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Top selling items bundled with free accessories. Featured Categories. For example, what if your job requires tight tolerances and accurate measurements? Can you afford to provide your client with potentially incorrect reports? What if you have inconsistent test results between your testers?
What happens in case of a dispute between you, your customer, and the cabling system vendor? Calibration is the testing of test equipment to ensure its accuracy. The primary goal of calibration is to test your Fluke Networks testing products for inconsistencies, and if necessary, make repairs or adjustments to correct them.
This way, you can prevent those inaccuracies from ever occurring. If your organization has implemented an ISO quality management system, you're required to calibrate any measuring equipment you use to verify or control quality.
Not only that, all such calibrations must be traceable to national or international standards. Calibration dates are also included on test reports, so if there's a dispute regarding your cable installation, and your reports show your tester was out of calibration, those reports will be worthless in arguing your position.
In addition, cabling and connecting hardware manufacturers issue multi-year product and application warranties based on audits of test data. To receive the warranty, you're required to collect this data using instruments with a valid calibration, and you must do testing in accordance with the manufacturer's specification and time scales.
Therefore, to receive payment for a job, you must successfully certify thousands of links. Your Fluke Networks tester is made up of stable components, including resistors, capacitors, and integrated circuits.
But like any other electronic product, the performance of these components changes over time. Even in a controlled environment, the circuits in your tester warm up and cool down as you turn it on and off throughout the product's life cycle. The circuit board can be contaminated by dust or other outside materials, or the components may be damaged if you accidentally drop the instrument on the floor, or if it bounces around inside your vehicle on the way to an installation job.
A faulty tester can cause havoc in various ways. For instance, if your certification test yields false passes of bad links, future users of that system could experience networking problems, traceable to the cable plant. Your client might bring legal action against your company based on the faulty links, and you'd be responsible for reworking and repairing them.
On the other hand, if the tester fails good links, your company will spend needless time and money fixing links that don't need to be repaired. A properly-calibrated instrument helps you avoid these issues, ensuring that your tester works as well as it did the first time you ever used it.
Fluke Networks has 13 authorized service centers throughout the world. Each of these laboratories has at least one copper calibration station, for calibration of copper testers. Additionally, seven of our authorized service centers can calibrate fiber testers.
These testing devices are called calibration artifacts. Each custom-made artifact is designed to test and calibrate a different measurement, such as NEXT and FEXT, insertion loss, return loss, attenuation, and resistance for all four pairs across a full range of relevant frequencies. Figure 1 - Copper calibration station. Seventeen custom designed artifacts are connected to the Versiv unit in sequence in order to calibrate it.
The automated wheel setup is used only in the factory in order to handle production volumes. Our fiber calibration stations are enclosed in a dust-reducing environment that includes High Efficiency Particulate Air HEPA filters and anti-static curtains. See Figure 2. Figure 2 - Fiber calibration station. Note the plastic around the station on the filtration system on top to reduce dust. Some of the commercially available products used are modified by Fluke Networks to meet our accuracy requirements.
A Fluke Networks authorized service center offers numerous advantages over a non-authorized testing laboratory. These include:. When you send a copper or fiber tester to a Fluke Networks authorized service center, we precisely calibrate your instrument to factory specifications, using a full range of proprietary test procedures and custom equipment.
A non-authorized laboratory does not have access to Fluke Networks' proprietary testing equipment and procedures. They may only calibrate basic measurements such as length or resistance, and may not test your products for accuracy across a complete range of frequencies. For example, they may only test your product at 10, , , and MHz, where a Fluke Networks authorized service center would test at hundreds of frequencies, from 10 through MHz.
Our calibration procedures and artifacts are based on Fluke Networks product designs, and on the mammoth amount of data we collect from calibrating tens of thousands of units over years of usage. We tailor our procedures to test for inaccuracies in places where they are most likely to occur in our products. A non-authorized testing lab will not have the same depth of knowledge, and may not know which combinations of measurements and frequencies to test, or which inaccuracies to look for, in Fluke Networks products.
The artifacts and equipment used for calibration must occasionally be calibrated themselves, to ensure that they will continue to accurately measure the performance of Fluke Networks testers according to national standards.
Every year, our authorized service centers send their artifacts back to the Fluke U. A non-authorized testing lab may not offer traceability to national standards, and therefore may not be able to provide certification for the accuracy of its measurements. Figure 3 - One of the seventeen copper calibration artifacts as used in our service centers. Encased in plastic shell for protection.
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