Material testers just like any other equipment should be well maintained if they are to serve for a long time. A material tester is always calibrated the first time while still in the room where it is used. After a year or two, you cannot be confident on the measurements it gives and that means it time to calibrate it again.
Why you need to calibrate your material tester
The initial calibration to a material tester is usually performed by an accredited service technician from the manufacturer. At this time you are assured of accuracy. After a period of time, several factors affect the performance of the material and it may start to give inaccurate readings. This can greatly affect the quality of your work and in the end, affect our business. You can lose clients over inaccuracy and even earn yourself a bad reputation.
How often to calibrate your material tester
After the initial calibration, you are awarded a calibration certificate that is valid for one year. You should have your material tester calibrated after every one year to ensure it stays accurate. This takes care of small adjustments that may have taken place that lead to inaccurate readings. If left for long, the gaps for inaccuracies widens and this may pose a danger to the products you are working on. These incidents can sometimes lead to expensive lawsuits that you can easily avoid.
How calibration is done
Usually, when a material tester is being calibrated, it means that load cells reference points are checked for accuracy. A calibrated set of masses is used to perform this task. These should be done by a certified official who ensures the material tester is well adjusted to accuracy. A service technician places masses from the mass set to check if the measurement collaborates. If he notices that the readings are not accurate, then he adjusts the value in the load cell to match that on the mass.
Who can calibrate your material tester?
You should always use an accredited service technician to calibrate your material tester. There are independent companies who specialize in this field and you can hire their services. You can also use the manufacturer of the material tester. Using the manufacturer is more advantageous than using an independent company. One benefit of using the manufacturing company is that they already know the material tester very well and they are able to give total support solution. In the event that a spare needs to be changed, the manufacturer already has the needed parts.
There is no visible difference in calibration cost whether you choose to use an independent company or the manufacturing company. They both offer discounts especially if you have several material testers that need to be calibrated. It is better to go with the manufacturing company since they go the extra mile and offer to service the equipment at no extra charges. In these services, they ensure that they tighten belts and lubricate machine parts for optimal performance.
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