NQA Laboratory Services (Certificate #11553, Issued
1/11/05)
Scope of Accreditation to ISO/IEC 17025:1999
Roberts Metrology Services, LLC
12411 West Stark Street
Butler, WI 53007
Technical Contact: David Roberts
Phone (262) 781-8300
Calibration and service of CMM's, Linear Measuring
Devices, Optical Comparators, and Vision Machines
| Parameter |
Range/Method/Spec |
Best Uncertainty* |
| CMM Linear |
60"B89.41 |
Step Gage: .00025" |
| CMM Linear |
60" - 120" B89.41 |
Laser: .00028" |
| CMM Volume |
36" Bar B89.41 |
Ballbar: .00012" |
| CMM Repeat |
----- B89.41 |
Sphere: .00008" |
| CMM Direction |
----- B89.41 |
Gage Block: .00006" |
| OC Linear |
12" |
Glass Scale: .0002" |
| OC Magnify |
10x-100x |
Sphere/Scale: .00015"
|
Best Uncertainties represent expanded uncertainties
expressed at approximately 95% confidence level
using a coverage factor of k=2.
Scope
