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Using the Right Adapters is Critical

Aircraft and Truck scale calibration often requires special adapters to simulate a tire.   Scales come in a variety of sizes and have specific tolerances.   The problem is that not many calibration laboratories use the right adapters, or consider the impact of the uncertainty of the reference standard used for calibration.  It is quite annoying to find out your calibration provider did not calibrate your scales properly.



Hassle-Free Results

We will make sure we calibrate your equipment properly. Our calibration services are tailored and customized with you in mind. We will verify work instructions are clear and all equipment is in good working order. We will use adapters to simulate via calibration, how the equipment is being used. If applicable, we will replace batteries. We will do whatever we can do to help make your equipment work for you. 




Measurement Accuracy

If you need to certify something is within a  tolerance of 0.1 % of applied force, you should not use a standard with a 0.1 % accuracy. Measurement uncertainty must be taken into account and the further away from a NMI (National Metrology Institute) the larger the uncertainty will become. If the Uncertainty of the measurement is not less than the tolerance required, there will be significant risk.  If you need to get the most accurate measurement out of your scale, and want to minimize this risk, choose Morehouse for your calibration needs.


Morehouse aircraft and truck scale calibration service features:

 

·       Proper adapters to simulate the tire

·       Deadweight standards with uncertainties better than 0.002 % of applied

·       Secondary Standards known to within 2.5 lbf through 25,000 lbf, or 4.7 lbf through 60,000 lbf

·       Test Accuracy Ratio (TAR) better than 4:1

·       Uncertainties that are often at least 4 times greater than the tolerance of the scale

Calibration on Aircraft and Truck scales often consists of a 10 point calibration with points equally spaced across the loading range.  If instruments are submitted with a specified tolerance, Morehouse will apply a guardband per Method 5 of ANSI/NCSLI Z540.3 Handbook and report Probability of False Accept (PFA) when making a statement of conformity.   This allows compliance with section 7.8.6.1 of ISO/IEC 17025:2017.  Special calibration procedures can be performed following special requests and requirements.   General calibration of truck or aircraft scales is often done using special adapters that replicate the actual tire to replicate how the instrument is used.  Everything we do, we believe in changing how people think about force calibration. Morehouse believes in thinking differently about force calibration and equipment. We challenge the "just calibrate it" mentality by educating our customers on what matters, what causes significant errors, and focus on reducing them.   The failure to replicate use by simulating the tire will result in very high errors which could lead to higher risk and mass recalls.   We take great measures to calibrate truck and aircraft scales properly.