The Convergent Line Pair Gauge meets the requirements of ASTM E 2445-05, Section 5.1.3.
It is supplied with a Certificate of Conformity.
| Measurement No. | LP/mm | Line Profile Requirement | Requirement Achieved? |
| 1 | 2 | 5 Individual Peaks | Y |
| 2 | 3 | 5 Individual Peaks | Y |
| 3 | 4 | 5 Individual Peaks | Y |
| 4 | 5 | 5 Individual Peaks | Y |
| 5 | 10 | 5 Individual Peaks | Y |
| 6 | 20 | 5 Individual Peaks | Y |
