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Imagine that you have one measurment tool,now this question arises :is this measurment tool accurate ?
or measurments defined a world governor.
Called compare measurement tools with global standres calibration that according to this comparison errors are appear.
calibrasion is't a long comparison and parmanet comparison .calibrasion has do in special period and time,baecuse except environmental factors other facrors like time elapsed,erosion and ... are influented on calibrasion.
All the devices that they measure various sizes and they are influential on function,need calibrasion.
1.determining the accuracy of measure that have been reas by the machines.
2.make sure from reports and function of machines
3.tracebility is a coal of calibrasion .means device can tracking outcomes to national standrds and then international standards.
If calibrasion is not carried out ,the universe will be insecure. every day in the universe very few operations are calibred.
For example when you use the one drug , this drug calibred else it is safe for us and for ourbody's and the loss of drug has reached the least value.
calibrasion has always been important for humans.but when the world grew more calibrasion become more important than before. a 100 years ago the first steps about calibrasion did in the australian.after the world war ii ,japan did things for calibrased devices.in 1996 england could build organizational as BCS for calibrasion at the national level.
1.encoding : at the first the measurment tools must be measured precise and set them the right ID.
2.classification : at the second round , after encoding measurment tools must sourt out these tools according to the pricie criteria like alternate period of calibrasion,calibrasion cost and difficulty.
3.specify error limit : in the next phase , non of the measurment tools give us any precise measurments and all of them have many errors that we must determine errors rate.
4.select calibration : at the fourth round,on of the most important steps is selection of the best calibrated.
5.run calibrasion : at this point we must found the percent of devices errors and we have to go standards and set the device and if the device has problem we have to send it to fix.
6.record calibrasion records : now record calibrasion records are very important for us.calibrasion records are one of the most important records wich confirms the health of the device,and that is an important documents to sell the device.
the devices constantly need calibrasion at the certain time interval. re-calibrating requires accuracy percent and device calibrated with respect to that instrument.if the accuracy percent of device is higher than the allowed limit in this time the probability of a fault occurring on the device will be lower.selection of accuracy percentage is quite arbitary and this is best way to choose between 85 to 90 percent.
1.device type and device brand
2.tipes and orders from the factory in the manual
3.system maintenance and repair system
4.time framed used
5.number of times used from the device
6.duration of device life
7.change in enviromental conditions
Ahan Pouya with more than a decade of best-selling experience, adheres to professional and ethical principles in the field of selling and buying at inside and outside the borders of Iran, helping you in the steel industry.
