How automated calibration can help service companies be more competitive

Service companies that perform calibrations for the process industries operate in a challenging environment. Not only is there a lot of competition, but contracts for customers are based on estimates, meaning that every additional hour of work directly affects the bottom line. Finding and retaining skilled calibration technicians is also a challenge. So, what can service companies do to make their quotations more accurate and ensure work is carried out as consistently and efficiently as possible? The answer is to…

3D snapshot sensor for 3D measurements and surface inspection of large objects

Large, diffuse reflecting objects of up to 650 x 495 mm are measured using the surfaceCONTROL 3D 2500 snapshot sensor. The sensor is based on the fringe light projection principle to perform geometrical 3D measurements and 3D shape detection, as well as surface inspections. It can be used both withi Source: Micro-epsilon…

Measurement performance of our new 10-inch VSM — read the app note

For researchers requiring higher applied magnetic fields than our 4- and 7-inch 8600 Series VSMs, we now offer a 10-inch electromagnet version (Model 8610). Providing fields as high as 3.6 T (>36 kOe), it is particularly ideal for characterizing permanent magnet materials, such as rare-earth NdFeB magnets, which typically require large fields to saturate and demagnetize the materials. Source: Lakeshore…

The way forward: hybrid networks powered by IBM Blockchain Services & CasperLabs at Davos 2022

The last few years have created a perfect storm of digitization and trust. Within the new Web3 partnership and ecosystem models coming to life now, powered by creator economy/token economy concepts, the full hope (promise) of the internet is on the horizon. Delivered in a digitally native experience (for or with a generation that won’t […]
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“How Accurate Are Your Temperature Measurements?”

In a recent issue of “The Monitor” Windmill Software discussed this important factor that everyone considering the use of thermocouple temperature sensors should know The full article is online at: https://www.windmill.co.uk/thermocouple-accuracy.html “There are many factors that limit the accuracy of…

Understanding Pressure Calibrator Accuracy Specifications

  Comparing the accuracy specifications of pressure calibrators can be a challenging task because different manufacturers specify accuracy in different ways. This means that you can’t simply compare the numbers given in the specification – you need to understand how these numbers are calculated and what they mean in practice. In this blog post, I look at the different ways pressure calibrator accuracy specifications are presented, explain what they mean, and compare them, as well as take a brief look…

Surging toward a data-driven supply chain: Why reinvention could happen sooner than you think

In a fog of war, trusted real-time data can boost global supply chain resiliency War in Europe is surfacing new supply chain concerns as global logistics and freight transportation providers cut service into and out of Russia and Ukraine. Global turmoil is expected, driving a blow to the automotive industry and disrupting shipment of critical […]
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The irony of the magnet system for Kibble balances—a review

The magnet system is an essential component of the Kibble balance, a device that is used to realize the unit of mass. It is the source of the magnetic flux, and its importance is captured in the geometric factor Bl . Ironically, the Bl factor cancels out and does not appear in the final Kibble equation. Nevertheless, care must be taken to design and build the magnet system because the cancellation is perfect only if the Bl is the same in…

Achievement of 0.005% combined transfer uncertainties in the NIST detector calibration facility

Improvements in a lamp-monochromator-based facility at the National Institute of Standards and Technology (NIST), the Visible near-infrared Spectral Comparator Facility (VisSCF) which is used to calibrate optical detectors for spectral radiant power responsivity from 300 nm to 1100 nm, are described. These changes include extending the VisSCF operational range down to 300 nm from 350 nm, thereby fully covering the ultraviolet-A (UVA) spectral region and partially covering the UVB range. These improvements have lowered the magnitudes of most of the components in the uncertainty budget…

Spectral irradiance scale realization and uncertainty analysis based on a 14 mm diameter WC–C fixed point blackbody from 250 nm to 2500 nm

Spectral irradiance scale in the wavelength range from 250 nm to 2500 nm was realized at National Institute of Metrology on the basis of a large area tungsten carbide–carbon (WC–C) high temperature fixed point blackbody, which is composed of a 14 mm diameter WC–C fixed point cell and a variable temperature blackbody BB3500MP as a furnace. A series of 1000 W FEL tungsten halogen lamps were used as transfer standards. The new spectral irradiance scale was compared with the scale based on a variable-temperature blackbody…