Sensors, Transducers and Detectors Reference Materials
Reference Articles 2401 - 2500 of 3116
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Coupling a sensory hair-cell bundle to cyber clones enhances nonlinear amplification
From: Piezosystem Jena, Inc.Description: The vertebrate ear benefits from nonlinear mechanical amplification to operate over a vast range of sound intensities. The amplificatory process is thought to emerge from active force production by ...
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Ensuring Color Integrity
From: DatacolorDescription: A willingness to adopt cutting-edge technologies is key to the Burlington WorldWide division's ability to deliver specialty, value-added products that stand out in a crowded marketplace. Color plays a ...
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Share Your True Colors
From: DatacolorDescription: In most manufacturing processes, color is the most visible test of quality. Not getting your customer's requested color right the first time puts you at risk for losing the job. With an increasing ...
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Using a 3-Wire RTD to Prevent Temperature Measurement Errors
From: CAS DataLoggersDescription: Workers in food storage, medical monitoring and many other industries rely on RTD temperature measurements to protect their valuable inventory. CAS DataLoggers Applications Specialists offer this ...
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Ghost Hunting with Wireless Data Loggers
From: CAS DataLoggersDescription: CAS DataLoggers recently had a unique customer-a group of paranormal investigators going ghost hunting! This organization needed to conduct extensive temperature monitoring to pinpoint the sudden ...
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In-situ balance of an Open Cycle Gas Turbine
From: Prosig USA, Inc.Description: A vibration problem arose at an Open Cycle Gas Turbine. Following an outage on the four gas turbines and two SSS clutches, the machine returned to service with unacceptable vibration levels on some ...
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Vibration Condition Monitoring Doesn't Get More Mobile Than This!
From: Prosig USA, Inc.Description: Have you ever wondered if there is a vibration condition monitoring system that can be installed anywhere and then monitored from anywhere else? Even on your smartphone? Well, there is. The following ...
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Design Principles of Heated Compressed Air Dryers
From: Van Air Systems, Inc.Description: This discussion focuses on the design of Temperature Swing Adsorption (TSA) systems applied to dry compressed air and discusses several TSA designs commonly used. ...
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CO2 Adsorption over Ion-Exchanged Zeolite Beta with Alkali and Alkaline Earth Metal Ions
From: Hiden AnalyticalDescription: CO2 adsorption over ion-exchanged zeolite beta with alkali and alkaline earth metal ions ...
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Measuring Methane-Based Digester Gas Flow In Wastewater Treatment Plants
Description: Process and plant engineers at municipal wastewater treatment facilities need to measure, monitor and dispose of methane (CH 4) and other digester gases that occur naturally in their operations. These ...
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3 Ways to Troubleshoot RTD Probes on an Accsense System
From: CAS DataLoggersDescription: Several Accsense data logger pods can connect with PT-100 RTD temperature probes to provide highly accurate measurements. These probes are 3-wire probes and can present some problems when users do the ...
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The Top 3 Reasons the Temperature Goes Crazy in Your Fridge
From: CAS DataLoggersDescription: Personnel installing new temperature monitoring equipment in their medical or storage refrigerators and freezers are often stumped as to why the temperature appears to vary unexpectedly. ...
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Troubleshooting Thermocouple Wiring
From: CAS DataLoggersDescription: When it comes to temperature probes, users have many sensor types to choose from, including thermistors, RTDs and thermocouples. Thermocouples come in many different types and tend to be the most ...
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Hiden Reference: AP0002/Surface characteristics of parylene-C films in an inductively coupled O2/CF4 gas plasma
From: Hiden AnalyticalDescription: We investigated the degradation mechanism of OTFT performance in the plasma processing. In order to examine the origin of the degradation mechanism due to the plasma exposure, the relationships ...
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Pressure Monitoring of Reactor Bundles in a Refinery
From: CAS DataLoggersDescription: Lately CAS DataLoggers provided the datalogging equipment to an oil refinery conducting a demanding field logging test application. The refinery used large catalytic reaction tubes for processing: ...
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Tank Temperature Monitoring and Control
From: CAS DataLoggersDescription: CAS DataLoggers recently supplied the industrial data logging technology for a large manufacturing plant monitoring the temperature of several water bath tanks used to maintain the temperature of a ...
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Environmental Monitoring of Algal Blooms in a River System
From: CAS DataLoggersDescription: CAS DataLoggers recently provided the data logging solution for an environmental organization monitoring an outbreak of algal blooms in a major river. The slime-colored blooms had formed as a rapid ...
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Guide to Choosing the Right Temperature Sensors
From: CAS DataLoggersDescription: There are 4 main types of temperature sensors that are used with data loggers, and it can seem like a difficult decision to find the right type. ...
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What is Capacitance
From: Arjay EngineeringDescription: Physically, a capacitor is two electrical conductors separated by a non-conducting (or very high resistance) medium between the conductors. Consider the two plates of area (A) in Figure 1. The plates ...
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FTIR FOR FEMENTATION
Description: When fermentation is carried out on a batch basis, the proportions of carbon dioxide and oxygen are reliable indicators of the efficiency of the production process and the status of the bio-reactor. ...
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QUANTIFYING & QUALIFYING CYLINDER GAS USING FTIR
Description: The need to precisely and accurately measure Ammonia (NH3) in gas cylinders. The analytical approach must be fast, reliable, easy-to-use, consume very little gas and be economical. Calgaz, a Division ...
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Measuring Pore Sizes in Walls of Hollow Fiber Membranes by Porometry
From: Quantachrome InstrumentsDescription: Hollow fiber and capillary membranes have a number of attractive properties such as flexibility, high surface area per unit volume, and unique packaging opportunities, which means they can be adapted ...
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Using Mercury Intrusion Porosimetry to Characterize Specialty Papers
From: Quantachrome InstrumentsDescription: Mercury intrusion porosimetry is a useful technique for the characterization of coated and uncoated papers. Mercury porosimetry can provide structural information such as pore size distribution, pore ...
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Water Vapor Sorption by Milk Powders
From: Quantachrome InstrumentsDescription: Milk powder is a valuable commodity for industrialized and third world countries. It is widely used in industrialized countries as the basis for powdered infant foods and by the baking and confection ...
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Temperature and Humidity Monitoring During Truck Shipments
From: CAS DataLoggersDescription: CAS DataLoggers recently supplied the datalogging solution for a chocolate manufacturer experiencing problems when complaints came in from customers occasionally receiving spoiled chocolate products. ...
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Optical Sensor Application Notes
From: Marktech OptoelectronicsDescription: LEDs (Light Emitting Diodes), semiconductor light sources, have been introduced and developed for several decades. LEDs are applied in many devices as indicators and general illumination products such ...
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Installing Medical Freezer Temperature and Alarm Monitoring
From: CAS DataLoggersDescription: CAS DataLoggers recently provided the temperature monitoring and alarming solution for a nationwide security company with a pharmacy client who required additional alarming for their 3 medical ...
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Natural Gas Processing
Description: This case history describes how one customer used the CalorVal BTU analyzer to measure the heating value of its varying waste stream with water vapor & high levels of corrosives going into a flare ...
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Air Pressure Monitoring for a Chemical Fume Hood
From: CAS DataLoggersDescription: CAS DataLoggers is here to show you how Accsense A1-01a Wireless Data Loggers provide an air pressure monitoring solution for a chemical fume hood ensuring safer operation in a laboratory. ...
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Controlling Sound Level- Electronic Method
Description: For piezoelectric type audible alarms, the larger the voltage signal applied to the piezoelectric transducer, the louder the sound level. This property can be used to electronically control the sound ...
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Controlling Sound Level- Mechanical Method
Description: These days, it seems that we are constantly being alerted with everything from beeps to buzzers. Personal Computers, virtually all types of home appliances, cars, farm implements, golf carts, medical ...
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Differential Pressure and Temperature Monitoring in a Hospital Cleanroom
From: CAS DataLoggersDescription: CAS DataLoggers recently provided the wireless pressure and temperature monitoring solution for a hospital maintaining a surgery cleanroom to protect patients from a variety of environmental ...
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Micro Fluidic Flow and Pressure
From: Bronkhorst USADescription: The footprint of mass flow and pressure sensors can be substantially reduced using MST/MEMS Equipment manufacturers are looking for compact solutions to monitor or control the gas flow or pressure ...
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pH Sensors: Know whether to calibrate the sensor,
Description: This paper will address * Knowing when to do a pH sensor calibration versus a calibration check * How to properly clean a pH sensor * How to perform a pH sensor calibration * A decision tree for step ...
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Synthetic Fibers
Description: This case history describes how one customer optimized their process, reduced waste and increased their efficiency by using the CalorVal BTU analyzer to read high concentrations of methanol in the UFL ...
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Operating Principles for Capacitive Proximity Sensors
From: Fargo Controls, Inc.Description: Capacitive proximity sensors are used for non-contact detection of metallic objects & nonmetallic objects (liquid, plastic, wooden materials and so on). Capacitive proximity sensors use the variation ...
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Operating Principles for Inductive Proximity Sensors
From: Fargo Controls, Inc.Description: Inductive proximity sensors are used for non-contact detection of metallic objects. Their operating principle is based on a coil and oscillator that creates an electromagnetic field in the close ...
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Operating Principles for Magnetic Sensors
From: Fargo Controls, Inc.Description: Magnetic proximity sensors are actuated by the presence of a permanent magnet. Their operating principle is based on the use of reed con-tacts, whose thin plates are hermetically sealed in a glass ...
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Operating Principles for Photoelectric Sensors
From: Fargo Controls, Inc.Description: These sensors use light sensitive elements to detect objects and are made up of an emitter (light source) and a receiver. Four types of photoelectric sensors are available. Direct Reflection ...
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Understanding the Importance of Transducer Orientation
From: Prosig USA, Inc.Description: When monitoring vibration on large gas or steam turbines and generators with fluid-film bearings, the relative movement of the shaft within the bearing is typically measured by a pair of shaft ...
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A beginner's guide to combustion optimization Improve efficiency, lower environmental impact, reduce downtime
Description: This guide discusses how best to optimize combustion efficiency in any application using combustion plant. Combustion optimization in some form or other has become an absolute necessity for all ...
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Case Study: TONiC™ incremental encoders have star potential for Astrosysteme Austria
From: RenishawDescription: The digital age has led to a quantum leap in astrophotography, making even the furthest galaxies accessible to professional astronomers and observatories. Now, thanks to Astrosysteme Austria (ASA), ...
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Case Study: Five-axis CMM inspection lets
From: RenishawDescription: Scanning probes speed form-data collection and feedback to machining cells, reduce CMM fixturing and cut probe calibration time from hours to minutes at Kawasaki's Maryville, MO plant. ...
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Coil Coating
Description: sing PrevEx Flammability Analyzers, this Coil Coater operates safely & saves energy! ...
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Gage vs. Absolute vs. Sealed Pressure
From: ViatranDescription: The conventional units for defining pressure are SPI, pounds per square inch. However, in all pressure measuring devices, a reference pressure has to be established and the PSI qualified to indicate ...
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Guide to Pressure Transducer Selection
From: ViatranDescription: Most applications for pressure transducers are relatively straightforward. Install the transducer according to manufacturer's recommendations, and obtain an accurate reading from an exceptionally ...
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Pressure, Its Units of Measure and Pressure References
From: ViatranDescription: This techncial article is a summary reference on teh nature of pressure, some common units of measure and pressure references. ...
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Strain Gage Pressure Transducer
From: ViatranDescription: Pressure transducers use a variety of sensing devices to provide an electrical output proportional to applied pressure. The sensing device employed in the transducer under discussion is bonded, metal ...
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Tensile Test on Rubber
From: Mecmesin CorporationDescription: British Gaskets are a major manufacturer of gaskets, sealing products and mouldings. These are made from a variety of materials to suit a range of applications. British Gaskets required a test system ...
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Case Study: Honeywell Partners with TATA Steel for their Energy Management Center for Gaseous & Liquid fuels
Description: Tata has set up a modernized Energy Management Centre (EMC) equipped with a Supervisory Control And Data Acquisition (SCADA) system that gathers all plant site energy information and manages the load ...
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Gravity Lubricator Application
From: Oil-Rite Corp.Description: This hydroelectric dam utilizes Oil-Rite lubricators. ...
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A guide to Temperature Measurement
Description: Given the variables surrounding temperature measurement, it is little surprise that accuracy and reliability have been a persistent problem. As a world leader, Cropico understands what it takes to ...
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Clamp On Current Monitors Acheive Wide Bandwidth
Description: A wideband current monitor consists of two halves that clamp together over a conductor, offering measurement convienience from near DC to 15 MHZ. ...
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Noise Reduction by Ferrite Cores
Description: In any current monitoring application noise may be capacitively coupled to the outer shield of the current monitor. The coupled voltage causes current to flow on the cable shield which in turn ...
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Energy Savings
Description: This customer automated damper controls on their ovens and maximized energy savings! ...
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How To Calculate A Resultant Vector
From: Prosig USA, Inc.Description: We can distinguish between quantities which have magnitude only and those which have magnitude and are also associated with a direction in space. The former are called scalars, for example, mass and ...
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Check the quality of glycerine throughout the purification process using digital density meters and refractometers
From: Anton PaarDescription: Glycerine is a colorless, odorless, hygroscopic and sweet-tasting viscous liquid, derived from both natural and petrochemical feedstocks. Its use in industry is manifold and extensive: it is used in ...
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Which Is Better: Three or Four Load Cells?
From: Hardy Process SolutionsDescription: Which system to choose for your weighing application? ...
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Soldered Flexi-Circuits Tensile Test
From: Mecmesin CorporationDescription: The customer was a manufacturer and developer of braking systems for the heavy goods vehicle, bus and truck industries. This involves the manufacture of printed circuit boards (PCBâ s), hot bar ...
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Applying Thermocouple Calibration Corrections Yourself
From: CAS DataLoggersDescription: When working with dataloggers, users sometimes have to apply calibration corrections themselves, which can be quite an involved process. This tutorial examines a scenario involving thirty ...
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IQC Brake Test System
From: Signalysis, Inc.Description: The IQC Brake Rotor/Drum Test system is designed for 100% Resonance Frequency Inspection. Brake Rotors/ Drums are required to pass a series of tests to validate that the modal parameters of a ...
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IQC HVAC Production Test Systems
From: Signalysis, Inc.Description: This IQC Production Test System is designed to perform 100% inspection for NVH related defects of in vehicle HVAC units. The system replaces existing subjective tests with an arsenal of vibration, ...
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IQC Steering Column Test System
From: Signalysis, Inc.Description: This IQC Production Test System is designed to perform 100% inspection for NVH related defects of in power assist steering columns. The system replaces existing subjective tests with an arsenal of ...
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Magnetic Alternative to Optical Encoding
From: Phoenix America, Inc.Description: Incremental encoders using magnetic technologies have been around a long time. Because of their robust nature, automotive designers have been using Low Resolution Magnetic Encoders for years in ...
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Advancing Thermal Mass Gas Flow Meters for 21st Century Process & Plant Needs
Description: Process, instrument and plant engineers are challenged continuously by productivity and plant operating efficiency objectives as well as ensuring plant compliance with an ever expanding list of ...
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Angular Encoders
Description: Using angular encoders to measure rotation. ...
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Mr Angle
Description: How to use Magnetoresistive Technology to measure angles. ...
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Mr Basics
Description: Fundamentals of Magnetorestrictive Sensors ...
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Novel Redundant Magnetoresistive Angle Sensors
Description: An AMR sensor is presented, which measures rotational angles with high precision and double redundancy, i.e. even if one sensor bridge breaks down, still an angular error can be calculated. from the ...
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Accelerometer Self-Testing
Description: Overview of ways end-users can test accelerometers to see if they are functioning. ...
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Accelerometers for Safety Labs
Description: Summary of accelerometers available for safety test applications in a laboratory environment. ...
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Aerospace-High g Testing
Description: Reviews a new generation of high g shock sensors and their applications. ...
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Using Double-Sided Tape for Accelerometer Mounting
Description: Empirical study that looks at the performance of accelerometers that are mounted with double-sided tape. ...
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Accelerometer Basics
Description: Suggestions on how to use accelerometers across a wide variety of applications. ...
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Triax Accelerometer for Race Car Performance
Description: Motorsports recognizes the need for a triaxial accelerometer that can provide accurate vibration results in pre-race trials, and real-time measurements during the course of an actual race. Precise ...
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Air/Gas Mass Flow Meter Improves Wastewater Treatment Processing Efficiency
Description: A fast growing city in the arid desert regions of the Western U.S. recently addressed the need to expand its municipal service for new residents and subdivisions. In recent years, the city's ...
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Monitoring Flower Storage Temperature Remotely
From: CAS DataLoggersDescription: CAS DataLoggers provided the remote flower storage temperature monitoring solution for a fresh flower supplier who needed to monitor the temperature in three remote storage sheds. Like everyone in the ...
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Thermistor Glossary
Description: Current-time characteristic: The current-time characteristic is the relationship at a specified ambient temperature between the current through a thermistor and time, upon the application or ...
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Piezoelectric Sensor Technology
Description: Shock and vibration can be expressed in terms of variations in displacement, velocity or acceleration with time. Acceleration is the most frequently used since the inertial load or destructive force ...
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Force Balance Sensor Technology
Description: The servo force balance accelerometer offers significant performance and accuracy advantages. This fact is evident by their extensive use in applications requiring 0.1% or better overall accuracy. ...
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Linear Variable Differential Transformer Technology
Description: Differential transformers are electromagnetic devices for translating the displacement of a magnetic armature into an AC voltage, which is a linear function of the displacement. They are basically ...
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Reference: Asphyxiant (Oxygen Deficiency) Hazard
Description: We all need to breathe the Oxygen (O2) in air to live. Air is made up of several different gases including Oxygen. Normal ambient air contains an Oxygen concentration of 20.9% v/v. When the Oxygen ...
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Reference: Toxic Exposure Limits (US & Europe)
Description: Occupational Exposure Limit values (OELs) are set by competent national authorities or other relevant national institutions as limits for concentrations of hazardous compounds in workplace air. ...
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Typical Areas that Require Gas Detection
Description: There are many different applications for flammable, toxic and Oxygen gas detection. Industrial processes increasingly involve the use and manufacture of highly dangerous substances, particularly ...
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Biogas To Energy-From Waste To Watts
From: CAS DataLoggersDescription: PMP Environmental's tapioca starch plant in Sumatra, Indonesia became increasingly concerned about the impact of greenhouse gas emissions and rising energy costs. ...
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Development of a Low-Maintenance Turbidimeter
Description: State-of-the-art turbidity meters for potable water analysis are based on the nephelometric measurement principle as described in Standard Methods and adopted by the ISO standards. Turbidity is ...
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Incineration
Description: This case study discusses why one company chose the PrevEx Flammability analyzers to monitor their oxidizers. ...
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GapmanGen3 Electronic Gap Measurement System for Aircraft Applications
From: Capacitec, Inc.Description: Process control improvement drives new gap measurement techniques Due to increased standardization of process improvement methods such as SPC and Six Sigma, aircraft structural component manufacturers ...
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Understanding Torque Values
From: Mountz, Inc.Description: Adequate clamping prevents relative motion between parts of the joint and leakage from joints containing gaskets. Measuring a bolts clamp force is difficult, especially under production assembly ...
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Displacement transducer selection considerations.
Description: The following factors should be considered when selecting an displacement transducer: 1. Measurement range 2. Armature type 3. ac-ac vs. dc-dc 4. Environment ...
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Conversion Tool for Pressure, Force, Volume, Linear Dispacement and more...
Description: Here is a free tool to help you quickly convert pressure, torque, force, volume, temperature, linear displacement, acceleration and weight between different units of measurement. ...
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Dynamic Wire: Crimp Force Monitoring
Description: The process of manufacturing wire and termination assemblies used in automobile wiring harnesses involves crimping terminals on the ends of individual wires of various lengths. The quality of this ...
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Load cell use in aerospace ground and flight test applications
Description: The use of load cells is prevalent in many aerospace ground and flight test applications. In considering this technology, it is important to understand why load cells are an ideal choice for aerospace ...
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Model SC Tank Level Indicator System
Description: Tanks with internal components, such as a heat exchanger, stirring devices or curved or tapered bottoms often require special programs to indicate tank volume accurately. ...
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Pressure Transducers Used to Control Water Supply
Description: Over 90% of the available water supply in the western United States is generated by melting snow in the Rocky, Cascade and Sierra Nevada mountains. The ever-changing weather patterns and the public ...
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pH Control in Ethylene Quenching
Description: In the production of olefins, naphtha or natural gas feedstock is steam cracked at high temperatures in a cracking furnace. This sets off a variety of reactions which are brought to a halt by ...
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pH Control in Sour Water Stripping
Description: In petroleum refining, so called sour water (process water that contains dissolved hydrogen sulfide - H2S) is produced in various processes. Due to environmental legislation and the fact that H2S is ...
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Optical Level Switches (.pdf)
From: Comus InternationalDescription: An optical level switch works by emitting a beam of infrared light within a prism and measuring the amount of light received. When the measured fluid reaches the sensor the amount of emitted light ...
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Continuous Monitoring of the Calorific Value of Mixed Gaseous Fuels (.pdf)
Description: This white paper describes the measurement challenges involved in monitoring the energy of gaseous fuels. ...
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Decorated Paper Printing Case History (.pdf)
Description: This case history describes how one customer used PrevEx flammabiltiy analyzers to reduce ventilation air & fuel costs without affecting production rates or violating safety directives. ...