It is available in three models. B.S.D. Duplex Brass Reference Standard at No. difference 0.1. Resolution Grid either High or Medium. Test Specimen for Magnification Calibration. The Sample Holder is perfect for keeping all important SEM test specimens together.
All specimens can be individually and easily removed at any time for use.
The brass sample holder is 50mm diameter x 8mm thick and comes in MAC's standards presentation box. Duplex Brass Single Standard Used for checking the contrast efficiency. For measuring the current of the beam at the specimen plane. E.D. Test Standards Three standards of your choice for E.D. test set up of calibration center. Magnification Calibration Standard Used for magnification calibration and assessing image distortion.