level transmitter Articles

  • LIT25 level indicating transmitter controls swimming pool level

    The Town of Okotoks, Alberta I never gave it much thought, but what happens to the displaced water when a hundred people jump into a large public swimming pool? It goes into a surge tank - of course. This Greyline LIT25 Level Indicating Transmitter with ultrasonic sensor is installed in the basement of the Okotoks Recreation Centre in Alberta, Canada. The LIT's 4-20mA output is connected to a ...


    By Greyline Instruments Inc.

  • DLT 2.0 differential level transmitter open letter from a Greyline customer

    The Process: The Municipality of the District of Lunenburg in Whynott's Settlement, Nova Scotia added a septage receiving station to their landfill site. Part of the treatment train is a chlorinated duplex vertical turbine pump station delivering effluent from the sludge processing facility to a field of spray nozzles for dispersion. The pump station has two points of discharge and the ...


    By Greyline Instruments Inc.

  • NivuFlow 750 - Transmitter with intuitive operation

    NivuFlow 750 is the successor to the well-known OCM Pro CF. The compact dimensions of the new transmitter allow to install the unit on DIN rails and in switching cabinets even under confined conditions. The connecting options using plug-in terminals on the transmitter front ensure quick and reliable wiring as well as to quickly exchange the transmitter without tools. The modern menu-based ...


    By NIVUS GmbH

  • Wastewater Level Measurement Techniques

    Level monitoring and control is a fundamental requirement in any wastewater treatment process. You will find level instrumentation installed at even the simplest treatment plants for pump control, chemical storage tanks and process level controls or alarms. Operators have only limited or emergency control over treatment plant influent, so level controls and instrumentation play an important role ...


    By Greyline Instruments Inc.

  • Ultrasonic level measurement: a Modern Classic!

    Radar technology has long had the reputation of being the best method of level measurement available - but does this also apply to the wastewater market? Based on its physical characteristics, radar technology certainly offers great flexibility and high performance. However, from an objective standpoint, non-contact level measurement using ultrasound is often the first choice and also the right ...


    By Endress Hauser

  • Drift Step Recovery Diode Transmitter for High Power GPR Design

    Some elements of the modern ground penetrating radar (GPR) determine its performance factor, resolution and depth of sounding. There are impulse transmitter, ultra-wide-band receiver as well as transmitting and receiver antennas. Improvement of the GPR's parameters is usually achieved by modernization of receiving circuits, antenna design, decreasing of input noises and using of complex ...


    By Transient Technologies LLC

  • Raffen landfill site, Cork, Ireland

    AFS were awarded a contract to design a gas and leachate collection system, and carry out a 10-week gas pumping trial to evaluate the levels of gas being generated from Raffen Landfill Site. From the pumping trial data, a 200m3/hr HT flare was designed, built and installed. A hydrovane compressor/receiver/dryer package was installed to operate ten pneumatic leachate extraction pumps. Within ...

  • Ammonia Vent Line Gas Detector

    The LPT-A Vent Line Ammonia Transmitter (P/N: LPT-A-VLT-NH3-S) is designed for continuous monitoring of ammonia levels in the vent lines of refrigeration systems caused by equipment failure or system over pressurization. Slow leaks of refrigerant can be costly over time and a dangerous situation could present itself if a high pressure release were to occur. The VLT provides continuous, ...

  • Capacitance Technologies have a real sense for the environment

    In the world of technology stars, capacitance has been type-casted. For over 100 years, capacitance has performed in countless applications for industrial control and automation. It is routinely used for high and low level alarm, continuous level monitoring, interface transmitters, plugged chute detection and even dry pump control. As new technologies have been introduced, ...


    By Arjay Engineering Ltd.

  • Falkirk Council case study

    Falkirk County Council, Scotland Supply and installation and maintenance of a Trash Screen blockage and Flood Warning system, 2006 - ongoing Hydro-Logic was appointed by Falkirk County Council to supply, install and commission a series of 7 sites where there were concerns over flooding. The systems were deployed to supply alarms to a central control office at Falkirk ...


    By Hydro-Logic Services

  • Dual Telemetry with GOES

    Make GOES more effective and reliable with a secondary telemetry option. GOES, for all it’s no-cost, reliable virtues, has some drawbacks. First, it’s a one-way transmission—there’s no way of sending any data to your station. This means there’s no way to reprogram a data logger or reboot a stuck data logger or purge a bubbler without (an unplanned) visit to the site. ...

  • Leachate Monitoring Alarm System

    A Major Waste-Disposal Operator, Sept 2008 - ongoing Leachate Monitoring at Landfill Site near Reading Design and installation of a GSM-based telemetry system for monitoring leachate level and pumping rates at 5 no. boreholes. An ATEX certified intrinsically-safe depth pressure transmitter was selected due to the presence of explosive gases at the site. A ...

  • Role of optical density on the choice of photolytic reactor

    Photolysis and photo–catalysis are two classifications of advanced oxidation processes for treating toxic wastes. Stark–Einstein law and Lambert–Beer's law equation are widely used to explain the kinetics of the photolytic reactions. The optical density influences the rate of reaction. The influence of optical density on transmittance and order of reaction has been analysed. An effectiveness ...


    By Inderscience Publishers

  • On-line measurements provide more accurate estimates of nutrient loading: a case of the Yläneenjoki river basin, southwest Finland

    Automatic on-line measurement stations for water quality components and water level were equipped with dataloggers and GSM transmitters; the stations were installed at two sites in the Yläneenjoki river basin, SW Finland. Measurements during five seasons in 2006–2007 were conducted to find out whether the produced data would provide more accurate estimates of material and nutrient transport than ...


    By IWA Publishing

  • Trash Screen Monitoring in Falkirk

    Falkirk County Council, Scotland Supply and installation and maintenance of a Trash Screen blockage and Flood Warning system, 2006 - ongoing Hydro-Logic was appointed by Falkirk County Council to supply, install and commission a series of sites where there were concerns over flooding. The systems were deployed to supply alarms to a central control office at Falkirk ...

  • Early flood warning via SMS

    A citizen’s service that visualises regional flood data, gives the fire brigade additional lead time and informs citizens via SMS in case of emergency: that’s wasserstand.info The website wasserstand.info displays water levels of Austrian rivers located in the state of Lower Austria. So citizens an monitor the water levels proactively ...

  • Citizen`s Service wasserstand.info- case study

    Citizen's Service wasserstand.info Development & Technology Supplier: Microtronics Engineering GmbH Installation & Maintenance: Inaut Automation GmbH Sector: Early flood warnings / civil protection Country: Austria Year of Cooperation: 2008 Website: www.wasserstand.info The idea Microtronics deals with the wireless transmission of ...

  • Helping veolia transform waste into bio-fuel case study

    LIPODAN, a VEOLIA company, is a plant for recycling grease, food grease and used oil which is collected from restaurants, from gas stations, car garages, bus companies and similar locations. The plant treats 12,000 Tons of organic oils and 6,000 Tons of mineral oil per year. For recycling, the plant is using the LIPOVAL process. The oils are first converted to LIPOFIT, an ...

  • Boiler feedwater deaerators

    The thermophysical deaerator is by far the most applied technology when oxygen and carbon dioxide in Boiler Feed Water must be reduced to negligible concentrations Bono ARTES has inherited the experience in the design of Deaerators that started up within the BONO Group in 1959. The Boiler Feed Water, if in equilibrium with the atmosphere, may contain significant levels of corrosive gases, mainly ...


    By Artes Ingegneria SpA

  • Municipal sewer remote monitoring

    Sewers are critical heavy duty infrastructure components requiring costly maintenance. Many municipalities suffer from ageing pipelines that pose higher chances of failure. Sewer leak or overflow results in high cost as a result of civil reimbursement and due to inflected illness. Moreover Civilian frustration that results form the overflow is often targeted towards the municipality. Overflow can ...

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