Withstands fouling
The Rugged Dissolved Oxygen (RDO) optical DO sensor from In-Situ Inc. withstands fouling, high-sediment loads and rapid flow rates. Using an optical luminescence-based DO method, the abrasion-resistant sensor responds rapidly to changing levels, maintains a stable response even in hypoxic conditions, and operates with very low drift for long periods.
The sensor offers open-architecture communication protocols, including Modbus over RS485, SDI-12 (version 1.3), or 4-20 mA signal outputs. It easily integrates into SCADA or PLC systems. 800/446-7488; www.in-situ.com.
Single-point control
SCADA systems for wastewater treatment equipment and processes from Aqua-Aerobic Systems provide a single point of control for plant-wide monitoring, detailed, dynamic graphics depicting equipment status and PLC command status, historical trending and logging of data, consolidated alarming, remote access, upgrade capabilities for existing controls, and an optional electronic O&M manual. 815/654-2501; www.aqua-aerobic.com.
Web-based gateway
The I-Link Lift Station Notifier from SJE-Rhombus offers system monitoring through a Web-based gateway that collects and reports system status and alarm events via a cellular phone modem. The unit can be installed in new control panels or retrofitted.
Two-way communication allows for monitoring of system performance and programming of system parameters from the user’s PC. Reporting capabilities provide notification of a system event as it occurs, detailing complete event specifications. Normal operating conditions are reported daily. The system offers power-fail detection, service button interface, high- and low-level alarms, digital relay output, and three-pump run-time/cycle-count inputs. All unit products include access to a secure Web site to allow monitoring and administration of the remote site and its data. 800/746-6287; www.sjerhombus.com.
Indicates liquid level
The Model 375 submersible level transmitter from Ametek M&CT/PMT Products provides the convenience of direct submergence for quick, accurate and reliable level measurement. It indicates liquid level by continuously measuring hydrostatic pressure via an isolated sensing element — an ion-implanted silicon semiconductor chip with integral Wheatstone Bridge circuit.
Once the sensor measures the pressure, the data is transmitted by a 4-20 mA output signal. All electronics are mounted in a submersible 316 stainless steel housing. A special cable is factory installed and sealed to insure liquid tight performance. The customer connection end of the cable is sealed and a desiccant package is installed to limit the amount of moisture allowed to enter the barometric reference of the sensor. 215/355-6900; www.ametekpmt.com.
Automated worksheets
Nexxis ELN from Labtronics is a versatile Web-based electronic laboratory notebook that uses ReDI technology to quickly convert existing paper worksheets, documents or SOPs into automated electronic worksheets that are ready to use in minutes. The system automatically checks training records, chemical inventories and instrument calibrations before analysts are allowed to continue with their work. It includes Nexxis SDMS, a fully searchable scientific data management system for storing completed worksheets. 519/767-1061; www.labtronics.com.
Corrects harmonic orders
Active harmonic filters from Staco Energy Products provide high performance for cancellation of problematic harmonics. Based on power electronic technology, the filter corrects a wide spectrum of harmonic orders, from the third to the 51st. It uses an all-digital platform that continuously adapts to rapid load fluctuations. 866/261-1191; www.stacoenergy.com.
Made for solar sites
The NanoCourier Transmitter from Automata Inc. is available with spread spectrum or satellite telemetry. Data can be transmitted back to a home or office computer or can be made available via the Internet. Extremely low standby current makes the unit well suited for solar sites. The unit directly supports most flowmeters and many other frequency output devices with no additional interface circuitry. It includes a set of configurable parameters that add versatility to many monitoring applications. 530/478-5882; www.automata-inc.com.
Pump controller
The iQpump controller from Yaskawa Electric America is rated at 5 to 50 hp at 208 V and 5 to 500 hp at 480 V. It automatically adjusts pump operating conditions as the process variables change while maintaining optimum pump performance and protection. It can replace existing mechanical pump systems using throttling valves, bypass valves or other means of flow control to improve regulation and save energy.
The unit was designed to control typical pumping applications that require systems to regulate constant pressure, constant flow or variable flow/pressure. It also can replace phase converters when converting from a single-phase to a three-phase pump motor. 800/927-5292; www.yaskawa.com.
Fits in tight spaces
The V-Cone Flowmeter from McCrometer Inc. features built-in flow conditioning and fits in crowded equipment installations. It reduces flowmeter straight pipe run requirements by up to 70 percent. With reliable differential pressure technology, the unit offers accuracy and repeatability over a wide flow range. It operates over a flow range of 10:1 with low head loss and supports line sizes from 0.5 to greater than 120 inches. Accuracy is ± 0.5 percent with a repeatability of ± 0.1 percent. 800/220-2279; www.mccrometer.com.
Chemical monitoring
The Model 1020 Controller from Scaletron Industries provides accurate monitoring of water treatment chemicals such as chlorine gas and sodium hypochlorite. It helps ensure operator and plant safety. Available with one or two channels, each with 4-20 mA standard, the controller simultaneously monitors levels in two separate chemical containers independently. It allows users to monitor chemicals in a variety of formats, including pounds, kilograms, gallons or liters. 800/257-5911; www.scaletronscales.com.
Lab information
The MSC-LIMS from Mountain States Consulting is a flexible, secure and stable GALP-compliant laboratory information management system designed for small to mid-size facilities. It integrates smoothly with handheld PCs or PDAs to import data recorded in the field. The Excel interface can be used to create analyte-specific calculating data entry screens and import operations data from instruments.
The interface also allows labs to use existing regulatory report formats. The system supports basic statistics, trend graphs and control charts. It is available in single-user and multi-user versions in labs processing up to 75,000 samples per year and up to 300,000 analyses per year. 307/733-1442; www.msc-lims.com.
Wireless/cordless automation
The SmartWireless product line from Detcon Inc. is a wireless/cordless automation system that can be used with numerous gas-detection sensors and a wide range of industrial automation products, process measurement devices, remote data acquisition systems, and audio-visual alarm stations. Included is the Model RXT-300 wireless transceiver, designed for transmitting signal data from analog 4-20 mA or serial Modbus devices. Transceivers are able to hop through line-of-sight obstacles and congestion to communicate. 888/367-4286; www.detcon.com.
Labeling system
The Green Machine labeling system from K-Sun Corporation uses standard AAA batteries or low-voltage 11 VDC power. It includes MaxiLabel Pro Ver 3 general labeling software and can be used in the field or on the desktop with 32-bit/64-bit versions of Microsoft Windows XP, Vista and 7. The software has thousands of safety and industry-specific symbols, plus three add-on symbol libraries. 800/622-6312; www.ksun.com.
Hazardous environments
Model 5081 digital communications transmitters from Emerson Process Management can be used to measure pH, ORP, conductivity, oxygen, free chlorine, total chlorine and ozone. The transmitter comes in a NEMA 4X or NEMA 7B enclosure. The design allows use of the transmitter in hazardous environments.
The transmitter can be wireless when coupled with the SmartWireless THUM Adapter. All Emerson Smart Wireless field network devices can be integrated directly into existing automation architecture without up-front engineering, site surveys or additional software. 800/833-8314; www.emersonprocess.com.
Complete analysis
DUMPStat from Discerning Systems is a statistics package that guides the user through importing lab data and defining the site, then provides complete analysis with a single click, automatically selecting the most appropriate statistics to minimize false-positive and false-negative rates for the entire facility.
The system includes gamma prediction limits that are robust to censored data and skewed distributions. Other statistical enhancements include additional options for trend detection, outlier testing and trace value reporting. Annotations allow users to enter additional notes directly on graphs. 877/374-7744; www.discerningsystems.com.
Real-time remote control
Telecomm panels from Orenco Systems provide SCADA capability for commercial and community water/ wastewater/stormwater treatment systems. Compatible with virtually all sensors and motors, they provide data logging and real-time remote access and control. Panels can function independently or can be networked. They can communicate over the Internet with a CAT5 Ethernet IP connection or through a phone line. Touchscreen interfaces are available. 800/348-9843; www.orenco.com/controls.
Clamp-on flowmeter
The Arrow Hunter Plus from ECHO Process Instrumentation is a clamp-on transit-time flowmeter for clean or dirty liquids. It measures flow in metal or plastic pipes with liners from 3/8-inch to 118-inch diameter. It uses Dual DSP technology and measures flow velocity from 0.03 to 82 fps. Accuracy is ± 0.5 percent factory calibrated. 850/609-1300; www.echopi.com.
Motor-integrated VFD
MOVIMOT motor-integrated variable-frequency drives from SEW-EURODRIVE are well suited for applications that need vector-oriented motor control and four-quadrant operation up to 5 hp, indoor and outdoor. The D Series can be used with bus communications, PC connection for diagnostics, or configurable parameters for extended functionality. 864/439-7537; www.seweurodrive.com.
Optical DO sensor
The Triton DO8 sensor from Electro-Chemical Devices Inc. is an optical dissolved oxygen sensor that uses fluorescence quenching to determine the oxygen concentration. Its design provides a solution for long-term measurements in aeration basins and all types of environmental water.
The device is a member of the C22 analyzer/controller family. The standard configuration is a single-channel or dual-channel instrument with 110/220 VAC power supply, one 4-20 mA and two 230 VAC 5A relays per channel. 800/729-1333; www.ecdi.com.
Biological DO control
Two process-based design elements are important to the BioChem Technology BACS dissolved oxygen controller. It responds to actual, real-time biological conditions by using the Oxygen Uptake Rate with the Oxygen Transfer Efficiency (in each control zone) to calculate the required volume of air. Control algorithms are based on actual airflow. Both the blower (supply) and valve (distribution) controls are incorporated. The unit is PLC-based, works with any brand of blower or diffuser, and can work independently or integrated with a SCADA. 610/768-9360; www.biochemtech.com.
I/O extender
The wireless CIX communication interface extender system (in 900 MHz and 2.4 GHz versions) from Data-Linc Group provides an industrial-grade I/O extender that directly connects a PLC’s communication ports to I/O points without PLC programming or proprietary software. With a ratio of up to 16 remotes for each master, a full network provides a total of 384 I/O points. Each unit provides eight discrete inputs, eight discrete outputs, four analog inputs and four analog outputs. 425/882-2206; www.data-linc.com.
All-fiberglass body
The Model 1600 Dipper sampler from Hach Company has an all-fiberglass body and refrigeration components corrosion-protected with chemical-resistant coating. It is available with a 2.5-gallon glass or a 3-gallon polyethylene composite container, as well as 475 ml polyethylene bottles. 800/227-4224; www.hach.com.
Daisy chain network
The TA-20008MB/2016MB digital Modbus control system from Mil-Ram Technology features multi-drop daisy chain network architecture using Model TA-2100 gas detection transmitters. The product is available in eight- or 16-channel versions for convenient wall mounting. Several network modules are available to achieve desired functionality in a cost-effective manner.
The sensor technology eliminates false alarms. The multi-drop transmitter network eliminates separate wiring to each detector. Backlit LCD auto-scrolls provide channel data and fault diagnostics. 888/464-5726; www.mil-ram.com.
Total chlorine
The A15/79 total chlorine monitor from Analytical Technology Inc. uses the standard iodometric method for determining total chlorine in highly contaminated samples. A sensing technique is used to determine total chlorine concentration, while minimizing system maintenance. The system takes the reacted sample-containing iodine and uses a membraned gas sensor rather than exposed electrodes. The gas permeable membrane allows only iodine to permeate into the sensor. 800/959-0299; www.analyticaltechnology.com.
Power metering
The SEL-734 advanced power metering system from Schweitzer Engineering Laboratories accurately measures energy usage and advanced power-quality parameters. It facilitates monitoring, recording, and automating process decisions through built-in logic functions. Low-cost outdoor enclosure options bring high-quality metering to virtually any location. 509/332-1890; www.selinc.com.
Treatment-specific formulas
Operator10 from AllMax Software Inc. creates and calculates treatment-specific formulas to provide control information at the user’s fingertips. Loadings, removals, solids inventory, F/M ratio, SVI and hydraulic rates among the calculations available. The system has built-in state and federal regulatory agency reports, operator notes, hourly to yearly DataViews, and 3D graphing capabilities. 419/673-8863; www.operator10.com.
