Schedule of Accreditation issued by United Kingdom Accreditation Service 2 Pine Trees, Chertsey Lane, Staines-upon-Thames, TW18 3HR, UK

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1 Schedule of ccreditation United Kingdom ccreditation Service Issue No: 028 Issue date: 10 pril 2018 ccredited to 6 Banner Park Wickmans Drive Coventry CV4 9X Contact: Keith rnold Tel: +44 (0) /317 Fax: +44 (0) enquiries@mitutoyo.co.uk Website: Laboratory locations: Calibration performed by the Organisations at the locations specified below s covered by the organisation and their relevant activities details ctivity code ddress 6 Banner Park Wickmans Drive Coventry CV4 9X Local contact Keith rnold Dimensional, Hardness Site activities performed away from the locations listed above: details ctivity code t customers premises Keith rnold Dimensional, Hardness B ssessment Manager: ST Page 1 of 8

2 Schedule of ccreditation United Kingdom ccreditation Service ccredited to Issue No: 028 Issue date: 10 pril 2018 DETIL OF CCREDITTION RNGE IN MILLIMETRES ND UNCERTINTY IN MICROMETRES UNLESS OTHERWISE STTED LENGTH Gauge Blocks Inch (Steel and Ceramic) Millimetre (Steel and Ceramic) BS : to 0.4 in. 0.4 to 1 in. Size 2 in 3 in 4 in BS EN ISO 3650: to to 25 Sizes 30, 40, 50 60, 70, 75 80, 90, 100 Class (See notes) C in Class C uncertainties apply to the measurement of length of steel and ceramic gauges by comparison with grade K standards of length of a similar material. Class C uncertainties apply to grade 0, 1 and 2 gauges to BS EN ISO 3650:1999 and BS : ll linear calibrations may be given in inch units. Gauge Block ccessories BS : to 12.5 Step Gauges (Check Masters Gauges) Length Gauges, Flat and Spherical-ended (excluding length bars) (1.0 x length in m) (5.0 x length in m) 2 The uncertainty quoted is for the departure from flatness, straightness, or squareness, it the distance separating the two parallel planes which just enclose the surface under consideration. Thread Measuring Cylinders BS 3777:1964 and BS 5590: to Plain Plug Gauges (parallel) cylindrical setting standards and rollers 1 to 50 diameter 50 to 100 diameter 100 to 150 diameter 150 to 200 diameter 200 to 300 diameter Plain Ring Gauges (parallel) and setting standards 2 to 10 diameter 10 to 25 diameter 25 to 50 diameter 50 to 100 diameter 100 to 150 diameter 150 to 200 diameter 200 to 300 diameter 1.0 on diameter Balls - Precision (Metal and Ceramic) 0 to 50 diameter 0.50 ssessment Manager: ST Page 2 of 8

3 Schedule of ccreditation United Kingdom ccreditation Service ccredited to Issue No: 028 Issue date: 10 pril 2018 RNGE IN MILLIMETRES ND UNCERTINTY IN MICROMETRES UNLESS OTHERWISE STTED LENGTH (cont d) Feeler Gauges BS 957:Part 1:1941 BS 957:Part 2: to Optical Parallels 0 to 50 diameter 0.30 (See Note 2) Parallels (Engineers) BS 906: to 50 x 10 x to 5.0 Vee Blocks s BS 3731: to to 5.0 NGLE Squares Blade type BS 939: to up to Cylindrical BS 939: to See Note 2 Right ngle and Box ngle Plates BS 5535: to 600 Squareness: + (1.0 per 100 mm) Parallelism: (1.0 per 100 mm) See Note 2 Sine Bars and Tables BS 3064: to 500 length Micrometers Linear dimensions: (10 x length in m) Overall performance: seconds of arc Micrometers External Internal Depth BS 870: to 600 BS 959: to 900 BS 6468: to 300 Heads: 2.0 Setting and extension rods (5.0 x length in m) Micrometers (indicating digital and electronic) (5.0 x length in m) Minimum 1.5 ssessment Manager: ST Page 3 of 8

4 Schedule of ccreditation United Kingdom ccreditation Service ccredited to Issue No: 028 Issue date: 10 pril 2018 RNGE IN MILLIMETRES ND UNCERTINTY IN MICROMETRES UNLESS OTHERWISE STTED NGLE (cont d) Height Setting Micrometers Heads: 1.2 between any two points Stepped column: 1.6 Overall performance: 2.0 Riser Blocks for bove Item Micrometer Heads BS 1734: to MESURING INSTRUMENTS ND MCHINES Performance verification of co-ordinate measuring BS EN ISO : to 2000 (largest diagonal using end standards) x length in metres, B Performance verification of co-ordinate measuring ISO :2009 and ISO : mm to 2000 mm (longest diagonal using end standards) x length in metres, B Performance verification of co-ordinate measuring BS EN ISO :2001 (CMMs with the axis of a rotary table as the fourth axis) Radius 150 mm to 400 mm FR, FT, F , B Performance verification of co-ordinate measuring BS EN ISO :2001 (CMMs used in scanning measuring mode) 25 mm reference sphere Tij Ʈ seconds, B Toolmakers Microscopes 0 to 150 x at screen, B Profile Projectors 10 to magnifications 125 at screen, B Vernier Caliper, Height and Depth Gauges BS 887:2008 BS 1643:2008 BS 6365: to 600 Overall performance 10 + (30 x length in m) ssessment Manager: ST Page 4 of 8

5 Schedule of ccreditation United Kingdom ccreditation Service ccredited to Issue No: 028 Issue date: 10 pril 2018 RNGE IN MILLIMETRES ND UNCERTINTY IN MICROMETRES UNLESS OTHERWISE STTED MESURING INSTRUMENTS ND MCHINES (cont d) Height gauges - (Simple) including vernier, dial and digital types s BS EN ISO 13225:2012 Length measurement error (E): 10 + (30 x length in metres) Calipers (digital and electronic) Height gauges (digital and electronic) 10 + (15 x length in m) 10 + (15 x length in m) Dial Gauges and Dial Test Indicators BS 907:2008 and BS 2795: to Bevel Protractors BS 1685: to minutes of arc Comparators (external) BS 1054:1975 up to 250 to magnifications 1% of range Minimum 0.20 Spirit Levels BS 3509:1962 and BS 958: seconds of arc to 60 minutes of arc nominal sensitivity Mean sensitivity 10% of nominal Minimum 0.50 seconds of arc Electronic indicating levels 0 to 20 minutes of arc 1.0 % of range Minimum 0.50 seconds of arc Gap Gauges 0.5 to to Bench Centres 0 to (10 x length in m) Rules - Steel BS 4372: to (10 x length in m) 10 + (10 x length in m) Scales - linear 0 to (10 x length in m) ssessment Manager: ST Page 5 of 8

6 Schedule of ccreditation United Kingdom ccreditation Service ccredited to Issue No: 028 Issue date: 10 pril 2018 RNGE IN MILLIMETRES ND UNCERTINTY IN MICROMETRES UNLESS OTHERWISE STTED FORM Surface Plates Granite and Cast Iron BS 817: x 100 to 2500 x (0.80 x diagonal in m) See Note 2, B Straightedges Cast Iron, Steel and Granite BS 5204:Part 1:1975 and BS 5204:Part 2: to (2.0 x length in m) See Note 2 Roundness External Internal BS 3730:Part 2: to 350 diameter 3 to 350 diameter 0.05 on radius Surface texture (excluding measurement standards and roughness comparison specimens) BS 1134:Part 1:1988 Ra 0.02 µm to 80 µm 7.0 % of measured value (0.010 m Ra minimum) HRDNESS TESTING MCHINES IN SERVICE Direct verification of Rockwell Hardness Testing Machines Rockwell scales:, B, C, D, E, F, G, H, K,N & T 0.12% force 0.3 µm 0.12 s The verification shall be BS EN ISO :2015, B Indirect verification of testing Rockwell Hardness Testing Machines Rockwell scales: HR Scale 80 to to to HR 0.22 HR HR The verification shall be BS EN ISO :2015,B HRBW Scale to to HRBW 0.88 HRBW 1.01 HRBW HRC Scale 60 to to to HRC 0.36 HRC 0.40 HRC HRD Scale 70 to to to HRD 0.29 HRD 0.31 HRD ssessment Manager: ST Page 6 of 8

7 Schedule of ccreditation United Kingdom ccreditation Service ccredited to Issue No: 028 Issue date: 10 pril 2018 HRDNESS TESTING MCHINES IN SERVICE (cont d) Indirect verification of testing Rockwell Hardness Testing Machines (cont d) Rockwell scales: (cont d) HREW Scale to to 87 HRFW Scale to to 69 HRGW Scale to to 39 HRHW Scale to to 79 HRKW Scale 70 30to69 10to29 HR45N Scale 67 to to to 49 HR45T Scale 50 to to to 39 HR30N Scale 77 to to to 59 HR30T Scale 57 to to to 49 HR15N Scale 90 to to to HREW 0.56 HREW 0.56 HREW 0.43 HRFW 0.43 HRFW 0.56 HRFW 0.34 HRGW 0.34 HRGW 0.78 HRGW 0.43 HRHW 0.43 HRHW HRHW 0.43 HRKW 0.43 HRKW 0.70 HRKW 0.24 HR45N 0.26 HR45N 0.46 HR45N 0.43 HR45T 0.43 HR45T 0.75 HR HR30N 0.31 HR30N 0.57 HR30N 0.42 HR30T 0.68 HR30T 0.91 HR30T 0.26 HR15N 0.26 HR15N 0.40 HR15N ssessment Manager: ST Page 7 of 8

8 Schedule of ccreditation United Kingdom ccreditation Service ccredited to Issue No: 028 Issue date: 10 pril 2018 HRDNESS TESTING MCHINES IN SERVICE (cont d) Indirect verification of testing Rockwell Hardness Testing Machines (cont d) Rockwell scales: (cont d) HR15T Scale 88 to to to HR15T 0.21 HR15T 0.37 HR15T Direct verification of Vickers hardness testing Vickers scales: HV 5 to HV % force 0.1 second time The verification shall be BS EN ISO 6507:2005, B Indirect verification of Vickers hardness testing Vickers scales: Indirect verification of Vickers hardness testing The verification shall be BS EN ISO 6507:2005, B HV HV HV HV 3.5 HV 6.3 HV HV HV HV HV 4.4 HV 9.3 HV HV HV HV HV 6.2 HV 11.0 HV HV HV HV HV 7.7 HV 14.9 HV HV5 200 HV5 400 HV HV 11.0 HV 19.7 HV Verification of indentation measuring equipment for Vickers hardness Vickers scales: HV 5 to HV 50 2 m The verification shall be BS EN ISO 6507:2005, B END ssessment Manager: ST Page 8 of 8

Schedule of Accreditation issued by United Kingdom Accreditation Service 2 Pine Trees, Chertsey Lane, Staines-upon-Thames, TW18 3HR, UK

Schedule of Accreditation issued by United Kingdom Accreditation Service 2 Pine Trees, Chertsey Lane, Staines-upon-Thames, TW18 3HR, UK Schedule of ccreditation United Kingdom ccreditation Service 2 Pine Trees, Chertsey Lane, Staines-upon-Thames, TW18 3HR, UK ccredited to Laboratory locations: Unit 9 G B Quality ssurance (Consultants)