SCOPE OF ACCREDITATION TO ISO/IEC 17025:2005 & ANSI/NCSL Z

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1 SCOPE OF ACCREDITATION TO ISO/IEC 17025:2005 & ANSI/NCSL Z ACME SCALE COMPANY 1801 Adams Ave San Leandro, CA Barbara Byrd Phone: CALIBRATION Valid To: August 31, 2019 Certificate Number: In recognition of the successful completion of the A2LA evaluation process, accreditation is granted to this laboratory to perform the following calibrations 1 : I. Dimensional Parameter/Equipment Range CMC 2, 5 (±) Comments Linear Measurement 1D 3, 5 (0.25 to 6) in in % Caliper (6 to 24) in in % Steel rule II. Mechanical Parameter/Equipment Range CMC 2 (±) Comments Balances Class I and High Precision Scales mg Res mg Res. 0.1 mg Res. 1 mg Res. 2 mg Res. 5 mg Res. 1 mg to 50 g 1 mg to 0.2 kg 1 mg to 0.6 kg 1 mg to 1 kg 2 mg to 2 kg 5 mg to 5 kg mg mg 0.15 mg 0.88 mg 1.8 mg 4.4 mg weights and NIST Handbook 44 (A2LA Cert. No ) 08/10/2017 Page 1 of 6

2 Balances Class I and High Precision Scales 3 (cont) 10 mg Res. 20 mg Res. 50 mg Res. 100 mg Res. 10 mg to 10 kg 20 mg to 20 kg 50 mg to 50 kg 100 mg to 100 kg 8.8 mg 18 mg 44 mg 88 mg weights and NIST Handbook 44 Balances Class II High Precision Scales 3 10 mg Res. 20 mg Res. 50 mg Res. 100 mg Res. 200 mg Res. 500 mg Res mg Res mg Res mg Res mg Res. 10 mg to 1 kg 20 mg to 2 kg 50 mg to 5 kg 100 mg to 10 kg 200 mg to 20 kg 500 mg to 50 kg 1 g to 100 kg 2 g to 100 kg 5 g to 100 kg 10 g to 100 kg g g g g 0.17 g 0.41 g 0.83 g 1.6 g 4.1 g 8.2 g and Class 2 weights and NIST Handbook 44 Scales High Res. Unmarked lb Res lb Res lb Res lb Res lb Res lb Res lb Res lb Res lb Res lb Res lb Res. 0.1 lb Res. 0.2 lb Res. 0.5 lb Res. 1 lb Res. ( to 6) lb ( to 15) lb ( to 30) lb ( to 60) lb ( to 150) lb (0.001 to 300) lb (0.002 to 600) lb (0.005 to 1000) lb (0.01 to 2000) lb (0.02 to 3000) lb (0.05 to 5000) lb (0.1 to ) lb (0.2 to ) lb (0.5 to ) lb (1.0 to ) lb lb lb lb lb lb lb lb lb lb lb lb lb 0.24 lb 0.49 lb 0.91 lb NIST Class F weights and NIST Handbook 44 (A2LA Cert. No ) 08/10/2017 Page 2 of 6

3 Scales Industrial 3, lb Res lb Res lb Res lb Res lb Res lb Res lb Res lb Res. 0.1 lb Res. 0.2 lb Res. 0.5 lb Res. 1.0 lb Res. 2.0 lb Res. 5.0 lb Res lb Res lb Res lb Res lb Res. ( to 3) lb ( to 7.5) lb (0.001 to 15) lb (0.002 to 30) lb (0.005 to 75) lb (0.01 to 150) lb (0.02 to 300) lb (0.05 to 750) lb (0.1 to 1500) lb (0.2 to 3000) lb (0.5 to 5000) lb (1.0 to ) lb (2.0 to ) lb (5.0 to ) lb (10.0 to ) lb (10.0 to ) lb (20.0 to ) lb (20.0 to ) lb lb lb lb lb lb lb lb lb lb 0.17 lb 0.41 lb 0.83 lb 1.7 lb 4.1 lb 8.3 lb 13 lb 17 lb 26 lb NIST Class F weights and NIST Handbook 44 Weights Metric Class F 1 g 2 g 3 g 5 g 10 g 20 g 30 g 50 g 100 g 200 g 300 g 500 g 1 kg 2 kg 3 kg 4 kg 5 kg 10 kg 20 kg 25 kg 30 kg 0.27 mg 0.27 mg 0.29 mg 0.40mg 33 mg 33 mg 34 mg 35 mg 0.19 g weights and AP210s balance and GT 480 balance and PR5002 balance and SM 34K balance (A2LA Cert. No ) 08/10/2017 Page 3 of 6

4 Weights Avoirdupois Class F 1 oz ( g) 2 oz ( g) 4 oz ( g) 8 oz ( g) 0.05 lb ( kg) 0.1 lb ( kg) 0.2 lb ( kg) 0.3 lb ( kg) 0.5 lb ( kg) 1 lb ( kg) 2 lb ( kg) 3 lb ( kg) 5 lb ( kg) 10 lb ( kg) 20 lb ( kg) 25 lb ( kg) 50 lb ( kg) 1.1 mg 0.32 mg 0.45 mg 1.3 mg 0.55 mg 1.0 mg 1.5 mg 2.3 mg 33 mg 34 mg 0.19 g ASTM E617 Class 1 weights Force Measure with Weights 3 Tension and Compression ( to ) lbf Res. ( to 0.625) lbf Res. ( to 0.625) lbf Res. ( to 1.0) lbf Res. (0.001 to 5) lbf Res. (0.002 to 5) lbf Res. (0.005 to 5) lbf Res. (0.01 to 10) lbf Res. (0.01 to 10) lbf Res. (0.05 to 20) lbf Res. (0.1 to 50) lbf Res. (0 to 5) lbf (0 to 10) lbf (0 to 20) lbf (0 to 50) lbf (0 to 100) lbf (0 to 200) lbf (0 to 500) lbf (0 to 1000) lbf (0 to 2000) lbf (0 to 5000) lbf (0 to ) lbf lbf lbf lbf lbf lbf lbf lbf lbf lbf lbf 0.12 lbf ASTM E617 Class 6 weights NIST Class F weights (A2LA Cert. No ) 08/10/2017 Page 4 of 6

5 Force Measure with Calibrated Load Cells 3 Tension and Compression (0.001 to 0.01) N Res. (0.01 to 0.1) N Res. (0.01 to 0.1) N Res. (1 to 10) N Res. (1 to 10) N Res. (10 to 100) N Res. (10 to 100) N Res. (100) N Res. (50 to 100) N (50 to 100) N (100 to 1000) N (50 to 100) N (100 to 1000) N (1000 to 2000) N (2000 to 5000) N (50 to 1000) N (1000 to 5000) N (50 to 1000) N (1000 to 5000) N (1000 to 5000) N N N N N N 0.41 N 0.81 N 0.96 N 1.2 N 8.7 N 9.0 N 87 N Calibrated load cells III. Time and Frequency Parameter/Equipment Range CMC 2 (±) Comments Elapsed Time 3 (1 to 60) seconds (61 to 600) seconds 0.80 seconds 4.9 seconds Stopwatch 1 This laboratory offers commercial calibration and field calibration services. 2 Calibration and Measurement Capability Uncertainty (CMC) uncertainty 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 uncertainty due to the behavior of the customer s device and to influences from the circumstances of the specific calibration. 3 Field calibration service is available for this calibration and this laboratory meets A2LA R104 General Requirements: Accreditation of Field Testing and Field Calibration Laboratories 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 uncertainty 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. Res.) 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 uncertainty. 4 Industrial Scales include Bench Scales, Counting Scales, Portable Scales, Floor Scales, Crane/Hanging Scales, Tank and Hopper Scales, Forklift/Lift Truck Scales and Force Measurement Gauges and Test Stands. (A2LA Cert. No ) 08/10/2017 Page 5 of 6

6 5 In the statement of CMC, percentages are expressed as a percent of the total distance of the given distance test. (A2LA Cert. No ) 08/10/2017 Page 6 of 6

7 Accredited Laboratory A2LA has accredited ACME SCALE COMPANY San Leandro, CA for technical competence in the field of Calibration This laboratory is accredited in accordance with the recognized International Standard ISO/IEC 17025:2005 General requirements for the competence of testing and calibration laboratories. This laboratory also meets ANSI/NCSL Z and R205 Specific Requirements: Calibration Laboratory Accreditation Program. This accreditation demonstrates technical competence for a defined scope and the operation of a laboratory quality management system (refer to joint ISO-ILAC-IAF Communiqué dated 8 January 2009). Presented this 10 th day of August President and CEO For the Accreditation Council Certificate Number Valid to August 31, 2019 For the calibrations to which this accreditation applies, please refer to the laboratory s Calibration Scope of Accreditation.