PER: BS 2704 (British Standards).
Beam profile of angle beam transducer.
2″ x 3″ x 12″. Contains two 1/16″ diameter x 7/8″ deep calibration holes on near side; two 1/16″ diameter x 7/8″ deep calibration holes on far side. Also contains five 1/16″ diameter resolution holes drilled 10 degree slope, far side only.
Case Not Included
Blocks are precision manufactured to tolerances well within the allowable limits of their respective codes. All blocks pass a comprehensive quality control inspection in accordance with ISO 9002 (formerly MIL I 45208 A), with instruments calibrated in accordance with ANSI/NCSL Z540 (formerly MIL C 45662A). All calibration blocks are serialized and certified to the National Institute of Standards and Technology.