NEUTRAL-DENSITY GLASS STANDARDS (NDG-930)
- SRM 930 Series
- CRM 400 Series
- CA2M 703 Series
- CA2M 730 Series
- Third-Party Standards
Four (4) Calibration Model Options [Displayed in Order of Increasing Spectrophotometric Metrological Rigor, Calibration Measurement Assurance and Calibration Result Confidence]
Calibration Model |
Legacy [LCM] |
Advanced Level I [ACM-0] |
Advanced Level II [ACM-1] |
Advanced Level III [ACM-2] |
Traceability and Metrological Rigor |
One (1) Master SRM 930 Unit |
Two (2) Master SRM 930 Units |
Three (3) Master SRM 930 Units |
Three (3) Master SRM 930 Units |
Measurement Days* | One (1) AR One (1) AC |
One (1) AR Two (2) AC |
One (1) AR Three (3) AC |
One (1) AR Three (3) AC |
Measurement Day Stability Assessment | One (1) Day | Two (2) Days | Three (3) Days | Seven (7) Days |
*AR – As-Received Measurements (Before Cleaning)
*AC – After-Cleaning Measurements (Certification)
SPECTROPHOTOMETRIC METROLOGICAL RIGOR, CALIBRATION MEASUREMENT ASSURANCE AND CALIBRATION RESULT CONFIDENCE:
LOWEST LCM → ACM-0 → ACM-1→ ACM-2 HIGHEST