SIRCHIE? offers a full line of magnetic scales to facilitate evidence photography when ferrous surfaces such as file cabinets, desks and motor vehicles are involved. Magnetic scales are made of soft vinyl magnetic backing material. 2″ black on gray. Sold in packs of ten.
To ensure the accuracy of our forensic scales, Sirchie inspects, measures and verifies them using? three standard rulers that are calibrated annually by Precision Measurements Corporation.?Click here to see the Certificate of Calibration. This verification follows standards set forth by the National Institute of Standards and Technology. You can review the document Dimensional Review of Scales for Forensic Photography,?https://www.nist.gov/publications/dimensional-review-scales-forensic-photography.