current sensor Articles

  • 7 Ways a Data Logger Can Save You Money

    Every day we talk with dozens of customer to help them find the right data logger for their project. One of the first questions we ask is “Why are you buying a data logger?” Our goal is to understand the problem they are trying to solve or reason they are looking for a logger. Like many things, it often boils down to money: trying to reduce the cost of lost product or production or ...


    By CAS DataLoggers

  • Response time testing of temperature sensors using loop current step response method

    The Loop Current Step Response (LCSR) method is used for in–situ response time testing of temperature sensors as installed in an industrial process. This paper presents the theoretical foundation of the LCSR (test theory, LCSR equation and test procedures) and the author's research to validate its use in nuclear power industry applications. The validity of the LCSR method depends on how ...


    By Inderscience Publishers

  • Improving load regulation in current mode control through inductor current filtering

    Current mode control (CMC) though offers improved line regulation, phase margin and high bandwidth suffers from high output impedance. Although load regulation can be improved by incorporating an integral gain, it reduces the phase margin and increases the overshoot. The objective of this paper is to achieve improved output impedance without using an integral controller. Incorporating a high pass ...


    By Inderscience Publishers

  • Current advances in sustainable Metalworking Fluids research

    Metalworking Fluids (MWFs) have a history of harming the environment and the health of workers, resulting in pressures to re-design them in accordance with sustainable manufacturing principles. In this paper, we review research being performed at the University of Michigan to minimise the life cycle environmental and health impacts of MWFs while simultaneously improving manufacturing performance. ...


    By Inderscience Publishers

  • The role of nanotechnology in diabetes treatment: current and future perspectives

    Diabetes is a chronic disease that currently affects approximately 8% of the US population, and that number is expected to increase significantly by the year 2030. It is imperative that effective monitoring and treatment options be available to patients. Nanotechnology is a focal point in diabetes research, where nanoparticles in particular are showing great promise in improving the treatment and ...


    By Inderscience Publishers

  • Sensor data processing for emergency response

    A gap with current Emergency Response (ER) is the lack of real-time information on the status of an incident. Wireless sensor networks have shown great potential in addressing this gap. However, sensor data streams often contain 'noise', thus they are too difficult to be directly interpreted. In addition, sensor data are often meaningless unless it is associated with time and location ...


    By Inderscience Publishers

  • BLOOM Wastewater Sensor - Case Study

    Water is an integral input and vital strategic resource for the Ontario Food and Beverage Processing Sector. Water plays a variety of diverse and convergent functions. It is used for heating and cooling, blending, washing and rinsing, convey- ing, cleaning and sanitation – as well as being a vital product ingredient. However, the use of water inevitably leads to the generation of wastewater ...


    By MANTECH Inc.

  • Determining the Right Cable Length and Output for a Sensor

    If you’re monitoring a bridge or automating a machine, a high precision sensor is a great solution, but it’s no good if the output signal can’t reach the data logger. Depending on what you need to measure and what environment you’re in, determining how long your cable must run can be crucial. High precision sensors offer three common output types: analog, digital and ...


    By Jewell Instruments LLC

  • Ultrasonic depth sensor to measure water levels

    The Dutch algae control company LG Sonic introduced an ultrasonic depth sensor to give the customers real-time insight in the water levels which allows them to adequately deal with water level fluctuations. Reservoirs used for industrial processes or the production of drinking water often deal with strong water level fluctuations. Due to events of high demand and evaporation, water levels in ...


    By LG Sonic

  • Online discharge measurement with horizontal doppler-flow sensor

    Background The regional authority responsible for the barrages in the Free State of Saxony is in charge of the water management of the Rötha. Reservoir. This reservoir is situated close to the river Pleiße, from which the water is led over a weir into the reservoir.. Knowledge about the inflows of the reservoir is important for the water management there. So far, the ...


    By The OTT Hydromet Group

  • Towards practicable sensors using one-dimensional nanostructures

    Nanomaterials, including nanoparticles, nanowires, nanotubes etc., are the object of much well deserving attention by researchers and the public alike. Because of their novel properties associated with their typically large surface to volume ratios and finite- or quantum-size effects, they offer an avenue of exploration for new and interesting physics, chemistry, biology and materials science. ...


    By Inderscience Publishers

  • Lifesaving weather warnings thanks to professional visibility sensors

    The new Lufft visibility sensor VS20k is now officially available. But what distinguishes it from the previous model and for which applications is it suitable? In the following article, you learn more about the new Lufft visibility sensor family… Reduced visibility – a risk for all traffic users Traffic accidents, flight cancellations and delays: Reduced visibility is ...

  • Sensor Setpoint Validation of Reclaimed Water UV Reactors

    ABSTRACTReclaimed water ultraviolet light (UV) disinfection system can be a critical component of a multiple barrier approach for public health protection. Current control methodologies rely upon assumed end of lamp life factors and sleeve fouling factors, which often result in overdosing when the lamps are new and the sleeves are clean and underdosing as the lamps ...

  • Lufft sensors now officially approved for airports in Ukraine

    Background info There are 16 international civil airports in Ukraine. At the moment only 10 of them are in operation. A major modernization and restoration program for airports is currently underway in the country. This includes the construction of new runways and the reorganization of aviation weather services. In this context, all existing AWOS (Automated Airport Weather ...

  • Upgrading from Pellistor Gas Sensors to Infrared Technology

    In this article Andy Avenell, Crowcon’s Fixed Systems Product Manager, considers the shift towards infrared (IR) gas sensor technology in the oil and gas industry. Abstract Flammable gases and vapours can present considerable dangers in many industrial applications, none more so than the processes involved in extracting, transporting and processing oil and gas. Fast and reliable ...

  • A Multi-Sensor Piezometer for Shallow Marine Sediments in Coastal Environments

    A multi-sensor piezometer has been developed to measure dynamic excess and ambient pore pressures in shallow marine sediments under the effect of surface waves, tides, and currents. The probe consists of a shaft (1.5 m long with five porous stones at subseafloor depths ranging from 0.10 to 0.93 m) and two upper chambers (one that is hermetically sealed for the transducer electronics and another ...


    By ASTM International

  • Water Level Monitoring Using a Druck Depth/Level Sensor

    In this Tech Article from CAS DataLoggers and dataTaker, we describe the process of connecting the Druck PTX 1830 depth/level sensor to a dataTaker DT8x series data logger. These two components can function as a water level monitoring logger and record depth measurements. The Druck sensor outputs a 4-20mA ...


    By CAS DataLoggers

  • A blind estimation of speed and rotor position of permanent magnet synchronous motor from the measurements of stator currents using extended Kalman filter

    A number of techniques have been developed for estimation of speed or rotor position in motor drives. In this paper, an extended Kalman filter (EKF) is developed for the estimation of speed and rotor position using only the measurements of three phase stator currents. Conventional mechanical sensors are not needed for this estimation. The paper proposes the modelling of the dynamic equations of ...


    By Inderscience Publishers

  • Accuracy in temperature sensor response time estimation for new nuclear reactor designs

    One method for measuring the response time of temperature sensors, the plunge test, verifies that the sensor has a suitable response time in the laboratory before installation. However, plunge test results cannot be extrapolated to the response time in an operating plant because response time is affected by multiple factors such as the ratio of internal heat-transfer resistance to the surface ...


    By Inderscience Publishers

  • OTT RLS Radar Level Sensors Help Optimize South Dakota TMDL Monitoring

    Non-contact OTT RLS Radar Level Sensors using accurate pulse radar technology are helping the South Dakota Department of Environment & Natural Resources more efficiently monitor water levels at current and future statewide Water Quality Monitoring ...

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