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

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1 SCOPE OF ACCREDITATION TO ISO/IEC 17025:2005, ANSI/NCSL Z & ANSI/NCSL Z TRESCAL, INC. 735 Beta Dr. Cleveland, OH Tim Osborne Phone: ext. 225 CALIBRATION Valid To: August 31, 2016 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. Chemical Parameter/Equipment Range CMC 2 (±) Comments ph 3, 7 Measuring Equipment (4, 7, 10) units units Buffer solutions Electrolytic Conductivity 3 Measuring Equipment 10 µs/cm 100 µs/cm 1000 µs/cm µs/cm 0.41 µs/cm 1.1 µs/cm 5.3 µs/cm 49 µs/cm Conductivity solutions II. Dimensional Parameter/Equipment Range CMC 2 (±) Comments Angle 3 Measuring Equipment Up to Angle encoder, cylinder square Angle 3 0 to Gage blocks, sine bar and electronic level (A2LA Cert. No ) Revised 05/31/2016 Page 1 of 24

2 Parameter/Equipment Range CMC 2, 4, 5 (±) Comments Calipers 3 Up to 72 in (2.7L + 5.1) µin Gage blocks Flatness 3 Up to 4 in diameter 5.6 µin Optical flats Gage Blocks (0.018 to 1) in (1 to 4) in (4 to 12) in (12 to 20) in 5.9 µin (4.5L + 2.2) µin (1.4L + 21) µin (2L + 82) µin Gage blocks and USM, 130B-24, LMM Height Gages 3 Up to 48 in (2.7L µin) Gage blocks Indicators 3 Up to 6 in (2.7L µin) Gage blocks Length Standards 3, Foils & Thickness Gauges Up to 11 in (11 to 40) in (1.4L + 21) µin (2L + 30) µin Gage blocks and USM, height gages Linear Displacement 3 Measuring Equipment Up to 24 in (1 to 50) ft (60L ) µin % in Mitutoyo Starrett CME Micrometers 3 Up to 72 in (2.7L + 5.1) µin Gage blocks Optical Comparators 3 Comparison to master Linear Travel Up to 30 in (3L + 130) μin Scales Magnification 10x to 100x 0.17 % Magnification checker and spheres Plain Diameter Internal (0.125 to 11) in (11 to 40) in (3D + 28) µin (2L + 82) µin Master rings and USM LMM External Up to 11 in (11 to 40) in (3D + 28) µin (2L + 82) µin Gage blocks and USM LMM (A2LA Cert. No ) Revised 05/31/2016 Page 2 of 24

3 Parameter/Equipment Range CMC 2, 4 (±) Comments Plain Diameter 3 External Up to 1 in 31 µin Zygo 1202B Steel Rules and Tapes 3 (1 to 50) ft in Optical comparators w/ line scales Surface Plate (4 to 16) ft diagonal (7.5Di + 70) µin Electronic leveling Flatness 3 system; Di is the diagonal length in ft Straight Threads 3 Functional Fit (0.1 to 4) in 400 µin Thread setting gages Threaded Plug Gages Simple Pitch Diameter, (4 to 80 TPI) (0.1 to 8) in (8 to 40) in (2D + 77) µin (2L + 82) µin Gage blocks with thread wires and USM LMM III. Dimensional Testing Parameter/Equipment Range CMC 2, 5, 8 (±) Comments Length 1D Up to 8 in 0.06 % µin Optical Comparator 2D UP to 8 in x 4 in % µin (A2LA Cert. No ) Revised 05/31/2016 Page 3 of 24

4 IV. Electrical DC/Low Frequency: Calibrators, Capacitors, Clamps, Data Acquisition, Mulimeters, Oscilloscopes, Power Supplies, Probes, Shunts, Recorders, Resistors, RTDs, Thermocouples, Transformers Parameter/Equipment Range CMC 2, 6 (±) Comments DC Voltage 3, 7 (0 to 7) mv 60 µv/v µv Agilent 34420A (7 to 100) mv (0.1 to 1) V (1 to 10) V (10 to 100) V (100 to 1000) V 5.0 µv/v µv 4.6 µv/v µv 4.2 µv/v µv 6.2 µv/v + 37 µv 6.2 µv/v mv Agilent 3458A opt 002 DC Voltage 3, 7 Generate (0 to 220) mv (0.22 to 2.2) V (2.2 to 11) V (11 to 22) V (22 to 220) V (220 to 1100) V 6.8 µv/v µv 3.7 µv/v µv 2.8 µv/v µv 2.8 µv/v µv 3.7 µv/v + 48 µv 4.6 µv/v mv Fluke 5720A w/ 5725A DC Voltage Generate, Fixed Points 100 mv 1 V 10 V 100 V 1000 V 2.5 µv/v 2.5 µv/v 2.1 µv/v 2.6 µv/v 3.6 µv/v Fluke 732B/752A DC High Voltage 3 (1 to 60) kv 0.13 % Ross divider and DVM Generate (1 to 40) kv 0.13 % (A2LA Cert. No ) Revised 05/31/2016 Page 4 of 24

5 Parameter/Equipment Range CMC 2, 5, 6 (±) Comments DC Current 3, 7 Generate 0.1 na to 220 µa (0.22 to 2.2) ma (2.2 to 22) ma (22 to 220) ma (0.22 to 2.2) A (2.2 to 11) A 35 µa/a + 6 na 31 µa/a + 7 na 30 µa/a + 41 na 41 µa/a µa 77 µa/a + 12 µa % ma Fluke 5720A w/ 5725A (11 to 20.5) A 0.10 % ma Fluke 5520A (10 to 300) A 76 µa/a Agilent 3458A w/ Fluke 5520A & Rubicon shunt (100 to 1000) A (100 to 1200) A 0.59 % A 0.06 % Fluke 5500A/coil Sorensen DCR & Empro shunt DC Current 3, 7 Up to 100 µa (0.1 to 1) ma (1 to 10) ma (10 to 100) ma (0.1 to 1) A 17 µa/a na 17 µa/a + 5 na 17 µa/a + 50 na 31 µa/a µa % + 10 µa Agilent 3458A opt 002 (1 to 10) A (10 to 100) A (30 to 300) A (300 to 1200) A 0.31 ma 33 µa/a % 0.05 % w/ L&N 4222 w/ L&N 4361 w/ L&N 4363 w/ RAM shunt (A2LA Cert. No ) Revised 05/31/2016 Page 5 of 24

6 Parameter/Equipment Range CMC 2, 5, 6 (±) Comments DC Resistance 3, 7 Generate, Fixed Points 0 Ω 1 Ω 1.9 Ω 10 Ω 19 Ω 100 Ω 190 Ω 1 kω 1.9 kω 10 kω 19 kω 100 kω 190 kω 1 MΩ 1.9 MΩ 10 MΩ 19 MΩ 100 MΩ 40 µω 80 µω 0.15 mω 0.21 mω 0.40 mω 0.9 mω 4.0 mω 7.5 mω 14 mω 0.08 Ω 0.14 Ω 0.9 Ω 1.7 Ω 15 Ω 30 Ω 0.31 kω 0.74 kω 9.5 kω Fluke 5720A 1 GΩ 10 GΩ 100 GΩ 1 TΩ 0.11 % 62 MΩ 1.2 GΩ 2.3 GΩ Standard resistors DC Resistance 7 Generate, Fixed Values Ω 0.01 Ω 0.1 Ω 90 µω/ω 94 µω/ω 84 µω/ω L&N 4015-B (1, 1.9, 10, 100) Ω (1 kω, 10 kω) 19 kω 100 kω 1 MΩ 10 MΩ 19 MΩ 2.5 µω/ω 3.2 µω/ω 5.0 µω/ω 5.6 µω/ω 11 µω/ω 30 µω/ω 41 µω/ω Fluke 742A series fixed resistors (A2LA Cert. No ) Revised 05/31/2016 Page 6 of 24

7 Parameter/Equipment Range CMC 2, 5, 6 (±) Comments Resistance 3, 7 Generate Up to Ω (11 to ) Ω (33 to ) Ω (110 to ) Ω 330 Ω to kω (1.1 to ) kω (3.3 to ) kω (11 to ) kω (33 to ) kω (110 to ) kω 40 µω/ω mω 30 µω/ω mω 28 µω/ω mω 28 µω/ω mω 28 µω/ω mω 28 µω/ω + 20 mω 28 µω/ω + 20 mω 28 µω/ω Ω 28 µω/ω Ω 32 µω/ω Ω Fluke 5520A, 4-wire 330 kω to MΩ (1.1 to ) MΩ (3.3 to ) MΩ (11 to ) MΩ (33 to ) MΩ (110 to ) MΩ (330 to 1100) MΩ 32 µω/ω Ω 60 µω/ω + 30 Ω % + 50 Ω % kω % kω 0.30 % MΩ 1.5 % MΩ Fluke 5520A, 2-wire Resistance 7 (0.1 to 1) Ω (1 to 1.9) Ω (1.9 to 10) Ω (10 to 100) Ω (0.1 to 1) kω (1 to 10) kω (10 to 19) kω (19 to 100) kω (0.1 to 1) MΩ (1 to 10) MΩ (10 to 19) MΩ (19 to 100) MΩ 60 µω/ω 16 µω/ω 13 µω/ω 14 µω/ω 14 µω/ω 4.8 µω/ω 4.8 µω/ω 4.9 µω/ω 7.3 µω/ω 10 µω/ω 13 µω/ω 20 µω/ω Fluke 5700A, Agilent 3458A and 742A series resistors Resistance 3, 7 (0 to 1) Ω (1 to 10) Ω (10 to 100) Ω (100 to 1000) Ω (1 to 10) kω (10 to 100) kω (100 to 1000) kω (1 to 10) MΩ (10 to 100) MΩ (0.1 to 1) GΩ 82 μω/ω μω 17 μω/ω + 58 μω 12 μω/ω mω 9.4 μω/ω mω 9.5 μω/ω mω 9.7 μω/ω + 58 mω 15 μω/ω Ω 58 μω/ω kω % kω 0.6 % + 12 kω Agilent 34420A, Agilent 3458A (A2LA Cert. No ) Revised 05/31/2016 Page 7 of 24

8 Parameter/Range Frequency CMC 2, 5, 6 (±) Comments AC Voltage 3, 7 Generate Up to 2.2 mv (20 to 40) Hz 40 Hz to 20 khz (100 to 300) khz (300 to 500) khz (0.5 to 1) MHz (1 to 10) MHz (10 to 20) MHz (20 to 30) MHz % + 4 µv % + 4 µv % + 4 µv % + 4 µv % + 5 µv 0.09 % + 10 µv 0.12 % + 20 µv 0.25 % + 20 µv 0.30 % µv 0.50 % µv 1.5 % µv Fluke 5720A (2.2 to 22) mv (20 to 40) Hz 40 Hz to 20 khz (100 to 300) khz (300 to 500) khz (0.5 to 1) MHz (1 to 10) MHz (10 to 20) MHz (20 to 30) MHz % + 4 µv % + 4 µv % + 4 µv % + 4 µv % + 5 µv % + 10 µv 0.12 % + 20 µv 0.25 % + 20 µv 0.20 % µv 0.40 % µv 1.0 % µv (22 to 220) mv (0.22 to 2.2) V (20 to 40) Hz 40 Hz to 20 khz (100 to 300) khz (300 to 500) khz (0.5 to 1) MHz (1 to 10) MHz (10 to 20) MHz (20 to 30) MHz (20 to 40) Hz 40 Hz to 20 khz (100 to 300) khz (300 to 500) khz (0.5 to 1) MHz (1 to 10) MHz (10 to 20) MHz (20 to 30) MHz % + 12 µv % + 7 µv % + 7 µv % + 7 µv % + 17 µv % + 20 µv 0.12 % + 25 µv 0.25 % + 45 µv 0.20 % µv 0.40 % µv 1.0 % µv % + 40 µv % + 15 µv % µv % + 10 µv % + 30 µv % + 80 µv % mv 0.15 % mv 0.20 % µv 0.40 % µv 1.0 % µv (A2LA Cert. No ) Revised 05/31/2016 Page 8 of 24

9 Parameter/Range Frequency CMC 2, 5, 6 (±) Comments AC Voltage 3, 7 Generate (cont) (2.2 to 22) V (20 to 40) Hz 40 Hz to 20 khz (100 to 300) khz (300 to 500) khz (0.5 to 1) MHz % mv % mv % mv % mv % mv % mv % mv 0.13 % mv Fluke 5720A (22 to 220) V* (20 to 40) Hz 40 Hz to 20 khz (100 to 300) khz (300 to 500) khz (0.5 to 1) MHz % mv % mv % mv % mv % mv % + 16 mv 0.42 % + 40 mv 0.70 % + 80 mv *220 V range subject to 2.2E7 V-Hz limitation (220 to 1100) V (15 to 50) Hz 50 Hz to 1 khz % + 16 mv % mv w/ Fluke 5725A (220 to 750) V (1 to 20) khz (20 to 30) khz (30 to 50) khz % mv % + 11 mv % + 11 mv 0.13 % + 45 mv w/ Fluke 5725A AC Voltage 3, 8 (0.1 to 10) mv (1 to 40) Hz 40 Hz to 1 khz (1 to 20) khz (100 to 300) khz % µv % µv % µv 0.10 % µv 0.50 % µv 4.0 % µv Agilent 3458A opt 002 (10 to 100) mv (1 to 40) Hz 40 Hz to 1 khz (1 to 20) khz (100 to 300) khz (0.3 to 1) MHz (1 to 2) MHz % + 10 µv % + 2 µv % + 2 µv % + 2 µv % + 2 µv 0.30 % + 10 µv 1.0 % + 10 µv 1.5 % + 10 µv (A2LA Cert. No ) Revised 05/31/2016 Page 9 of 24

10 Parameter/Range Frequency CMC 2, 5, 6 (±) Comments AC Voltage 3, 7 (cont) 100 mv to 1V (1 to 40) Hz 40 Hz to 1 khz (1 to 20) khz (100 to 300) khz (0.3 to 1) MHz (1 to 2) MHz % + 40 µv % + 20 µv % + 20 µv % + 20 µv % + 20 µv 0.30 % mv 1.0 % mv 1.5 % mv Agilent 3458A opt 002 (1 to 10) V (1 to 40) Hz 40 Hz to 1 khz (1 to 20) khz (100 to 300) khz (0.3 to 1) MHz (1 to 2) MHz % mv % mv % mv % mv % mv 0.30 % mv 1.0 % mv 1.5 % mv (10 to 100) V (1 to 40) Hz 40 Hz to 1 khz (1 to 20) khz (100 to 300) khz (0.3 to 1) MHz 0.02 % mv 0.02 % mv 0.02 % mv 0.04 % mv 0.12 % mv 0.40 % + 10 mv 1.5 % + 10 mv (100 to 707) V (1 to 40) Hz 40 Hz to 1 khz (1 to 20) khz 0.04 % + 40 mv 0.04 % + 20 mv 0.06 % + 20 mv 0.12 % + 20 mv 0.30 % + 20 mv AC High Voltage 3, V to 42 kv 60 Hz 0.30 % Ross divider and DVM (A2LA Cert. No ) Revised 05/31/2016 Page 10 of 24

11 Parameter/Range Frequency CMC 2, 5, 6 (±) Comments AC Current 3, 7 Generate Up to 220 µa (20 to 40) Hz 40 Hz to 1 khz (1 to 5) khz (5 to 10) khz (10 to 30) khz % + 16 na % + 10 na % na % + 12 na % + 65 na 1.6 % µa Fluke 5720A w/ 5725A Fluke 5520A (0.22 to 2.2) ma (20 to 40) Hz 40 Hz to 1 khz (1 to 5) khz (5 to 10) khz (10 to 30) khz % + 41 na % + 36 na % + 36 na % µa % µa 1.0 % µa Fluke 5720A w/ 5725A Fluke 5520A (2.2 to 22) ma (20 to 40) Hz 40 Hz to 1 khz (1 to 5) khz (5 to 10) khz (10 to 30) khz % µa % µa % µa % µa % µa 0.40 % µa Fluke 5720A w/ 5725A Fluke 5520A (22 to 220) ma (20 to 40) Hz 40 Hz to 1 khz (1 to 5) khz (5 to 10) khz (10 to 30) khz % µa % µa % µa % µa % + 10 µa 0.40 % ma Fluke 5720A w/ 5725A Fluke 5520A (0.22 to 2.2) A 20 Hz to 1 khz (1 to 5) khz (5 to 10) khz % + 36 µa % + 80 µa 0.60 % ma Fluke 5720A w/ 5725A (2.2 to 11) A 40 Hz to 1 khz (1 to 5) khz (5 to 10) khz % ma % ma 0.33 % ma Fluke 5720A w/ 5725A (11 to 20.5) A (45 to 100) Hz 100 Hz to 1 khz (1 to 5) khz 0.12 % ma 0.15 % ma 3.0 % ma Fluke 5520A (16.5 to 150) A (45 to 65) Hz (65 to 440) Hz 0.38 % A 1.0 % A w/ Fluke 5500A coil (150 to 1025) A (45 to 65) Hz (65 to 440) Hz 1.0 % A 1.0 % A (A2LA Cert. No ) Revised 05/31/2016 Page 11 of 24

12 Parameter/Range Frequency CMC 2, 4, 5, 6 (±) Comments AC Current 3, 7 (5 to 100) µa (20 to 45) Hz 45 Hz to 1 khz 0.46 % µa 0.18 % µa 0.07 % µa Agilent 3458A (0.1 to 100) ma (20 to 45) Hz (45 to 100) Hz (0.1 to 5) khz 0.46 % % 0.18 % % 0.07 % % % % (0.1 to 1) A (20 to 45) Hz (45 to 100) Hz (0.1 to 5) khz 0.46 % ma 0.19 % ma % ma 0.12 % ma 100 ma to 20 A Up to 1 khz (1 to 5) khz % %*F 0.041% %*F w/ Fluke Y5020 shunt AC Resistance 3, 7 Generate, Fixed Points 0.1 Ω 100 Hz 1 khz 0.15 % 0.14 % Agilent 16074A AC resistance standards 1 Ω 100 Hz 1 khz % % 10 Ω 100 Hz to 13 MHz % 100 Ω 5 Hz 10 Hz 50 Hz to 1 MHz 5 MHz 10 MHz 13 MHz 0.28 % 0.13 % % 0.21 % 0.44 % 0.57 % (A2LA Cert. No ) Revised 05/31/2016 Page 12 of 24

13 Parameter/Range Frequency CMC 2, 5 (±) Comments AC Resistance 3, 7 Generate, Fixed Points (cont) 1 kω 5 Hz 10 Hz 50 Hz to 1 MHz 5 MHz 10 MHz 13 MHz 0.6 % 0.26 % % 0.24 % 0.57 % 0.74 % Agilent 16074A AC resistance standards 10 kω 5 Hz 10 Hz 50 Hz to 1 MHz 0.56 % 0.19 % % 100 kω 5 Hz 10 Hz 50 Hz to 100 khz 0.43 % 0.32 % 0.07 % Capacitance 3, 7 Generate, Fixed Points 1 pf 10 pf 100 pf 1000 pf (10, 100, 1000) nf 1 khz to 13 MHz 1 khz to 13 MHz 1 khz to 13 MHz 1 khz to 13 MHz 120 Hz to 100 khz 0.37 % 0.04 % 0.07 % 0.33 % 0.01 % Standard capacitors Capacitance 3, 7 Generate, Fixed Points 100 pf to 1.1 µf 1 khz 0.03 % GenRad 1423-A capacitance decade Capacitance 3, 7 50 pf to 1 µf 120 Hz, 1 khz 0.24 % pf GenRad 1657 RLC Digibridge Inductance 3, 7 10 µh to 10 H 120 Hz, 1 khz 0.25 % GenRad 1657 RLC Digibridge (A2LA Cert. No ) Revised 05/31/2016 Page 13 of 24

14 Parameter/Range Frequency CMC 2, 5 (±) Comments Inductance 3, 7 Generate, Fixed Points 100 µh 1 mh 10 mh 100 mh 1 H 10 H 400 Hz, 1 khz 1.2 % 0.13 % % % 0.24 % 1.4 % Standard inductors Parameter/Equipment Range CMC 2 (±) Comments Thermocouple 3, 7 Indicating Systems & Type B (600 to 800) C (800 to 1550) C (1550 to 1820) C 0.35 C 0.28 C 0.22 C Fluke 5520A Type C (0 to 1000) C (1000 to 1800) C (1800 to 2000) C (2000 to 2316) C 0.16 C 0.23 C 0.26 C 0.35 C Type E (-250 to -200) C (-200 to -100) C (-100 to 0) C (0 to 600) C (600 to 1000) C 0.25 C 0.12 C 0.09 C 0.08 C 0.1 C Type J (-210 to -100) C (-100 to 800) C (800 to 1200) C 0.14 C 0.09 C 0.1 C Type K (-250 to -200) C (-200 to -100) C (-100 to 500) C (500 to 800) C (800 to 1372) C 0.46 C 0.16 C 0.1 C 0.1 C 0.13 C Type L (-200 to -100) C (-100 to 900) C 0.1 C 0.09 C (A2LA Cert. No ) Revised 05/31/2016 Page 14 of 24

15 Parameter/Equipment Range CMC 2 (±) Comments Thermocouple 3, 7 Indicating Systems & (cont) Type N (-250 to -200) C (-200 to -100) C (-100 to 0) C (0 to 100) C (100 to 800) C (800 to 1300) C 0.73 C 0.23 C 0.12 C 0.11 C 0.1 C 0.12 C Fluke 7526A Type R (50 to -25) C (-25 to 0) C (0 to 100) C (100 to 400) C (400 to 600) C (600 to 1000) C (1000 to 1600) C (1600 to 1767) C 0.55 C 0.45 C 0.39 C 0.28 C 0.22 C 0.21 C 0.19 C 0.23 C Type S (-50 to -25) C (-25 to 0) C (0 to 100) C (100 to 400) C (400 to 600) C (600 to 1000) C (1000 to 1600) C (1600 to 1767) C 0.51 C 0.43 C 0.38 C 0.29 C 0.23 C 0.22 C 0.22 C 0.26 C Type T (-250 to -200) C (-200 to -100) C (-100 to 0) C (0 to 200) C (200 to 400) C 0.35 C 0.16 C 0.11 C 0.09 C 0.09 C Type U (-200 to 0) C (0 to 200) C (200 to 600) C 0.16 C 0.1 C 0.1 C (A2LA Cert. No ) Revised 05/31/2016 Page 15 of 24

16 Parameter/Equipment Range CMC 2 (±) Comments Electrical Calibration of RTDs 3, 7 Indicating Systems & Pt 385, 100 Ω (-200 to 0) C (0 to 100) C (100 to 300) C (300 to 400) C (400 to 630) C (630 to 800) C C 0.02 C C C C C Fluke 7526A Pt 3926, 100 Ω (-200 to -80) C (-80 to 0) C (0 to 100) C (100 to 300) C (300 to 400) C (400 to 630) C C C C C C C Pt 3916, 100 Ω (-200 to -190) C (-190 to -80) C (-80 to 0) C (0 to 100) C (100 to 300) C (300 to 400) C (400 to 600) C (600 to 630) C 0.01 C C C C C C C C Pt 385, 200 Ω (-200 to -80) C (-80 to 0) C (0 to 100) C (100 to 260) C (260 to 300) C (300 to 400) C (400 to 630) C C C 0.06 C 0.06 C C C C Pt 385, 500 Ω (-200 to -0) C (0 to 100) C (100 to 300) C (300 to 400) C (400 to 630) C C C C C C (A2LA Cert. No ) Revised 05/31/2016 Page 16 of 24

17 Parameter/Equipment Range CMC 2 (±) Comments Electrical Calibration of RTDs 3, 7 Indicating Systems & (cont) Pt 385, 1000 Ω (-200 to 0) C (0 to 100) C (100 to 300) C (300 to 400) C (400 to 630) C C C C C C Fluke 7526A Ni 120, 120 Ω (-80 to 260) C C Cu 427, 10 Ω (-100 to 260) C 0.11 C SPRT (-200 to 660) C 0.06 C Distortion 3, 7 20 Hz to 20 khz (20 to 100) khz 1.0 db 2.0 db Agilent 8903A Oscilloscopes 3, 7 Risetime Single Sided < 300 ps ± 120 ps Fluke 5520A-SC1100 Bandwidth 50 khz to 100 MHz (100 to 300) MHz (300 to 600) MHz (0.6 to 1.1) GHz 3.5 % mv 4 % mv 6 % mv 7 % mv (1.1 to 4.2) GHz (4.2 to 18) GHz (18 to 26.5) GHz 0.31 db 0.74 db 0.84 db Agilent 8340A w/: 8482A, 11667A 8481A, 11667A 8485A, 11667B (A2LA Cert. No ) Revised 05/31/2016 Page 17 of 24

18 V. Electrical RF/Microwave Parameter/Range Frequency CMC 2, 5 (±) Comments Return Loss 3 (VSWR) Agilent 8902A with: 5 MHz to 2 GHz (2 to 12.5) GHz (12.5 to 18) GHz 0.11 db 0.53 db 0.85 db Wiltron 60NF50 Wiltron 58A50 Power Meter 3 Power 1 mw 50 MHz 1.9 % Power transfer using Agilent 432A, 478A-H76 Power Accuracy 3 µw to 100 mw 0.29 % Range calibrator Relative Power 3 (0 to -10) db (-10 to -20) db (-20 to -30) db (-30 to -40) db (-40 to -50) db (-50 to -60) db (-60 to -70) db (-70 to -80) db (-80 to -90) db (-90 to -100) db (-100 to -110) db (-110 to -120) db 10 MHz to 26.5 GHz 10 MHz to 26.5 GHz 10 MHz to 26.5 GHz 10 MHz to 26.5 GHz 10 MHz to 26.5 GHz 10 MHz to 26.5 GHz 10 MHz to 26.5 GHz 10 MHz to 26.5 GHz 10 MHz to 26.5 GHz 10 MHz to 26.5 GHz 10 MHz to 26.5 GHz 10 MHz to 26.5 GHz db db db db 0.11 db 0.12 db 0.13 db 0.17 db 0.18 db 0.19 db 0.19 db 0.21 db Agilent 8902A Absolute Power 3 Agilent 437B/E4418B: (-70 to -30) dbm 10 MHz to 18 GHz 2.7 % Agilent 8484A, N-type (-30 to +10) dbm 100 khz to 4.2 GHz (4.2 to 18) GHz (18 to 26.5) GHz 1.4 % 1.9 % 2.4 % Agilent 8482A, N-type Agilent 8481A, N-type Agilent 8485A, 3.5 mm (+10 to +20) dbm 100 khz to 4.2 GHz (4.2 to 18) GHz (18 to 26.5) GHz 3.3 % 3.5 % 3.8 % Agilent 8482A, N-type Agilent 8481A, N-type Agilent 8485A, 3.5 mm (A2LA Cert. No ) Revised 05/31/2016 Page 18 of 24

19 Parameter/Range Frequency CMC 2, 5 (±) Comments Amplitude Modulation 3 50 khz to 100 khz 1.4 % 3.6 % Agilent 8902A Frequency Modulation 3 Dev: Up to 400 khz (20 to 50) Hz 50 Hz to 100 khz (100 to 200) khz 5.8 % 1.4 % 5.8 % Agilent 8902A Phase Modulation Hz to 10 khz 4.7 % Agilent 8902A 200 Hz to 20 khz 3.5 % VI. Fluid Quantities Parameter/Equipment Range CMC 2, 5 (±) Comments Hydrometers 3 (Specific Gravity) (0.7 to 1.2) sg (1.2 to 2.0) sg sg sg ASTM E126 clause 6.2; by comparison using reference hydrometer Gas Flow 3 (1 to 1000) sccm (1 to 10) slm (10 to 30) slm (30 to 60) slm (60 to 100) slm 0.26 % % of FS 0.26 % % of FS 0.28 % % of FS 0.4 % % of FS 1.4 % % of FS DH Molbloc system Volume 3 Up to 400 ml (0 to 4000) ml (4 to 30) L 0.1 ml 0.05 ml 0.37 ml Gravimetric/ electronic balances Viscosity 3 Ford, Dip and Other Viscosity Cups Cup nos. 1 through % ASTM D , D , ISO-2431 (A2LA Cert. No ) Revised 05/31/2016 Page 19 of 24

20 VII. Mechanical Parameter/Equipment Range CMC 2, 5 (±) Comments Mass ment 3 (Up to 400) g (400 to 4000) g (4 to 31) kg 0.01 g 0.04 g 0.32 g Electronic balance, class 6 limited Balances 3 1 mg to 7.4 kg 1 mg to 220 g 1 mg to 220 g 5 µg/g 10 µg/g 20 µg/g Handbook 44 w/: Class 1 weights Class 2 weights Class 3 weights Scales 3 2 mg to 38 kg 0.1 oz to 3700 lb (1000 to 4000) lbf % % 0.11 % Class F weights Class 6 weights Torque 3 Measuring Equipment (0.125 to 20) lbf ft (8 to 250) lbf ft (250 to 1000) lbf ft % lbf ft % lbf ft 0.03 % lbf ft Torque arm and weight set (10 to 100) lbf in (8 to 100) lbf ft (80 to 800) lbf ft 0.29 % 0.24 % 0.23 % Torque tester Wheel Load Scales and Dynamometers 3 (200 to 5000) lbf (5000 to 10000) lbf (10000 to 25000) lbf 0.70 lbf 1.3 lbf 7.2 lbf H-frame with standard load cells Force 3 Compression & Tension (0 to 1400) lbf % Class 6 weights/dmm (1400 to ) lbf % of FS Load cells (A2LA Cert. No ) Revised 05/31/2016 Page 20 of 24

21 Parameter/Equipment Range CMC 2, 5 (±) Comments Pressure 3 Measuring Equipment Hydraulic (10 to ) psi % Dead weight tester Pneumatic (0.3 to 10) psia (10 to 20) psia (20 to 30) psia (30 to 300) psia (300 to 600) psia (600 to 1000) psia psi psi psi 0.06 psi 0.12 psi 0.20 psi DHI PPC2+ Pressure Measuring Equipment (0 to 2) inh 2 O inh 2 O + 0.6R Dwyer microtector Direct Verification of Durometers 3 ASTM D2240 using Spring Force A B C D DO E O (0.55 to 8.05) N (0.55 to 8.05) N Up to N Up to N Up to N (0.55 to 8.05) N (0.55 to 8.05) N 0.6 points 0.6 points 0.6 points 0.6 points 0.6 points 0.6 points 0.6 points Durocalibrator Indenter Shape A B C D DO E O 35 ± 1/4 ; 0.79 mm ± 0.03 mm 30 ± 1/2 ; 0.1 mm ± mm 35 ± 1/4 ; 0.79 mm ± 0.03 mm 30 ± 1/2 ; 0.1 mm ± mm 1.19 mm ± 0.05 mm 2.5 mm ± 0.04 mm 1.19 mm ± 0.05 mm Pass/Fail Pass/Fail Pass/Fail Pass/Fail Pass/Fail Pass/Fail Pass/Fail Optical comparator (A2LA Cert. No ) Revised 05/31/2016 Page 21 of 24

22 Parameter/Equipment Range CMC 2, 4 (±) Comments Indirect Verification of Rockwell Hardness Testers 3 HRBW: < to < HRBW 0.3 HRBW 0.10 HRBW ASTM E18 w/ traceable blocks HRC: < to < HRC 0.54 HRC 0.43 HRC HREW: < to < HREW 0.20 HREW 0.20 HREW HR30N: < to < HR30N 0.5 HR30N 0.3 HR30N HR30TW: < to < HR30TW 0.6 HR30TW 0.2 HR30TW (A2LA Cert. No ) Revised 05/31/2016 Page 22 of 24

23 VIII. Thermodynamics Parameter/Equipment Range CMC 2, 5 (±) Comments Temperature 3 Measuring Equipment -80 C (-45 to 140) C (140 to 660) C 0.15 C % ºC % ºC Hart 5628 w/ 1502 w/ 9107 w/ 9127 Temperature 3 (-197 to 660) C % ºC Hart 5628 w/ 1502 Infrared Measuring Equipment (150 to 500) ºC 0.35 % rdg ºC Hart 4181 Relative Humidity (15 to 95) % RH 1.3 % RH Kaymont 2000 Measuring Equipment 3 Relative Humidity 3 (20 to 80) % RH 1.3 % RH Vaisala M170 IX. Time & Frequency Parameter/Equipment Range CMC 2 (±) Comments Frequency 3, 7 Measuring Equipment 10 MHz Reference 1 mhz to 26.5 GHz 1.2 parts in parts in R Rubidium oscillator Rubidium oscillator and 3325B or 8340B Frequency 3, 7 1 mhz to 26.5 GHz 1.2 parts in R Rubidium oscillator locked to 53132A or 53181A 1 This laboratory offers commercial calibration service and field calibration service. (A2LA Cert. No ) Revised 05/31/2016 Page 23 of 24

24 2 Calibration and ment 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 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. 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 uncertainty. 4 In the statement of CMC Uncertainty, L is the numerical value of the nominal length of the device measured in inches; D is the numerical value of the nominal diameter of the device measured in inches; R is the numerical value of the resolution of the device in its respective units; F is the frequency in khz; M is the source of mismatch uncertainty; FS represents full scale ; and LSD represents last significant digit. 5 In the statement of CMC, percentages are read as percent of reading/output, unless otherwise noted. 6 The stated measured values are determined using the indicated instrument (see Comments). This capability is suitable for the calibration of the devices intended to measure or generate the measured value in the ranges indicated. CMC are expressed as either a specific value that covers the full range or as a fraction/percent of the reading plus a fixed floor specification. 7 Uncertainty components that can be reasonably attributed to the Unit Under Test have not been utilized in the calculation of the CMC Uncertainty value for this measurement parameter. 8 This laboratory meets R205 Specific Requirements: Calibration Laboratory Accreditation Program for the types of dimensional tests listed above and is considered equivalent to that of a calibration. (A2LA Cert. No ) Revised 05/31/2016 Page 24 of 24

25 Accredited Laboratory A2LA has accredited TRESCAL, INC. Cleveland, OH 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 the requirements of ANSI/NCSLI Z and the requirements of ANSI/NCSLI Z and any additional program requirements in the field of calibration. 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 1 st day of December Senior Director of Quality and Communications For the Accreditation Council Certificate Number Valid to August 31, 2016 Revised May 31, 2016 For the calibrations to which this accreditation applies, please refer to the laboratory s Calibration Scope of Accreditation.