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5202 Presidents Court, Suite 220 I Frederick, MD 21703-8398 I Phone: 301 644 32481 Fax: 240 454 9449 I wwwA2LA.org
Page 1of9 (A2LA Cert. No. 1354.01) 03/18/2015
Parameter/Equipment Range CMC2'4 (±) Comments
Micrometers' -
Inside Up to 40 in (67 + 14L) µin Gage blocks
Depth Up to 12 in (70 + l lL) µin
Outside Up to 40 in (67 + 14L) µin
Calipers' Up to 40 in (280 + lOL) µin Gage blocks
II. Dimensional
Parameter/Equipment Range CMC2 (±) Comments
pH Meters and Sensors' (4, 7, 10) pH 0.023 pH MV and temperature, calibration standard buffers
I. Chemical
In recognition of the successful completion of the A2LA evaluation process, accreditation is granted to this laboratory to perform the following calibrations 1:
Certificate Number: 1354.01 Valid To: December 31, 2016
CALIBRATION
AMERICAN INSTRUMENT CORPORATION Crossroads Centre
702 Rose Drive Hartland, WI 53029
Jeff Quinn Phone: 262 367 4409
SCOPE OF ACCREDITATION TO ISO/IEC 17025:2005 & ANSI/NCSL 2540-1-1994
American Association for Laboratory Accreditation
Page 2 of9 (A2LA Cert. No. 1354.01) 03/18/2015
Paratneter/Equiptnent Range CMC2'4 (±) Comments
Depth Gages' Up to 12 in (280 + 4.8L) µin Gage blocks
Dial lndicators3 -
Dial Up to 8 in 360 µin Gage blocks, height gage, granite plate
Straightness and Up to 60 in 1100 µin Height gage, granite Straight Edges3 plate
Height Gages' Up to40 in (290 + 9.8L) µin Gage blocks, granite plate
Thread Plug Gages' -
Pitch Diameter Up to 6 in 190 µin Thread wire
Major Diameter Up to 6 in 150 µin Micrometer
Plain Plug Gages' Up to 6 in 150 µin Micrometer
Protractor - Digital and (0 to 180)0 0.054° Angle block Mechanical'
Measuring Up to 24 in 0.01 in Master rule, granite Rules/Tapes3 Resolution 2: 1/100 plate
Combination Squares' Up to 24 in 0.013 in Caliper, angle blocks, master rule, granite plate
Page 3 of9 (A2LA Cert. No. 1354.01) 03/18/2015
Parameter/Equipment Range CMC2 {±) Comments
DC Voltage' - (0to100) mV 0.0018 mV MartelM3001 Generate (0 to 1) V 0.000016 mV
(0to10) V 0.00016 mV
DC Voltage3 - Measure (0 to 75) mV 0.058 mV MartelM3001 (0 to 10) V 0.23mV
DC Current' - Generate (0 to 100) mA 0.00058 mA Martel M3001
DC Current3 - Measure (0 to 50) mA 0.000059mA Martel M3001
Resistance' - Generate (5 to 400) n 0.011 n Martel M3001 (5 to 4) kn 0.360
Resistance' - Measure (5 to 400) n 0.013 n Martel M3001 (5 to 4) kn 0.12 n
Electrical Calibration of RTD Indicators' - Recorders, Controllers & Calibrators
Pt 385, 100 n (-200 to 800) °C 0.17 °C Martel M3001
Pt 3926, 100 n (-200 to 630) °C 0.17 °C
Pt 3916, 100 n (-200 to 630) °C 0.17 °C
Pt 385, 200 n (-200 to 630) °C 0.60 °C
Pt 385, 500 n (-200 to 630) °C 0.27 °C
Pt 385, 1000 n (-200 to 630) °C 0.19 °C
Ni 120, 120 n (-80 to 260) °C 0.16 °C
III. Electrical - DC/Low Frequency
Page 4 of9 (A2LA Cert. No. 1354.01) 03/18/2015
Parameter/Equipment Range CMC2 (±} Comments
Electrical Calibration of 3 Thermocougle Indicators -
Recorders, ontrollers, & Calibrators
TypeB roo to 800) ·c 0.60 °C Martel M3001 800 to 1000) °C 0.53 °C 1000 to 155orc 0.54 °C 1550 to 1820 °C 0.59 °C
TypeC r to 150) -c 0.43 °C 150 to 650) °C 0.40 °C 650 to 1000) °C 0.44 °C 1000 to 18oorc 0.64 °C 1800 to 2316 °C 1.4 °C
TypeJ rlO to-100) °C 0.35 °C -100 to -30) °C 0.29 °C -30 to 150) °C 0.29 °C 150 to 760) °C 0.26 °C 760 to 1200) °C 0.32 °C
TypeK roo to -100) ·c 0.40°C -100 to -25) °C 0.38 °C -25 to 120) °C 0.34 °C 120 to 1000) °C 0.41 °C 1000 to 1372) °C 0.72 °C
TypeN roo to -100) -c 0.54 °C -100 to -25) °C 0.31 °C -25 to 120) °C 0.25 °C 120 to 410) °C 0.24 °C 410 to 1300) °C 0.34°C
TypeR r to 250}°C 0.68 °C 250 to 400) °C 0.42 °C 400 to 1000) °C 0.40 °C 1000 to 1750) °C 0.48 °C
Types r to 250) -c 0.66 °C 250 to 1000) °C 0.44 °C 1000 to 1400~ °C 0.45 °C 1400 to 1750 °C 0.55 °C
TypeT r50 to -150) -c 0.75 °C -150 to 0) °C 0.45 °C 0 to 120) °C 0.25 °C 120 to 400) °C 0.23 °C
Page 5 of9 (A2LA Cert. No. 1354.01) 03/18/2015
Parameter/Equipment Range CMC2 (±) Comments
Indirect Verification of HRA: Indirect verification Rock\.vellIIardness (20 to 65) HRA 0.55HRA method per ASTM El 8 Testers & Rockwell (70 to 78) IIRA 0.54HRA Superficial Hardness' (80 to 84) IIRA 0.44HRA
IIRBW: ( 40 to 59) IIRBW 0.77IIRBW (60 to 79) IIRBW 0.84IIRBW (80 to 100) IIRBW 0.68 IIRBW
IIRC: (20 to 30) IIRC 0.44 IIRC (35 to 55) IIRC 0.51 IIRC (59 to 65) IIRC 0.45 IIRC
IIREW: (70 to 79) IIREW 0.63 IIRE (84 to 90) IIREW 0.69 IIRE (93 to 100) IIREW 0.70 IIRE
IIRKW: (40 to 60) IIRKW 0.70 IIRK (65 to 80) IIRKW 0.75 IIRK (85 to 100) IIRKW 0.79 IIRK
IIR15N: (70 to 77) IIRl SN 0.38 IIR15N (78 to 88) IIR15N 0.44 IIR15N (90 to 92) IIRl SN 0.40 IIR15N
IIR30N: ( 42 to 50) IIR30N 0.57 IIR30N (55 to 73) IIR30N 0.44 IIR30N (77 to 82) IIR30N 0.62 IIR30N
IIR45N: (20 to 31) IIR45N 0.55 IIR45N (37 to 61) IIR45N 0.36 IIR45N (66 to 72) IIR45N 0.39 IIR45N
IIR15TW: (74 to 80) IIR15TW 0.65 IIR15T (81to86) IIR15TW 0.44 IIR15T (87 to 93) IIR15TW 0.62 IIR15T
IIR30TW: ( 43 to 56) IIR30TW 0.69 IIR30T (57 to 69) IIR30TW 0.48 IIR30T (70 to 83) IIR30TW 0.62 IIR30T
IV. Mechanical
Page 6 of9 (A2LA Cert. No. 1354.01) 03/18/2015
Parameter/Equipment Range CMC2•5 {±) Comments
Indirect Verification of HR45TW: Indirect verification Rockwell Hardness (13 to 32) HR45TW 0.77 HR45T method per ASTM El 8 Testers & Rockwell (33 to 52) HR45TW 0.56 HR45T Superficial Hardness' (53 to 73) HR45TW 0.55 HR45T (cont)
HR15YW: (85 to 93) HRl 5YW 1.4 HR15Y (94 to 100) HRl 5YW 0.89 HR15Y
Indirect Verification of Indirect verification Brinell Hardness method per ASTM El 0 Testers at Test Condition( s )3 -
HBW 10/500/15 (20 to 150) HBW l.5HBW HBW 10/1500/15 ( 45 to 700) HBW 6.5HBW HBW 10/3000/15 ( 45 to 700) HBW 4.9HBW
Direct Verification of Direct verification BrinellHardness method per ASTM El 0 Testers' -
Verification of the (500, 1500,3000)kgf 0.21 % Verification of the test Test Force force is by proving ring
per the method of ASTME4
Verification of the Upto6mm 0.0027mm Stage micrometer Device for Measuring Indentation Diameters
Indirect Verification of 750LD 16LD ASTMA956 Equotip (Leeb) Hardness Testers'
Page 7 of9 (A2LA Cert. No. 1354.01) 03/18/2015
Parameter/Equipment Range CMC2'5 {±) Comments
Indirect Verification of Microindentation Hardness Testers' -
Knoop (25 to 2000) HK (3.7 + 0.007 %) HK Indirect verification method per ASTM
Vickers (25 to 2000) HV (2.1 + 0.014 %) HV E384
Torque Wrenches3 (5 to 250) in· lbf 1.2% Torque calibrator (10 to 600) ft· lbf 1.1 %
Pressure Gauges' (0 to 30) psi 0.011 psi Pressure calibrator (30 to 500) psi 0.14 psi
RPM3 - Calibration of (0 to 90 000) RPM (1.9 + 0.0005 %) RPM Martel MC-1010 or Tachometer Tenma digital
tachometer
Calibration of (0 to 100) in· H20 0.23 in·H20 Dwyer477A Photohelic, Magnehelic manometer and Environmental Gauge3
Foundry Sand Test Equipment3 -
Core Scratch Up to 100 in 0.94 in Standard test block Hardness Tester Flat surface test
Green Sand (0 to 100) B & C 0.048 in Flat surface test Hardness Tester
Permmeter (0 to 500) perms 0.59 perms Perm standard
Sand Rammer -------- 0.010 in Certified caliper, impact rings
Sand Strength (0 to 500) psi 3.8 psi Certified load cell Tester
Moisture Teller (0 to 400) 0P 2.1 op Temperature calibrator
Friability Tester 60 s 1.2 s Certified stop watch
AFS Clay Tester (0 to 10) min 1.2 s Certified stop watch
Page 8 of9 (A2LA Cert. No. 1354.01) 03/18/2015
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 behavior of the customer's device and to influences from the circumstances of the specific calibration.
Paratneter/Equipment Range CMC2'5 (±) Comments
Frequency - Measure' (1.0 to 1000) Hz (0.12 + 0.0006 %) µHz Martel MC-1010 (1.0 to 10) kHz
Frequency - Measuring (1.0 to 1000) Hz (0.066 + 0.0005 %) µHz Martel MC-1010 Equipment3 (1.0 to 10) kHz
VI. Time & Frequency
Paratneter/Equipment Range CMC2, 4, s (±) Comments
IR Temperature' (50 to 900) °F (1.2 + 0.003 %) °F Hart 9132 black body calibration of IR indicator or Raytek IR temperature gun
Temperture - Measure' (200 to 1000) °C 1.2 °C Martel PTC-8010 with (1000 to 1372) °C 2.3 °C a Type K thermocouple
Liquid-in-Glass (0 to 100) °C 0.21 °C Constant temperature Thermometers and bath, certified sensor Temperature Measuring Devices'
Relative Humidity - (10 to 95) % RH 2.3 % RH+ 0.6R Rotronics Hygro Palm Measure
V. Thermodynamics
Page 9 of9 (A2LA Cert. No. 1354.01) 03/18/2015
5 In the statement of CMC, percentages are to be read as percent of reading, unless otherwise noted.
4 In the statement ofCMC, Lis the numerical value of the nominal length of the device measured in inches, and R is the resolution of the device under test.
3 Field calibration service is available for this calibration and this laboratory meets A2LA Rl 04 - 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 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.