Based on my observations this calibration certificate has really helped improve the accuracy of my force and speed testing. As someone who works in the Industrial and Scientific FIELD, having reliable measurements is crucial. The NIST traceable certificate provides certainty and confidence in the results, giving peace of mind when it comes to product quality.The only downside is the cost associated with obtaining the certificate, but the benefits definitely outweigh the expense. Overall, a great investment for those in need of trustworthy calibration results..