Reference Plate for checking photometric accuracy
Column 1+2 empty – reference
Column 3+4 ND with 0.25 Abs
Column 5+6 ND with 0.5 Abs
Column 7+8 ND with 1.0 Abs
Column 9+10 ND with 1.5 Abs
Column 11+12 ND with 2.5 Abs
Standard Certification Absorption at 8 points: 405, 450, 490, 650 nm
Slit Width 1 nm
With DAkkS Certificate
Recertification Interval Recommended every 24 months
Made to order, available in 3-6 weeks
Product Specifications