lawrenceville, GA
Tel: 770-277-2660
Web: www.wika.com

Counter/flow module

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Spectrum Controls has released its 1756sc-CTR8 Counter/Flow Module. This eight-channel module was designed for use with the Allen-Bradley ControlLogix platform. The module was designed for a broad range of applications including general purpose count, rate measurement, flow measurement and meter proving. The module's high channel density and expanded feature set help reduce overall system costs. It accepts AC and DC input signals with maximum frequency of 66k Hz. The module supports single-ended counters and when channels are paired, up/down and Quadrature inputs. Accumulated count and rate are available simultaneously for each channel. The module supports scale factors allowing calibration and engineering unit conversion for each input device. The counters are 32 bit and rate data is formatted in floating point values. Programming the module is accomplished by using existing RSLogix 5000™ software.

Spectrum Controls Inc.
Bellevue, WA
Tel: 425-746-9481
Web: www.spectrumcontrols.com

SRT control

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The Royce Model 7700 continuous Sludge Retention Time (SRT) Control System is a complete package ideally suited for both Industrial and Municipal WWT systems, to accurately and reliably control SRT. The system, winner of the 2001 WEF Innovative Technology Award, continuously monitors both aeration basin solids and the concentration of wasted solids, to give a feedback control signal for automatic or manual control of the wasting rate for SRT.

Royce Technologies
New Orleans, LA
Tel: 800-347-3505

Water testing

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Taylor Technologies manufactures field tests for analyzing process water both before and after treatment. Choose from color matching tests or drop-count titrations to monitor over 40 analytes including halogen sanitizers, alkalinity, ammonia, copper, hardness, iron, lead, manganese, molybdenum, nitrite, pH, TDS, silica, and zinc. Tests are available singly or in industry-standard combinations. The company also offers microprocessor-based handheld meters; buret-titration setups; a demineralizer bottle; a lockable wall-mount cabinet; general use glass- and plasticware; customizable foam-lined carrying cases; and pH buffers, conductivity standards for calibrations, and other reagents.

Taylor Technologies, Inc.
Sparks, MD
Tel: 800-837-8548
Web: www.taylortechnologies.com

Level controller

Sigma Controls has introduced its new Myriad LC1 Digital Level Controller. This user-programmable microprocessor based indicator accepts all standard input signals. It is housed in a NEMA 4 enclosure. The PC board is removable and the graphical LCD backlit display provides both digital and bar graph level readouts with user selectable engineering units. Four solid state digital inputs and four solid state outputs plus two form "C " relay outputs with setpoint and dead band adjustments add to user flexibility. 4-20 mA scalable output for retransmission is standard, while 100 mA of 24 vDC output provides sensor loop power.

Sigma Controls, Inc.
Perkasie, PA
Tel: 215-257-3412
Web: www.sigmacontrols.com

Free chlorine analyzers

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The PCA 300 Free Chlorine Analyzer from Hanna Instruments offers continuous chlorine monitoring and control in water systems. The instrument features recorder, alarm and RS232 computer signal output, NEMA 4X casing, adjustable sampling rates and is easy to operate and maintain. The principle of operation is based on an adaptation of the EPA recommended DPD 330.5 method which greatly reduces maintenance and calibration procedures. This analyzer/controller has a max and a min set point and each controls an SPDT relay.

Hanna Instruments
Temecula, CA
Tel: 888-426-6222
Web: www.hannainst.com

Chlorine monitor

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The Alldos Conex 350 is a multipurpose device designed to carry out measurement and control of chlorine, chlorine dioxide, pH value, redox-potential (ORP), ozone, hydrogen peroxide, fluoride and peracetic acid. The instrument can monitor chlorine in municipal well systems as well as control the injection of sodium hypochlorite into the system. Simply input the desired settings and instrument will adapt to specific measurement and control needs.

Alldos, Inc.
Marietta, GA
Tel: 800-956-7996

Temperature, pressure recorders

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The Dickson Company had released new, improved pen arms for its 4'' Temperature Chart Recorders and 4'' Pressure Chart Recorders. The new pen arm lifts completely off the chart allowing for pen and chart replacement. The company's temperature and chart recorders feature an on/off switch for battery savings when the recorder is not in use, external battery access for battery changes, keyhole back for wall mounting capability and optional LCD displays. In addition, the pressure chart recorder features a NEMA 4x water resistant enclosure and FM approved models.

Dickson Co.
Addison, IL
Tel: 800-323-2448
Web: www.dicksonweb.com

Differential pressure

The Model IDP10 differential pressure transmitter from Viatran employs silicon sensor technology and microprocessor based electronics. Modular electronics are housed in a NEMA 4X housing with corrosion-resistant epoxy coating. A stainless steel housing is optional in corrosive applications. The fully-rotatable electronics housing has two conduit entrances for flexible installation. Covering differential pressure ranges from 0.5'' W.C. through 3,000 PSI, the unit is available in five sensor ranges with 30 times turn-down capability.

Viatran Corp.
Grand Island, NY
Tel: 716-773-1700
Web: www.viatran.com

Chlorine residual analyzer

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The RA-1000 from Eagle Microsystems is an amperometric-type instrument for analysis and control of chlorine residual in industrial process water. The unit is capable of measuring free or total residual using inexpensive white vinegar as the buffering agent. Alternatively, a CO2 buffering system is available. The digital electronics provide flexible monitoring and control of either direct residual measurement, residual control or compound loop control. The controller provides a two-line by 16-character backlit LCD display and a simple four-button operator interface for configuration and control. Electronics are industrially hardened and provide high immunity to RFI interference.

Eagle Microsystems, Inc.
Pottstown, PA
Tel: 800-780-8636
Web: www.eaglemicrosystems.com

pH analyzer

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The new IQ500 processLab™ pH analyzer/controller from IQ Scientific accepts non-glass, silicon chip sensor pH probes in both threaded and sanitary styles as well as conventional glass sensor probes. Designed for in-line continuous process monitoring and controlling applications, the waterproof analyzer has easily configurable relay and analog outputs. Four relays can be set for On/Off, pulse length, pulse frequency, or alarm mode. Four 4-20mV analog outputs are optically isolated and can be driven by pH, mV, or temperature.

IQ Scientific Instruments, Inc.
San Diego, CA
Tel: 858-673-1851
Web: www.phmeters.com

Flow controller

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Flow Matrix has introduced its FMC-2000 chemical flow controller. Constructed of chlorine immune materials, the product is not susceptible to fluctuations of hammering pressure associated with chemical injection pumps delivering pulsating flow of toxic and aggressive water treatment chemicals or gases. The patented technology provides constant flow at industry standard rates of 1 to 8 gph.

Flow Matrix Inc.
Carlsbad, CA
Tel: 760-431-3930
Web: www.flowmatrix.net

Wastewater analysis

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Isco's new STIP-scan is a multi-parameter sensor for continuous, in-situ wastewater analysis at inlet, aeration, and effluent points, and in river monitoring applications. The STIP-scan UV-vis spectroscopic sensor is capable of simultaneous measurement of nitrate, COD, TOC, spectral absorption coefficient (SAC254), total solids, sludge volume, sludge index and turbidity. No sample pretreatment or filtering is required. Automatic calibration and self-cleaning allow continuous, essentially maintenance-free operation.

Isco, Inc.
Lincoln, NE
Tel: 800-228-4373
Web: www.isco.com

Sludge dewatering

Alfa Laval has launched the Octopus, a new continuous, intelligent monitoring and optimization system for sludge dewatering decanters. The system allows plant operators to operate at maximum efficiency resulting in significantly lower costs in polymer consumption and sludge disposal costs. The system's sensors collect data from the processes and the decanter. This data is continuously fed to a computer where the software determines control settings to minimize operating costs and enhance efficiency. The algorithms developed by Alfa Laval and integrated into the software control the process with the overall objective of finding the lowest possible cost of operation taking into account all relevant parameters: polymer cost, transportation and disposal costs for the dewatered sludge as well as water and power consumption.

Alfa Laval Inc.
Warminster, PA
Tel: 866-253-2528
e-mail: customerservice.usa@alfalaval.com

Filter control

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The Filterworx™ Automatic Control System by Leopold is a complete filter control package consisting of all instrumentation and control equipment for the automatic monitoring and control of water and wastewater filtration systems. The company's filter controls provide complete independent distributed, filter-side monitoring and control. The FilterWorx ACS continuously monitors effluent water quality to ensure that it meets regulatory requirements. And it continuously monitors the condition of the filter media to ensure optimum filtration. In addition, it can function as a filter plant SCADA system and features standard communications protocols that allow integration into most other plant DCS and SCADA systems.

F.B. Leopold Company, Inc.
Zelienople, PA
Tel: 724-452-6300
Web: www.FBLeopold.com

Flow Sensor

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Veris offers the Verabar® insertion flow sensor. Multiple points along the velocity profile are measured and averaged by a single sensor. As a result, the sensors have far less stringent straight-run demands than other types of insertion flow meters. The meters can be used in a wide range of applications — gases, liquids and steam — in pipe or duct sizes ranging from 2'' to 22 feet in diameter. With its low pressure sensing ports located on the sides of the sensor, the meter is not likely to plug in particulate-laden applications. Accuracy (+1%) and repeatability (.1%) is documented and verified by independent NIST traceable flow laboratories.

Veris Inc.
Niwot, CO
Tel: 877-837-4700
Web: www.veris-inc.com

Water sampler

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Isco's new Avalanche™ is a multi-bottle, sequential/composite water sampler featuring the company's transportable refrigeration system and a multifunction controller. Its unique design provides easy transport, quick setup, and on-site cooling - without reliance on ice or utility power. An optional Mobility Kit with pneumatic tires lets operators wheel the sampler even over rough terrain to remote sampling sites. It is ideal as a stormwater sampler as well as for TMDL, watershed monitoring, pretreatment compliance, and other mobile sampling applications requiring accurate sample preservation, versatile control, and flexible data handling.

Isco
Lincoln, NE
Tel: 800-228-4373
Web: www.isco.com

Gas flow sensor

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With an industry-first sensing element combining precision thermal mass flow and gas composition sensors, the new GF03 Flowmeter from Fluid Components International is designed for flow measurement in flaring and other variable, mixed gas composition systems. The new flowmeter achieves the accuracy, range and resolution required to meet the most stringent air pollution regulations at total installed costs of up to 50% less than alternative technologies. The flowmeter's temperature-compensated thermal mass flow and gas composition sensor assembly continuously measures mixed gas and applies a special flow correction technique (FCI patent pending) to report flow rate and total flow.

Fluid Components International
San Marcos, CA
Tel: 800-863-8703
Web: www.fluidcomponents.com

UV monitoring

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The UV Transmittance Monitor from Aquionics provides an extra level of process validation. This control option ensures that UV water treatment systems deliver an optimum dose of UV light even when feed water quality fluctuates. Changes in feed water UV transmittance can affect UV dose and reduce the effectiveness of the disinfection process. To eliminate this process variable, the system continuously measures water transmittance, enabling the control unit to increase or decrease the intensity of UV emitted by lamps in the disinfection chambers in response to changes in water quality.

Aquionics Inc.
Erlanger, KY
Tel: 800-925-0440
Web: www.aquionics.com

Magmeter

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Krohne's Tidalflux is a magmeter designed to measure volumetric flow in both full and partially filled process pipes. The instrument answers the need of many wastewater treatment applications. The unit is a magmeter combined with an independent capacitive level measuring system. This combined measurement is capable of providing accurate flow rates of process fluids in pipes from 10% full to completely full. It offers the benefits of conventional magmeter technology: high accuracy, rapid response time, no obstructions, simple installation and commissioning, and low maintenance. Its design incorporates a Polyurethane liner with HC4 Hastelloy electrodes. It doesn't require long inlet or outlet runs to provide reliable measurements.

Krohne Inc.
Peabody, MA
Tel: 800-356-9464
Web: www.KROHNE.com

Insertable magmeter

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The Multi-Mag™ Insertable Magmeter from Marsh-McBirney was designed to accurately measure debris-free flow in difficult applications including low flows, wide flow ranges, and restrictive piping configurations. An array of electromagnetic sensors are strategically located on the insertable probe that spans the entire pipe diameter. The probe detects and compensates for shifting flow profiles resulting in a better than 1% accuracy specification. The streamlined shape minimizes pressure drop and requires significantly less energy to operate than most flowmeters. Ideal applications include potable water, cooling water, raw water, chilled water, etc. Magmeter is available for pipe sizes 4'' to 120'' and includes 5-year sensor warranty.

Marsh-McBirney, Inc.
Frederick, MD
Tel: (800) 368-2723
Web: www.marsh-mcbirney.com

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