A Look At Everything Water

The American Water Works Association’s ACE14 will showcase the most innovative products and services from all aspects of the water industry.
A Look At Everything Water
Sure Grip concrete protective liner from Agru America

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Everything water will be under one roof in June, as the American Water Works Association’s 2014 Annual Conference & Exposition (ACE14) is coming to Boston, Mass., June 8-12. Hundreds of service providers will exhibit, showcasing the newest and most innovative products and services related to the water industry. They will offer hands-on understanding and insight from pipes to valves, meters to hydrants, engineering services to tank-related products, security to wastewater treatment and more.

Here’s a look at just a portion of the products and services that will be featured.

Pipeline Rehabilitation and Relining

3M - Scotchkote Pipe Renewal Liner 2400 100 percent solids polyurea formulation from 3M is NSF/ANSI 61 certified, BPA free (per EPA Method 1311) and contains no VOCs (per EPA Method 24). The applied material is tack-free in 10 minutes, and reaches full cure in 60 minutes, allowing for same day return to service. It can be applied on ductile iron, cast iron, steel and cement mortar-lined metal pipes, PVC and asbestos cement pipes ranging in diameter from 4 to 24 inches. It can be installed as a thin, corrosion barrier lining or as a high-build AWWA Class III or IV structural enhancement lining. It is installed via a trenchless, spin-cast process. 888/745-4530; www.3M.com/water.

AA Thread Seal Tape - Joint Wrap from AA Thread Seal Tape is used to protect ductile iron pipe joints from exterior corrosion. It is made of 100 percent virgin high-density polyethylene resins and is cross-laminated for added strength. At 10 mils thick it more than doubles the ANSI/AWWA C105/A21.5 standard. 800/537-7139; www.aathread.com.

Agru America Inc. - Sure Grip concrete protective liner from Agru America provides long-term corrosion prevention for the construction and rehabilitation of concrete containment and transmission systems. It has high backpressure and pullout resistance, requires low maintenance, eliminates exfiltration and infiltration, and has high chemical and mechanical resistance. 800/373-2478; www.agruamerica.com.

Denso North America - Densyl Tape all-purpose petrolatum tape from Denso North America provides corrosion protection for pipes, flanges, valves and irregular shapes exposed to the environment and wet conditions. It meets AWWA C217 standards, and no special training or equipment is required to wrap the tape. It can also be applied to wet surfaces and is easily applied in arctic or tropical temperatures. 281/821-3355; www.densona.com.

HydraTech Engineered Products - The HydraTite internal joint seal from HydraTech Engineered Products provides mechanical, trenchless remediation for leaking pipe joints. It is a proprietary rubber seal that spans the joint and is held in place by stainless steel retaining bands. The retaining bands are hydraulically expanded and locked in place using a wedge lock design, which forms an airtight clamp around the joint, eliminating infiltration and exfiltration. It features rapid installation and immediate return-to-service, seal flexibility and a 50-year design life. It is a recognized method of joint repair by AWWA manual M28. 513/827-9169; www.hydratechllc.com.

Raven Lining Systems - Raven 405 100 percent solids, zero VOC polymer lining from Raven Lining Systems has ideal adhesion, low porosity and high chemical and abrasion resistance to provide corrosion protection in wastewater infrastructures. It can stop recurring inflow and infiltration, and ultra-high build properties make it ideal for overhead and vertical application. It can be used on new concrete to protect against corrosion and extend the life of the structure. Old deteriorated structures such as brick, concrete or steel can be rebuilt to grade by certified applicators. 800/324-2810; www.ravenlining.com.

Reed Manufacturing Co. - The DM2100 drilling machine from Reed Manufacturing Co. cuts or drills through cast or ductile iron pipe wall via the corporation stop inserted into the service saddle while under pressure. It uses Reed D series drill bits or hole cutters, and has a flip clamp on the star feed. It has a clearance radius of 27.5 inches. Its design pressure rating is 300 psi, but its operating pressure rating is 90 psi when drilling or tapping into pressurized mains. With shell cutters and necessary adapters, it can also be used on C900 PVC pipe or PE water mains. Several kits are available for AWWA, NPT or BSPT needs. 800/666-3691; www.reedmfgco.com.

Tnemec Company - Series 22 and FC22 Epoxoline 100 percent solids epoxy linings from Tnemec Company provide thick-film layers of protection in immersion service, while special curing mechanisms allow the tank to quickly return to service. With more stringent standards being placed on extractables in drinking water, these products are specially formulated in accordance with NSF/ANSI Std. 61, and conform to AWWA C 210 standard, for application in both ground storage and elevated water tanks. 800/863-6321; www.tnemec.com.

TT Technologies - The Mini Grundotugger trenchless plastic and copper service line replacement unit from TT Technologies digs small launch and exit pits at either end of the service line being replaced. A winch cable is rodded from the exit pit through the existing line to the launch pit. At the launch pit, the unit’s splitting expander is attached to the winch line. The winch is placed in the exit pit and is loaded into the unit. The expander forces the split pipe into the surrounding soil. Contractors can choose to pull in the new pipe directly behind the expander, or retrieve the split service first, then pull in the new service. Models offering 9,000 or 12,000 pounds of pullback are available. 800/533-2078; www.tttechnologies.com.

Pipeline Inspection, Location, Leak Detection

Fluid Conservation Systems - The TriCorr Touch correlator from Fluid Conservation Systems uses information gathered from acoustic leak noise sensors placed at intervals along a pipeline to identify and locate leaks in a water distribution system. An automated filter intelligence system runs 55 different filter combinations on the correlation data to accommodate for different pipe materials and sizes, allowing it to check the quality of the results and optimize filter settings until the clearest and most accurate result is presented. A VGA touch screen with high-contrast mode provides clear visibility in bright sunshine. 800/531-5465; www.fluidconservation.com.

Sensors & Software - The LMX100 utility line locator from Sensors & Software locates metallic, plastic or concrete utilities. It can detect utilities with broken tracer wires, discover undocumented utilities and find unexpected obstacles. It’s ideal for outfitting fleets, as it’s tailored for the locate-and-mark needs of utility locating contractors. It uses a high-brightness, antireflective color LCD screen optimized for outdoor viewing, and a collapsible fiberglass cart for interference-free operation. 800/267-6013; www.gprlocates.com.

SubSurface Locators - The LD-18 digital water leak detector from SubSurface Locators reduces ambient, intermittent noises from dogs barking, cars passing by, footsteps and people talking. Its digital electronics sample the sounds every few thousandths of a second, and if it detects an intermittent sound, it suppresses it instantly. Water leak sounds are almost always continuous noises, and the unit can identify the continuous leak sounds even in difficult conditions, like busy streets. 775/298-2701; www.subsurfaceleak.com.

Vivax-Metrotech Corp. - The HL5000-H2 tracer gas leak detector from Vivax-Metrotech can be used with acoustic sensors to pinpoint leaks. The use of industry-proven tracer gas is often the last option to find very small or difficult water leaks even in very low-pressure situations. The same techniques can be applied to other utilities without interrupting supply. 800/446-3392; www.vivax-metrotech.com.

Pipeline and Infrastructure

AMERICAN Flow Control - Series 2500 ductile iron resilient wedge gate valves with flex ring ends from AMERICAN Flow Control are available in 16- to 60-inch sizes for use in potable water, wastewater and fire protection systems. They have a rated working pressure of 250 psig with zero leakage and provide a clear and unobstructed waterway. They have positive joint restraint instead of MJ-type joint restraint, contain no restraining hardware to inventory or to corrode, and have no point loads or digging into the connecting pipe wall. They offer an even distribution of thrust loads, making them ideal for installation near structures where differential settlement may occur. Their restraining components are protected by a bell socket. 800/326-8051; www.american-usa.com.

Asahi/America - Chem Proline polyethylene resin pipe from Asahi/America is certified to NSF/ANSI Standard 61-G. Fittings are resistant to crack growth. It is a lower-cost alternative to metal, fiberglass reinforced plastic pipe and lined steel pipe. A complete system includes pipe, fittings and valves. Stocked in pipe sizes up to 12 inches, and available in sizes up to 88 inches, the pipe is suited for use in water treatment and chemical process applications using a variety of chemicals, including sodium hydroxide, sodium hypochlorite, caustic soda and low-concentration acids. 800/343-3618; www.asahi-america.com.

AWI - The stainless steel Phoenix underdrain system from AWI has a low profile design, and bolts together for easy installation. The direct retention system eliminates the need for gravel to support the filter media. Consequently there is no loss of filter media from a disturbed gravel bed. Each air and water orifice is sized using specialized software, assuring uniform distribution throughout the filter. It has a separate air and water channel, eliminating wave action in the laterals and air header. 801/566-1700; www.awifilter.com.

DeZURIK Water Controls - Eccentric Plug Valves from DeZURIK Water Controls handle clean and dirty liquids, gases, sludge and slurries. They feature raised, welded nickel seats that provide protection against corrosion that can cause plug face damage and leakage. The rectangular port design has wide tolerance seating geometry for lasting shut-off. An adjustable packing gland allows packing to be inspected, replaced or adjusted under pressure without actuator removal or valve disassembly. They have corrosion-resistant bearings, grit excluders, and a choice of resilient plug facings for dead-tight shut-off. Options include 100 percent port area, rubber lining and glass lining. 320/259-2000; www.dezurik.com.

EBAA Iron Sales - The Series 3800 MEGA-COUPLING from EBAA Iron Sales couples and restrains plain ends of similar or dissimilar pipe materials, such as ductile iron, C900 or C905 PVC, carbon steel and HDPE pipe. Originally available in 4- through 12-inch sizes, it is now available in up to 36-inch nominal pipe sizes for ductile iron and C905 PVC pipe. It utilizes MEGALUGS restraints, and the coupling body in the 4 through 12-inch sizes is ductile iron, with steel bodies in the 14-inch and larger sizes. Both are coated with NSF 61 approved fusion-bonded epoxy or FBE. 800/633-9190; www.ebaa.com.

Ford Meter Box - The Dual-Armor Wrap Clamp from Ford Meter Box Company offers full wraparound coverage of stainless steel armor to provide protection against leaks. The dual-armored EPDM gasket provides 360-degree coverage of the pipe, making it easy to squeeze and hold the gasket over the leak. The stainless steel body and e-coated ductile iron lugs provide corrosion resistance, while location indicators simplify blind installation for underwater scenarios. 260/563-3171; www.fordmeterbox.com.

Hanson Pressure Pipe - C-303 bar-wrapped concrete cylinder pipe from Hanson Pressure Pipe combines the strength of steel with the corrosion resistance and durability of concrete. Requiring minimal maintenance and offering a long service life, it is ideal for transmission mains, distribution feeder mains, treatment plants, and intake and discharge lines. It comes in 10- to 72-inch diameters, and 20- to 40-foot laying lengths. The pipe allows for easy modifications in the field, such as adding a manhole outlet and making service taps. 972/262-3600; www.hansonpressurepipe.com.

Henry Pratt Company - AirPro Max air valves from Henry Pratt Company are engineered to resist clogging. The float/linkage design is suitable for higher pressures, as it is resistant to seat leakage and float mechanism failures. They have close-tolerance machined parts, stainless trim, and standard hoods or threaded caps. They are provided with a large orifice to break vacuum, or with a small orifice for air release under pressure. Both types can be combined with both features to allow maximum pumping efficiency at all times, and to protect from pipeline damage due to vacuum-induced collapse or surge-induced breaks. 877/436-7977; www.henrypratt.com.

HOBAS Pipe USA - Centrifugally cast, fiberglass-reinforced, polymer mortar (CCFRPM) pipe from HOBAS Pipe USA is corrosion resistant and lasts 100 years or more, providing a low life cycle cost. It can be used in new construction and rehab, as its leak-free, push-together joints reduce installation time and costs. It has ideal hydraulics, with light weight and high strength. Installation methods include open cut, sliplining, jacking, microtunneling, two-pass tunnel, casing carrier and above ground. Sizes range from 18 to 126 inches for both pressure and gravity applications. 281/821-2200, www.hobaspipe.com.

Red Valve Co./Tideflex Technologies - The CheckMate inline check valve from Red Valve Co./Tideflex Technologies eliminates backflow from oceans, rivers and interceptors in outfalls, stormwater, CSO and SSO applications. The valve opens to near full pipe diameter, maximizing flow capacity of the outfall. The valve’s elastomer construction provides maintenance-free performance. 412/279-0044; www.tideflex.com.

SIGMA Corporation - HYDROTEC trench drains from SIGMA Corporation manage stormwater and runoff. They are made of durable fiber-reinforced concrete. To install, the drains are laid in a stable base and concrete is poured around them. There is no need to hang or suspend the channels. The locking mechanism snaps the parts into place, and is used to access the drains for cleaning and maintenance. The drains can be used in pedestrian areas, sport stadiums, roads, truck loading facilities and airports. 800/999-2550; www.sigmaco.com.

Singer Valve - The vertical Single Rolling Diaphragm (SRD) from Singer Valve rolls while opening and closing, enabling it to lock the valve in place without any friction, creating pressure stability from the highest to the lowest flows. By reducing pressure, it also reduces leakage. The rolling diaphragm reacts quickly to changing pressures. Sizes range from 6 to 36 inches, and are NSF 372 certified. 888/764-7858; www.singervalve.com.

SW Services - The Debris Cap from SW Services keeps water valves, pipes and risers free of dirt and debris, allowing utility workers unrestricted access to valve shut-offs. It is applicable for rapid response to line breaks where a valve may not be easily located or buried. It is OSHA lockout/tagout compliant, which maximizes the health and safety of employees. The lockout/tagout option also prevents unauthorized access/operation of valves. It is made of injection-molded plastic and elastomeric rubber materials that ensure long service life. 623/582-8046; www.debriscaps.com.

Thompson Pipe Group - FLOWTITE FRP fiberglass pipe from Thompson Pipe Group is available in a wide range of sizes, in diameters from 100 mm to 4,000 meters. It is produced using a flexible manufacturing process, with custom diameters to provide maximum flow volumes. It meets ISO, EN, ASTM and AWWA standards, and is corrosion-resistant, so there’s no need for linings, coatings, cathodic protection, wraps or other forms of corrosion protection. This smooth-bore pipe offers low maintenance and transportation costs. 225/658-6166; www.flowtitepipe.com.

Total Piping Solutions - The Triple Tap extended-range stainless steel tapping sleeve from Total Piping Solutions has a single size shell that eliminates the need to carry multiple sizes within a nominal pipe diameter. Its gasket system prevents catastrophic seal loss in the event of a beam break, and its extra-wide range eliminates the need for extra on-hand inventory. It exceeds AWWA C-223 tapping standards. 716/372-0160; www.tps.us.

Trumbull Industries - Valve Position Indicators from Trumbull Industries show the position of a valve when they are attached to the valve stem or actuator. Operators will not over-open or over-close the valve, which could cause costly damage, because the valve’s position is always visible. They are made of noncorrosive Dupont Delrin polymer, with double O-ring seals that keep out water and dirt, and are available in six models – a choice of 57, 275 and 870 valve turns, in both open-left and open-right options. They are available with a debris shield to keep dirt out of the valve box. 800/677-1799; www.trumbull-mfg.com.

Underground Solutions - Fusible PVC pipe products from Underground Solutions are available in diameters from 4 to 36 inches. They produce a fused monolithic, fully restrained, gasket-free, leak-free piping system ideal for trenchless (horizontal directional drilling, pipe bursting and sliplining) or conventional open-cut installations. 858/679-9551; www.undergroundsolutions.com.

Val-Matic Valve & Mfg. Corp. - American-BFV butterfly valves from Val-Matic Valve & Mfg. Corp. are offered in 150B and 250B AWWA Classes, with flanged end connections in 3- to 144-inch sizes and 4- to 48-inch mechanical joint end connections. They fully comply with AWWA C504 and C516, certified NSF/ANSI 61 for drinking water and NSF/ANSI 372 Certified Lead-Free. They have epoxy interiors, continuous uninterrupted seating, and a Tri-Loc seat-retention system that allows for field adjustment/replacement without the need for special tools or epoxies. The disc is constructed of ductile iron for improved headloss characteristics and added strength. They have self-adjusting/wear resistant V-type packing shaft seals and stainless steel tangential taper pins to provide strength and rigidity. 630/941-7600; www.valmatic.com.

Manhole Equipment and Rehabilitation

McGard LLC - The FiberShield lightweight locking manhole cover from McGard is constructed of a durable, fiber-reinforced polymer material with multiple security points. It eliminates the lifting and dropping injuries caused by heavy, cast-iron manhole covers. Weighing 80 percent less than cast iron, it exceeds an H20 traffic rating. It is installed in seconds, and removed without bending over. It is secure, requiring a key to operate, and has no scrap value. 888/888-9192; www.manholelocks.com.

Mission Communications - The Manhole Monitor in-sewer alarm and reporting system from Mission Communications has floats tipped by surcharges and high levels that initiate notifications delivered by any combination of phone call, text message, email, fax or pager. Reliable, encrypted data is transmitted via fourth generation cellular radios, and can be accessed by any Web-enabled device. This device is waterproof, corrosion resistant and IP68 rated. 877/993-1911; www.123mc.com.

Pumps, Lift Stations and Conveyance

Data Flow Systems - The Telemetry Control Unit (TCU) pump controller from Data Flow Systems combines automated pump control with SCADA communications for both fixed-speed and VFD applications. It has an intuitive operator interface, expandable I/O interface, and no PLC knowledge is required. The HOA switches are fail-safe and remain functional even with loss of power. SCADA-ready with open Modbus RTU and ASCII protocols, it is available with integrated radio, networking, autodialer or Verizon cellular. 321/259-5009; www.dataflowsys.com.

Gorman-Rupp - The ReliaSource 8- by 9-foot above-ground lift station from Gorman-Rupp offers the company’s pumps, controls and enclosures. It comes fully assembled and tested to operating conditions. It accommodates Super T Series or Ultra V Series self-priming, heavy-duty solids-handling pumps from 2 to 60 hp, and offers flows to 2,600 gpm and heads to 160 feet. It handles solids up to 3 inches. 419/755-1011; www.grpumps.com.

PRIMEX Controls - The Station View duplex pump controller from PRIMEX Controls provides pump amp and flow, power loss and pump HOA selector switch monitoring. The graphic backlit display offers easy navigation, easy setup and a real-time clock. It is equipped with an SD card slot for data logging capabilities with seven days of historical data. It has password protection, alarm log and level simulation. It is SCADA compatible, with an optional cellular remote monitoring/Ethernet card. It can operate with a 4-20 mA submersible transducer or four float switches for stop, start, lag and high level. 888/342-5753; www.primexcontrols.com.

Zoeller Company - The Z-Rail pump-disconnect system for threaded discharge submersible pumps from Zoeller Company is engineered to perform in high-head and/or high-pressure systems. The ductile iron unit will support a 300-pound pump. Its epoxy powder-coat finish withstands harsh conditions, and the unit’s grooved machined fit provides superior sealing. 800/928-7867; www.zoellerengprod.com.

Flow Control and Monitoring

Badger Meter - BEACON Advanced Metering Analytics (AMA) from Badger Meter combines an analytic software suite with ORION AMI technology to give water utilities greater visibility and control over utility management. It uses a managed solution approach, two-way communications, and both fixed and cellular networks to deliver an end-to-end solution. Built-in infrastructure management services and endpoint upgrades eliminate maintenance and technology concerns, allowing utilities to focus on their core competency. Built-in consumer engagement tools help enhance customer service, increase satisfaction and reduce costs. 800/876-3837; www.badgermeter.com.

Blue-White Industries - The Sonic-Pro S4 hybrid ultrasonic flowmeter from Blue-White Industries has no moving parts and no internal liners to wear out. Inline pipe fittings make it easy to install, with nothing to adjust. It uses either Doppler or Transit Time methods, and is compatible with both clean and dirty fluids. Optional communication protocols include Industrial Ethernet, Profibus and Modbus. Data logging files can be downloaded directly to a USB memory stick or though communications protocol. It has dual relays for rate alarms, total alarms or proportional feed control. The housing is NEMA 4X (IP 66) rated for high-pressure washdown. 714/893-8529; www.blue-white.com.

Capstone Metering - The IntelliH2O water meter from Capstone Metering is designed as an integrated system that supports long-term sustainability. It meets AWWA standards within the 7.5-inch specification, and has a rechargeable battery system, ball valve for on/off control and remote operation from the office, cellular communication via Verizon Wireless directly from each meter to the cloud, and integrated pressure and temperature sensing alarms to isolate potential leaks. 972/446-1700; www.intelli-h2o.com.

CLA-VAL - The X144 e-FlowMeter vortex-shedding insertion flowmeter from CLA-VAL can be retrofitted into a CLA-VAL Control Valve to capture flow data without installing an inline meter. The X145 e-Display works in tandem with the flowmeter to provide local display of flow rate, pressure and valve position. The e-Display is SCADA compatible, has customizable units and is simple to program. Both the flowmeter and the e-Display can be operated using the X143IP power generator, which uses the hydraulic energy in distribution system piping to generate up to 14 watts of power without tying into the power grid. 800/942-6326; www.cla-val.com.

Esri - The ArcGIS integrated, multidepartment platform from Esri helps operators manage, plan, analyze, map, monitor and communicate from one complete technology platform. It allows operators to visualize information in the form of interactive, web-based maps, reports and charts. They can share select data with staff and stakeholders, analyze it for planning, maintenance and compliance, and integrate data with other systems. 800/447-9778; www.esri.com.

Halogen Valve Systems - The Hexacon Model III toxic gas multi-actuator valve controller from Halogen Valve Systems has an organic LED information display and optional programmable relay interface module for clear, timely, informational outputs. A second battery allows quick and reliable valve closures. Its microprocessor system measures and applies a torque of 30 or 50 ft-lbs for test or emergency valve closures for cylinder and ton container valves. All fire codes recognize and approve the automatic-closing fail-safe shut-off valve system in lieu of a scrubber. The SCADA option system provides 26 distinct information streams to allow quick corrective action. 877/476-4222; www.halogenvalve.com.

Itron - Itron Analytics for water helps utilities turn meter data into actionable intelligence. With a data store optimized for analytics, business intelligence dashboards and water-utility-specific analytics, it helps water utilities improve operations and asset management. It addresses the challenges utilities face with aging infrastructure, increased demand and non-revenue water loss. The program provides revenue protection, district metering, flow analysis and trending and forecasting modules to help utilities better manage the delivery and use of water. 866/374-8766; www.itron.com.

iWater - The infraMAP GPS-guided mobile GIS system from iWater allows seamless data collection and updates to a utilities asset management program. This easy-to-use software is geared toward field crews, and does not require GIS experience. It brings together field crews, management, GIS and engineering, and includes red-lining, one-click reporting, isolation traces, asset inspection forms and work history records. 877/482-5834; www.iwater.org.

KROHNE Inc. - The WATERFLUX magmeter from KROHNE measures precisely, has no moving parts and is maintenance-free during its service life. Its rectangular sensor conditions the flow, eliminating the need for any upstream and downstream piping, while improving low-flow performance. The durable RILSAN-lined measuring tube is available in 1- to 12-inch sizes, and the available battery-powered converter features a 15-year battery life. It is an ideal replacement for aging mechanical meters where power is not available. 800/356-9464; www.us.krohne.com.

Master Meter - The Octave water meter from Master Meter has a solid-state design that eliminates all moving parts and mechanical wear. A high sample rate analyzes flow often to ensure consistent accuracy across very wide flow ranges, and is sensitive enough to measure water use and micro leaks at 1/16 gpm on a 4-inch commercial meter. It features a compact design that lowers installation costs and eliminates the need for a strainer. Its standardized communication protocols provide compatibility with most current AMR/AMI systems in use. 817/842-8000; www.mastermeter.com.

Primary Flow Signal - The HVT venturi meter from Primary Flow Signal is engineered for accuracy and reliability for municipal water/wastewater flow measurement. It is available in a variety of configurations, including a cast-iron pressure vessel, fabricated (welded) metal pressure vessel, plastic insert style, welded insert and welded-in pressure vessel. It has repeatable plus-or-minus 0.25 percent lab-calibrated accuracy, and a stable linear coefficient of discharge. 401/461-6366; www.primaryflowsignal.com.

Spire Metering Technology - The 280W-D ultrasonic water meter from Spire Metering Technology has no moving parts, a waterproof design and high-quality bronze construction. It enables proactive monitoring of drinking water with the ability to detect leaks as low as a few drops per second. Its large dynamic range and low-flow performance make it an ideal solution for residential water metering. It complies with AWWA C700 and C750 standards, and can be used to retrofit mechanical water meters. 888/738-0188; www.spiremt.com.

Telog Instruments - The RG-32 rain gauge recorder from Telog Instruments monitors the output of any tipping bucket-style rain gauge, providing interval rain totals of any defined length. It can be configured to call a host computer on any fixed schedule, or whenever a specific level of rainfall has accumulated. It is battery powered, equipped for wireless transmission of data, and can operate for years without maintenance. 585/742-3000; www.telog.com.


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