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SCOPE OF ACCREDITATION TO ISO/IEC 17025:2017 & ANSI/NCSL Z540-1-1994

Some equipment we can calibrate includes hardness testers, tension and compression machines, pressure, vacuum, torque wrenches, torque testers, torque transducers, load cells, force measuring equipment, Concrete Testing Machines, and deadweight pressure testers.

One of our newest pieces of equipment we're proud to feature is the Morehouse Universal Calibrating Machine (UCM), used to accurately calibrate both tension and compression instruments in accordance with ASTM E74.

In recognition of the successful completion of the A2LA evaluation process, accreditation is granted to our laboratory to perform the following Mechanical calibrations including hardness testing, force and torque calibration, and more.

One of our featured pieces of calibration equipment for torque calibration is the SURETEST Model 5000-3

Read about our dedicated Pressure Calibration Room

Please see full details below or on our full Scope of Accreditation (PDF) or learn more about our in-lab calibration service.

Mechanical Calibration Scope Includes:

Parameter/Equipment	Range	CMC2 (±)	Comments
Indirect Verification of Brinell Hardness Testers3	HBW 10/500 (15.9 to 109) HBW 10/3000 (95.5 to 650)	1.1 HBW 2.0 HBW	Method: ACP-020D; ASTM E10
Brinell Force (Direct Verification)3	(0 to 3000) kg load	0.16 kg	Method: ACP-020F load cell
Brinell Scope (Direct Verification)	(0 to 7) mm	0.029 mm	Stage micrometer ASTM E10
Indirect Verification of Microindentation Hardness Testers3 – Vickers ≥ 1 kgf < 1 kgf Knoop ≥ 1 kgf < 1 kgf	(200 to 850) HV (200 to 850) HV (200 to 850) HK (200 to 850) HK	2 HV 12 HV 9 HK 13 HK	Method: ACP-020A ASTM E92 / E384 ASTM E92 / E384
Indirect Verification of Rockwell Hardness Testers3	(80 to 84) HRA (70 to 78) HRA (20 to 65) HRA (80 to 100) HRBW (60 to 79) HRBW (40 to 59) HRBW (60 to 65) HRC (35 to 55) HRC (20 to 30) HRC (93 to 100) HREW (84 to 90) HREW (70 to 79) HREW (94 to 100) HRFW (80 to 90) HRFW (60 to 75) HRFW (< 96) HRHW (≥ 96) HRHW (90 to 92) HR15N (78 to 88) HR15N (70 to 77) HR15N (87 to 93) HR15TW (81 to 86) HR15TW (74 to 80) HR15TW (77 to 82) HR30N (55 to 73) HR30N (42 to 50) HR30N (70 to 83) HR30TW (57 to 69) HR30TW (43 to 56) HR30TW (66 to 72) HR45N (37 to 61) HR45N (20 to 31) HR45N (66 to 72) HR45TW (37 to 61) HR45TW (20 to 31) HR45TW (60 to 70) HR45XW 70 to 100) HR45XW	0.15 HRA 0.17 HRA 0.27 HRA 0.42 HRBW 0.26 HRBW 0.35 HRBW 0.32 HRC 0.33 HRC 0.41 HRC 0.57 HREW 0.57 HREW 0.44 HREW 0.57 HRFW 0.53 HRFW 0.53 HRFW 0.42 HRHW 0.35 HRHW 0.51 HR15N 0.42 HR15N 0.30 HR15N 0.30 HR15TW 0.28 HR15TW 0.27 HR15TW 0.31 HR30N 0.32 HR30N 0.40 HR30N 0.21 HR30TW 0.22 HR30TW 0.62 HR30TW 0.23 HR45N 0.27 HR45N 0.33 HR45N 0.43 HR45TW 0.47 HR45TW 0.70 HR45TW 0.75 HR45XW 0.24 HR45XW	Method: ACP-020; ASTM E18
EQUOTIP (Leeb) – Indirect Verification, Fixed Point3	801 Leeb D Hardness	16 Leeb D Hardness	Method: ACP-020C; ASTM A956
Scales and Balances3	1 mg to 320 g (> 320 to 5000) g (> 5 to 10) kg (> 10 to 30) kg (30 to 20 000) lbs (> 20 000 to 200 000) lbs	3.0 μg/g + 20μg 3.0 μg/g + 1 mg 4.7 μg/g + 1 mg 0.72 g 0.015 % of I.V. 0.03 % of I.V.	Method: ACP-047 Class 1 weights Class 1 weights Class 1 & 2 weights Class 4 weights Class F weights Class F weights
Direct Verification of Durometers – Indenter Extension & Shape: Radius Angle Extension Spring Calibration Force: Type A, O Type D, C Type OO, OOO	Up to 1 in Up to 90 ° Up to 1 in Up to 8.9 N Up to 45 N Up to 1.2 N	0.0002 in 0.05 ° 0.0002 in 0.0008 N 0.03 N 0.0007 N	Method: ASTM D2240 Optical inspection under 50x magnification Gage blocks Load force stand
Pressure Measure & Generate, Transducers & Transmitters3	(-14.7 to 300) psig (> 300 to 1000) psig (> 1000 to 5000) psig (> 5000 to 15 000) psig ( 5 to 15 000) psig (500 to 60 000) psig	0.009 psi 0.040 psi 0.005 % rdg + 0.06 psig 0.002 % rdg + 2.3 psig 0.014 % rdg 0.042 % rdg	Method: ACP-038; Druck DPI-611 Druck CR2200 Druck DPI104 Ametek T-150 DWT Fluke P3860 DWT
Force, Measure3 – Transducers & Load Cells (Tension & Compression)	Up to 100 000 lbf Up to 500 000 lbf Compression Only	0.4 % of Indicated Value 0.05 % of Indicated Value	Method: ACP-049; ASTM E4 & loadcells
Extensometer	Up to 2 in	18 μin	Method: ACP-051; ASTM E83
Material Testing System Crosshead Displacement or Actuator Stroke	Up to 24 in	0.003 in	Method: ACP-052; ASTM E2309/E2309M
Material Testing System Crosshead/Actuator Speed	12 in/min	0.006 in/min	Method: ACP-052 ASTM 2658
Load Cells – Tension & Compression	Up to 5000 lbf (5001 to 100 000) lbf	0.02 % Indicated Value 0.02 % Indicated Value	Method: ACP-050 ASTM E74
Force Gauges3 Dynamometer	Up to 1000 lbf Up to 100 000 lbf	0.15 % of Indicated Value 0.03 % of Indicated Value	Method: ACP-049A; NIST Class F weights Morehouse machine
Torque – Calibration of Torque Meters and Sensors	5 lbf·in to 1000 lbf·ft	0.05 % of Applied Load	Method: ACP-031; torque arms with weights, including specific arms
Torque Wrenches3	(4 to 50) in·lbf (30 to 400) in·lbf (80 to 1000) in·lbf (20 to 250) ft·lbf (250 to 1000) ft·lbf	0.17 in·lbf 1.2 in·lbf 1.4 in·lbf 1.2 ft·lbf 1.4 ft·lbf	Method: ACP-030; CDI torque calibrator using load cells
Mass – Fixed Points	1 mg 10 mg 20 mg 30 mg 50 mg 100 mg 200 mg 300 mg 500 mg 1 g 2 g 3 g 5 g 10 g 20 g 30 g 50 g 100 g 200 g 500 g 1000 g 2000 g 5000 g 10 kg 0g 0.001 lb (0.453 592 37 g) 0.002 lb (0.907 184 74 g) 0.005 lb (2.267 961 9 g) 0.01 lb(4.535 924 g) 0.02 lb (9.071 847 g) 0.05 lb (22.679 62 g) 0.1 lb (45.3592 g) 0.2 lb (90.7185 g) 0.5 lb (226.796 g) 1 lb (453.592 g) 2 lb (907.185 g) 5 lb (2267.96 g) 10 lb (4535.92 g) 25 lb (11 339.8 g) 30 lb (13 607.8 g) 50 lb (22 679.6 g) 500 lb (226 796 g) 1000 lb (453 592 g)	16 μg 16 μg 9.9 μg 16 μg 13 μg 23 μg 11 μg 9.9 μg 17 μg 12 μg 14 μg 15 μg 16 μg 22 μg 26 μg 28 μg 32 μg 55 μg 100 μg 670 μg 1.3 mg 10 mg 10 mg 280 mg 340 mg 12 μg 38 μg 16 μg 22 μg 47 μg 34 μg 90 μg 54 μg 190 μg 6.2 mg 9.1 mg 22 mg 25 mg 280 mg 260 mg 320 mg 6.2 g 7.6 g	Method: ACP-001; Comparison to Class 1 weights Comparison to Class F weights

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Certificate Number: 1848.01

1 This laboratory offers commercial calibration & field calibration services.

2 Calibration & 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 behavior of the customer’s device & to influences from the circumstances of the specific calibration.

3 Field calibration service is available for this calibration. 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 & 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 & 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, percentages are percentage of reading, unless otherwise indicated, L is the numerical value of the nominal length of the device measured in inches, R is the numerical value of the resolution of the device in microinches, D is the numerical value of the nominal diameter of the device measured in inches, I.V. represents “Indicated Value”, & Ra is the numerical value of the nominal roughness of the surface measured in micrometers roughness.

5 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. CMCs are expressed as either a specific value that covers the full range or as a fraction/percentage of the reading plus a fixed floor specification.

6 The type of instrument or material being calibrated is defined by the parameter. This indicates the laboratory is capable of calibrating instruments that measure or generate the values in the ranges indicated for the listed measurement parameter.

7 This scope meets A2LA’s P112 Flexible Scope Policy.

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Mechanical Calibration Scope Includes:

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