Associated Scale

(A2LA Cert. No. 1585.01) Revised 8/16/2024 Page 2 of 2 Parameter/Equipment Range CMC2, 4 (±) Comments Scales3 – Class III and IIIL (cont) (501 to 1000) lb (1001 to 5000) lb (5001 to 10 000) lb (10 001 to 20 000) lb (20 001 to 30 000) lb (30 001 to 40 000) lb (40 001 to 50 000) lb (50 001 to 64 500) lb 0.051 lb + 0.6R 0.22 lb + 0.6R 0.51 lb + 0.6R 0.90 lb + 0.6R 1.3 lb + 0.6R 1.7 lb + 0.6R 2.6 lb + 0.6R 3.1 lb + 0.6R Class F weights By substitution using railway weights or scale test car ____________________________________________ 1 This laboratory offers commercial calibration service and field calibration service. 2 Calibration and Measurement Capability Uncertainty (CMC) is the smallest uncertainty of measurement that a laboratory can achieve within its scope of accreditation when performing more or less routine calibrations of nearly ideal measurement standards or nearly ideal measuring equipment. CMCs represent expanded uncertainties expressed at approximately the 95 % level of confidence, usually using a coverage factor of k = 2. The actual measurement uncertainty of a specific calibration performed by the laboratory may be greater than the CMC due to the behavi or of the customer’s device and to influences from the circumstances of the specific calibration. 3 Field calibration service is available for these calibrations. Please note the actual measurement uncertainties achievable on a customer's site can normally be expected to be larger than the CMC found on the A2LA Scope. Allowance must be made for aspects such as the environment at the place of calibration and for other possible adverse effects such as those caused by transportation of the calibration equipment. The usual allowance for the actual uncertainty introduced by the item being calibrated, (e.g. resolution) must also be considered and this, on its own, could result in the actual measurement uncertainty achievable on a customer’s site being larger than the CMC. 4 In the statement of CMC, R is the resolution of the device under test. 5 This scope meets A2LA’s P112 Flexible Scope Policy.