This category covers:
Instruments and devices used by engineers to determine the scope, quantity or extent of a particular item; to assess that it meets certain criteria; or investigate whether it is in proper working order. Includes environmental testing, vision, sound and vibration testing, position and proximity testing, force strain and speed testing, electrical testing, non-destructive testing and metrology systems.
Fischer has developed a portable, all-in-one corrosion module that applies, checks and maintains protective coatings in onshore and offshore applications. It measures all the critical success factors throughout the entire corrosion protection process — from surface preparation to measuring finished dry-film thickness.
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The PZHT accelerometer from Sensonics is a robust, hermetically sealed instrument suitable for operation in high-temperature, heavy industrial environments.
The FTB370 series of flow turbines from Omega Engineering is designed for the flow rate measurement of water and many water-based liquids.
The induSENSOR LDR series linear inductive displacement sensors from Micro-Epsilon have a short, compact design with a small diameter.
The PVS 10 is designed for identifying phases on live electrical power systems. It offers clear identification of the phasing in relation to a reference phase.
Linear Technology’s LTC5582 and dual-channel LTC5583 are said to offer excellent stable temperature performance (from -40°C to +85°C).
The Soliphant II FTM30(D/S)/31(D/S)/32(D/S) from Endress + Hauser is a universal vibration limit switch for silos containing powdered or fine-grained bulk solids.
Many processes in the fabrication of electronic devices use suspensions at one point or another. These show typical colloidal instabilities, which can be monitored using the Turbiscan LAB.
Anton Paar’s L-Dens 437 online density sensor provides highly accurate (up to ±0.07 per cent) concentration measurement of hydrogen peroxide.
The Abbemat range of refractometers from Anton Paar can be used to determine the concentration of sodium hydroxide solutions.
This technical handbook from Lee Products focuses on electro-fluidic systems, including solenoid valves, pumps, nozzles, mixers and more.
Induction is a process by which a magnetised or electrically charged object produces magnetism, an electric charge or an electro-motive force, in another object without being in contact with it. These processes are called magnetic induction when magnetism is produced, electrostatic induction when an electric charge is produced and electromagnetic induction when an electric voltage is produced. This article from Gill Research & Development discusses each of these.
There are many ways to measure the flow of liquids and gases. One of the newer technologies is ultrasonics, which is becoming more widespread in flowmeters. What benefits have encouraged the uptake in ultrasonics? This article from Gill Research and Development discusses the two principles for ultrasonic flow measurement: the Doppler effect and time of flight. The article also presents the benefits of using the latter principle.
Cultured dairy products, such as yoghurt, exhibit several physical properties that are important to consumers: firmness, creaminess, thickness or even heaviness or lightness. This article from Brookfield Engineering — whose products are distributed by Fullbrook Systems — compares two analytical test methods involving viscosity that effectively characterise these physical properties.
Drawing upon more than 40 years of experience, Trevor Foster — managing director of Titan Enterpises — offers sound, non-commercial advice on what to consider when selecting, implementing and maintaining a flowmeter system.
A general observation is that many powders, which exhibit only a small amount of compressibility (perhaps 10 per cent going from a loosely consolidated state to a consolidation pressure of 10kPa), will discharge from gravity feed hoppers with relative ease. A fair question to ask, according to Fullbrook Systems, is whether the density of a powder can be used to quantify or predict flowability.
The transdermal drug delivery system (TDDS) is the transport of therapeutic substances through the skin by means of diffusion in order to deliver the drug for its systemic effects at pre-determined and controlled rates. The TDDS consists of an outer impermeable membrane, a reservoir containing the drug (patch), a rate-limiting membrane and an adhesive frame. The adhesive frame helps maintain contact between the transdermal system and the skin surface when the patch is worn on the skin ...
Codes and markings, from best-before and lot dates to EAN or data-matrix barcodes to serial batch numbers and various unique identifiers, are there to ensure traceability and product safety, to protect consumers and to avoid counterfeiting. There are many different print techniques that manufacturers can choose, such as continuous inkjet, thermal transfer or laser coding. All of these techniques have their advantages and challenges.
Multi-degree-of-freedom (DoF) mechanisms are widely required in micro or macro manipulation fields as well as in optronics functions. Commonly available mechanisms may be divided into two main categories. The first is industrial robots (serial or parallel). These offer a large range of motion in rotation and translation. Their resolution is usually limited in the sub-millimetre range.