Ideal-Tek S.A. offers a set of wireless smart tweezers useful for diagnostics and testing work - their ST-5S. A common question for this product is whether it ships pre-calibrated, and if so whether it comes with a manufacturer certificate proving this.
Per contact with Ideal-Tek, this product does indeed ship with a manufacturer calibration certificate in the box. The manufacturer also offers a calbiration service directly through their website for existing examples of this product in the field.