|
Measurement Comparison |
Nuclear |
Laser |
Contact |
Ultrasonic |
|
Corrects for fixture movement |
no |
no |
no |
yes |
|
Measure all material colors |
yes |
no |
yes |
yes |
|
Measure optically clear material |
yes |
no |
yes |
yes |
|
Measure shiny reflective surfaces |
yes |
no |
yes |
yes |
|
Measure non-reflective surfaces |
yes |
no |
yes |
yes |
|
Operate reliably in dirty environments |
yes |
no |
no |
yes |
|
Measure distance |
no |
yes |
yes |
yes |
|
Requires precise standoff |
yes |
no |
yes |
no |
|
Measure broad thickness/distance range |
no |
no |
no |
yes |
|
Large spot size |
no |
no |
no |
yes |
|
Fail safe features |
no |
no |
no |
yes |
|
Measure soft materials/surfaces |
yes |
yes |
no |
yes |
|
Ignore surface debris |
no |
no |
no |
yes |
|
Measure leading and trailing surfaces of
panel |
yes |
yes |
no |
yes |
|
Affects surface of material measured |
no |
no |
yes |
no |
|
Requires heads to retract |
no |
no |
yes |
no |
|
Affected by product vibration |
no |
no |
yes |
no |
|
Automatically detect if gages are incorrectly
operating |
no |
no |
no |
yes |
|
Scan in the cross machine direction |
yes |
yes |
no |
yes |
|
Requires hazard warnings |
yes |
yes |
no |
no |
|
Requires special regulations and permitting
to install |
yes |
no |
no |
no |
|
Requires expensive disposal |
yes |
no |
no |
no |
|
Customer can purchase individual gages and
components |
no |
yes |
yes |
yes |
|
Measure product thickness and distance |
no |
yes |
yes |
yes |
|
Full systems and system components available |
yes |
no |
yes |
yes |
|
Requires high contact pressure |
no |
no |
yes |
no |
|
Thickness measurement affected by density
variation |
yes |
no |
yes |
no |
|
Affected by background noise and radiation |
yes |
yes |
no |
no |
|
Gage software prompts if gage is misaligned
in collision |
no |
no |
no |
yes |
|
Requires long sampling time to reduce affect
of noise |
yes |
yes |
yes |
no |