Calibration Instruments, Standards and Reference Sources Reference Materials

Description: What Is Permeation Calibration? ...

Description: The e-mobility device landscape in the United States - comprised primarily of e-bikes and e-scooters - is undergoing a significant expansion fueled by advances in lithium-ion batteries and the allure ...

Description: Counterfeit products pose many safety risks as they may be prone to failure and cause fires and explosions. Discover more about how to detect and mitigate the risk of counterfeit cells. (55 kB) ...

Description: Plain cylindrical gages include ring, plug and pin gages, plus discs. All tolerances are in accordance with the Gage Maker’s Tolerance chart (below). In general plug, disc and ring gages are ...

Description: Pratt & Whitney laser-based instruments determine displacement by multiplying laser interferometer counts times the nominal laser wavelength (standard temperature, pressure, and humidity) times a ...

Description: This frequency to wavelength calculator is especially useful for the calculation of the element length of the dipole antennas. ...

Description: The NDT Overview series serves as a primer to the major NDT methods and techniques covered in ASNT's publications. This introduction to phased array ultrasonic testing is adapted from the second ...

Description: LCR meters make taking L, C and R measurements very easy. However, if you want to be certain of the measurement that you have made, you must understand how an LCR meter operates and how the component ...

Description: This Application Guide discusses the need and procedure for using an anti-static control solution on sensitive analog meter movements such as the one found in the TEGAM AVM-2000 Nullmeter. Although ...

Description: To insure proper operation of an instrument with Kelvin Klips, a short (zero) verification should be part of your standard work practices. ...

Description: Application Note 106 describes a method of compensating the TEGAM Model 1750's measurement circuit to be able to measure inductive test samples by connecting a capacitor. ...

Description: This Application Guide describes the sources of input bias current on a high sensitivity instruments such as a null meter, the impact input bias current can have on measurements and how the user ...

Description: This Application Guide discusses the use of filtering to improve null measurements when noise on the signal source makes measurements difficult or introduces error. This note also helps the ...

Description: For the new user, the Application Guides provide a basic understanding of the fundamentals of measurement process that use Null Meters. For the experienced user, the Application Guides provide a ...

Description: This Application Guide discusses the problems encountered when comparing nulls, especially nulls made in the micro-volt and nano-volt regions, between two null meters ...

Description: This application note describes how a Microohmmeter with offset voltage compensation can assist a manufacturer or processor of electrical wire to measure wire gauge in real time and cost effectively ...

Description: This application note describes how a customer used the TEGAM Model 1750 High-Speed Programmable Microohmmeter to control the silver plating thickness of copper wire in real-time. ...

Description: This application note describes a measurement system developed by TEGAM and a customer to make high-accuracy, four-wire milliohm measurements of small-scale or microscopic components and material ...

Description: Precision measurements require accurate, reliable connections all the way to the device under test. TEGAM manufactures precision instrumentation that measures with parts per million accuracy. TEGAM ...

Description: The purpose of this Application Note is to describe how the unique features of TEGAM's Model 1750 High-Speed, Precise, Programmable Microohmmeter assist in testing large LCD panels ...

Description: The LCR meter provides a simple and accurate way to measure impedance at a specific frequency point. However, for components that are more than pure L, C or R, this is often inadequate to fully ...

Description: Ongoing quality assurance is important for any piece of measuring equipment. From a voltmeter to a spectrophotometer, calibration checks are needed to demonstrate that it is continuing to function ...

Description: Our compact and sophisticated high accuracy infrared LSP-HP linescanners are designed to produce advanced thermal imaging of moving processes and, importantly, deliver high-definition measurements at ...

Description: When using an RF Power Meter with an RF Power Sensor to make an RF Power Measurement the user must know that the measurement is accurate and there is traceability to a known standard. All diode, ...

Description: This app note describes the use of a TEGAM System IIA Power Sensor Calibration System (Figure 1) for SWR/Return Loss measurements. System IIA is a scalar measurement system whose principal function is ...

Description: Using an ergonomic torque arm makes a safer world through accuracy and precision ...

Description: When calibrating a click wrench it is recommended to follow ISO6789 International Standard requirements. The standard covers things such as calibration methods, design requirements, and tool types. ...

Description: There are different methods for testing the torque output of an electric screwdriver. Each method has a key purpose. The video above provides a brief overview of the different methods. ...

Description: This Tech Brief is brought to you by MDE Semiconductor, Inc. - your source for Surge Protection products. We value your feedback to enable us to supply better products and assist our customers to ...

Description: Solesphere™ microspherical silica gels enhance the surface smoothness and dispersibility of cosmetics and skincare products. They are manufactured by AGC Chemicals Americas, a wholly owned ...

Description: Henkel Corporation's cleaning, remachining, and reassembly products are critical parts used in the remanufacturing process to ensure that components conform to OEM specifications and meet or exceed ...

Description: What You Need to Know to Ensure a Reliable Threaded Assembly ...

Description: What Is CDC's Role in Food Safety? ...

Description: Following four simple steps at home-Clean, Separate, Cook, and Chill-can help protect you and your loved ones from food poisoning. ...

Description: The latest version of AMS2750 Pyrometry has just been released. Revision F is a complete rewrite so it pays to read it carefully to see how the changes may impact your operations. In the first ...

Description: find answers to the most common questions about O3D and industrial image processing. ...

Description: Learn the key benefits of conducting a routine torque verification process with your assembly tools. ...

Description: As with any form of quantitative analysis, proper calibration is key to success in gas chromatographic workflows. We will run through some of the steps to thorough gas chromatography calibration ...

Description: The U.S. Department of Education has chartered a five-year strategy to promote access to education in the fields of STEM (Science, Technology, Engineering and Math). They point out that professionals ...

Description: Gage (gauge) blocks are available in various grades, depending on their intended use. The grading criterion is tightness of tolerance on their sizes; thus higher grades are made to tighter tolerances ...

Description: National, Regional and International Standards (current as of August 17, 2017) ...

Description: The latest version of AMS2750 Pyrometry has just been released. Revision F is a complete rewrite so it pays to read it carefully to see how the changes may impact your operations. ...

Description: There are several brands and manufacturers of thermocouple temperature calibrators in the marketplace today. Like most instruments and devices, not all temperature calibrators are created equal. ...

Description: Synopsis When planning a production area, it pays dividends in the long term to plan the ergonomics of the operation and consult a health and safety inspector or ergonomic manager. Ensure both the ...

Description: Cpk measures two things: 1) how close the mean of the readings are to the center of the lower and upper spec limits; and 2) how widely spread the readings are ...

Description: Fixed and rotary-wing aircrafts are complex assemblies consisting of various electrical and mechanical components, which are all connected to form a sound mechanical structure. While mechanical ...

Description: There is often confusion about the dewpoint measurement range of chilled mirror hygrometers and their temperature depression range. ...

Description: Code compliance means using the entire code-not just a piece of it ...

Description: An ambitious new international research project seeks key wildfire answers ...

Description: How much electrical safety training do you need? More than you might think. ...

Description: Imane Fouaide works as a Field Application Engineer for ROHM Semiconductor Europe's French office in Paris. Within our interview, the 29-year old provides us with some insights about her career choice ...

Description: Did you know that you can use your thermocouple calibrator as a diagnostic tool to troubleshoot your temperature control circuit? ...

Description: Intrinsic Safety is the set of best practices, procedures and technology used to prevent unwanted and unnecessary explosive scenarios in the workplace. ...

Description: There are two basic laws in the world: gravity and entropy. Gravity makes things fall down and is the reason the aerospace industry exists. Entropy makes things fall apart and is the reason you have ...

Description: Temperature is such an important measurement in today’s complex process industry that many companies are now requiring routine validation of temperature measurements, as often as at the end of ...

Description: All bodies radiate energy to their surroundings proportional to their absolute temperature. Although the emitted radiation of a body includes all wavelengths, the region in which the amount of ...

Description: Frequently asked questions and answers regarding how to be environmentally conscious with hazardous substances, etc. ...

Description: Glossary terms regarding connectors, wire gauges, etc. ...

Description: Frequently asked questions and answers regarding technical references for AC voltage and current specifications ...

Description: Thermal management and heat transfer technology terms and definitions. ...

Description: How to Choose the Right Tooling Board for Your Job ...

Description: A lot happens in a day at the factory. Noise levels rise and fall. Temperatures climb and plummet. Shifting vibrations rattle and roll through the building and everything in it. Workers come and go, ...

Description: Of all the instrumental methods for measuring the water vapor content of gases, chilled mirror hygrometry (CMH) is one of the most useful owing to its inherent accuracy, unparalleled wide dynamic ...

Description: Dry-well calibrators are stable heat sources used in process and laboratory environments for calibration of temperature sensors. All heat sources introduce measurement errors as a result of their ...

Description: WHY DO WE CARE ABOUT BROMINE NUMBER AND BROMINE INDEX ANYWAY? The degree of unsaturated hydrogen carbide (Hydrocarbon) in oil and petroleum products is indicated by Bromine number or index. ...

Description: With two nationally recognized calibration standards in the industry, it can be confusing as to which one you really need for research or manufacturing/production requirements. ...

Description: To achieve your goals, you want to make your facility as efficient and productive as possible and know you are in control of costs. Accurate flow measurement is one great way to make this happen. But ...

Description: Standard Specification forPTFE Resin Skived Tape ...

Description: Solar Heating of Stack-Mounted Equipment ...

Description: Clean viscometers are essential for precise and accurate measurements. Because CANNON receives a significant number of requests for advice concerning proper cleaning methods, we offer the following ...

Description: Like just about everything, calculators are getting smaller, less clunky, and a whole lot smarter. ...

Description: Although sometimes when I'm on a long trip, the idea seems pretty appealing, I'm not quite ready for driverless cars. But as a car buff and an electronics engineer, I'm certainly interested in, and ...

Description: Not to be outdone by my friend and colleague Omar Rahim, who posted last week about what's happening with automotive technology - I am not quite a car buff, but I do have a couple of soft spots when ...

Description: On the Google end, this jumpstarts (and surpasses earlier less successful) efforts to get into the connected device world - and gives Google a gateway into the connected home. It will be very ...

Description: A few weeks ago, my friend and colleague Omar Rahim sent me a link to an interesting article by John Markoff which he saw in the The New York Times. The article was on a new chip that's slated for ...

Description: We often receive calls and emails asking about the best way to maintain our mixers and dilutors. There are several important things that you can do to keep your unit running in top shape. They will ...

Description: More and more, we are talking about trace level ambient monitoring. This monitoring is in line with the measurement objectives of NCORE which is part of the Ambient Monitoring Technology Information ...

Description: Typical EMC Related Formulas ...

Description: Earlier this year, I saw an excellent article by Jacob Beningo on EDN that provided a list of software tips for hardware engineers ...

Description: How after-sale services help ease the maintenance burden for water and wastewater treatment plants ...

Description: How Functional Safety can improve product reliability, reduce manufacturing downtime and expand your market. -By Scott Orlosky and Jean-Marc Hubsch, Sensata Technologies Engineers designing systems ...

Description: A toroidal conductivity sensor consists of two wire wound toroids encased in a plastic body. When an alternating voltage is applied to one of the toroids, it induces an ionic current in the solution ...

Description: Antenna: An antenna is a device that transmits and/or receives electromagnetic waves. Electromagnetic waves are often referred to as radio waves. Most antennas are resonant devices, which operate ...

Description: Conversion link - dBm is defined as power ratio in decibel (dB) referenced to one milliwatt (mW). It is an abbreviation for dB with respect to 1 mW and the "m" in dBm stands for milliwatt. ...

Description: Below is a calculation tool to help determining the actual field intensity or power density at a given distance ...

Description: Here is our easy to use conversion tables for common magnetic field measurement units. With magnetic field testing sometimes it becomes necessary to convert from one unit of measure to another. This ...

Description: Editor's Note: This post was originally published on April 25, 2012. Due to its popularity and continued questions on this issue, we updated the post on 2/2/2018. We often have engineers and ...

Description: The Isotope Hydrology Laboratory of the International Atomic Energy Agency (IAEA) recently organized a water isotope inter-comparison (WICO) for international laboratory performance assessment of ...

Description: Misinformation about WirelessHART networks prevails among many instrument engineers in the process industries. This article attempts to set the record straight by debunking 7 myths about these ...

Description: overview and commentary on the constraints of history and practice on the acoustic instruments that we use every day. (Perhaps this is just as well as the research for this paper has showed up some of ...

Description: One of the more important but least utilized aspects of rheology is normal force. It is well known that when a simple liquid such as water is stirred, inertia causes the sample to be displaced away ...

Description: Rheometry is a powerful and straightforward measuring technique that until recently has not seen widespread acceptance, particularly in industries handling materials that change their integrity over a ...

Description: Rheological characterization continues to gain importance in the development of novel materials across a wide variety of industries. Historically, rheological characterization required a significant ...

Description: An analysis was conducted to compare the operational characteristics of two different bench- top semi-automated viscometers - the Cannon SImpleVIS and the Spectro Q3000.  This analysis looked at three ...

Description: A method has been developed for following the dynamic mechanical properties of a UV-curable coating while the sample is curing. The resulting data and plots can be used to measure the material's cure ...

Description: Asphalt binders' behavior depends on temperature and time of loading. Unlike steel, which is considered a completely elastic material that can store energy indefinitely, asphalt binders cannot sustain ...

Description: Rheological properties of systems that undergo a curing process present a challenging and intriguing problem to measure accurately. Zhang et al.1 explain that this is due to several factors, including ...

Description: Dynamic oscillation is one of the most popular means to determine the viscoelastic response of materials. One of the features of the Stresstech HR is its ability to make measurements across a wide ...

Description: Many times experiments at high shear rates are required to characterize materials that undergo processing such as spraying, milling, coating and lubrication. The ability of a research rheometer to ...

Description: Polymeric materials in general are viscoelastic in nature because they exhibit strong depend- ence of deformation and flow on time and temperature. Molecular structures in polymeric materials undergo ...