- 30 mm x 5 mm Carbon Block
- Checks Detector and SEM Performance.
- Certified Standards For System Calibration.
Contains:
- Standards to check 1 Atomic number resolution.
- Faraday Cup to set probe current.
- Duplex Brass to check 0.1 Atomic number resolution
(your choice from our list of compound, pure metal, NBS, or BAS Standards).