ISO/IEC 17025:2017

A2LA Accreditation

The American Association for Laboratory Accreditation (A2LA) is a nonprofit, non-governmental, public service, membership society.

The mission of A2LA is to provide comprehensive services in laboratory accreditation and laboratory-related training.

Certificate of accreditation

ISO/IEC 17025:2017

Get our official certificate directly from A2LA

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Scope of accreditation to ISO/IEC 17025:2017 & ANSI/NCSL Z540-1-1994

Aldinger Company

1440 Prudential Drive
Dallas, TX 75235
Timothy R. Detten
Phone:
214-638-1808

Valid to: June 30, 2024
Certificate number:
1509.01

In recognition of the successful completion of the A2LA evaluation process, accreditation is granted to this laboratory to perform the following calibrations1:

Dimensionalelectricalmechanicalfluid quantitiesthermodynamictime & frequency

I. Dimensional

Calipers3, 5

Range
CMC2,4 (±)
Comments
Up to 24 in
550 μin
Gauge blocks (field)

(24 to 48) in
1100 μin
Up to 48 in
61 μin
Gauge blocks (lab)
(48 to 96) in
1500 μin

Dial & test indicators3, 5

Range
CMC2,4 (±)
Comments
Up to 1 in
20 μin
Gauge blocks (lab), Gauge blocks, ULM, SuperMic10 (lab)
Up to 3in
99 μin
Up to 3 in
90 μin
Gauge blocks (field)

Gauge blocks

Range
CMC2,4 (±)
Comments
Up to 1 in
(3.3 + 1.5L) μin
Master gage block set, Federal 130B-24 comparator
(2 to 4) in
(7.7 + 1.5L) μin
(4 to 20) in
(7 + 2L) μin
Master gauge block set, ULM

Angle blocks

Range
CMC2,4 (±)
Comments
(0 to 90)°
0.005°
Sine bar & gauge blocks

Squares

Range
CMC2,4 (±)
Comments
Up to 18 in
99 μin
Master square, amplified gauge head

Height gauges3,5

Range
CMC2,4 (±)
Comments
Up to 48 in
280 μin
Gauge blocks (field)
89 μin
Gauge blocks (lab)

Length standards

Range
CMC2,4 (±)
Comments
Up to 18 in
(37 + 1.5L) μin
ULM / SuperMic10, gauge blocks
Up to 48 in
(65 + 1.5L) μin

Levels

Range
CMC2,4 (±)
Comments
Up to 12 in
(40 + 14L) μin
Surface plate, granite square

Micrometers3, 5

Range
CMC2,4 (±)
Comments
Up to 4 in
33 μin
Gauge blocks (field)

(4 to 24) in
550 μin
(24 to 48) in
1100 μin
Up to 4 in
15 μin
Gauge blocks (lab)
(4 to 24) in
60 μin
(24 to 96) in
1500 μin

Plain ring gauges

Range
CMC2,4 (±)
Comments
(0.125 to 12) in
(22 + 1.5L) μin
ULM, gauge blocks

Protractors

Range
CMC2,4 (±)
Comments
(0 to 90)°
0.049°
Surface plate, angle blocks, sine bar w/gauge blocks

Thread plugs

Range
CMC2,4 (±)
Comments
Pitch diameter
(0.040 to 4) in
(71 + 1.5L) μin
Three-wire method, direct measure
(4 to 12) in
(94 + 1.5L) μin
Major diameter
(0.040 to 4) in
(19 + 1.5L) μin
Three-wire method, direct measure
(4 to 12) in
(35 + 1.5L) μin
Pitch diameter (taper)
(0.040 to 12) in
(77 + 1.5L) μin
Two-wire method, direct measure

Adjustable thread rings6

Range
CMC2,4 (±)
Comments
Up to 3.125 in
(W) Master plug tolerance
Set using master plug gages. ASME/ANSI B1.2-1983 and ASME/ANSI B1.3-2007
Taper thread rings – pitch diameter
Up to 3 in
120 μin
Two-wire method, direct measure

Thread wires

Range
CMC2,4 (±)
Comments
(4 to 80) TPI
(11 + 1.5L) μin
Master thread wire set

Surface plates- flatness and repeatability3,5

Range
CMC2,4 (±)
Comments
Up to 107 in DL
(48 + 0.41DL) μin
Leveling system (DL is diagonal of the plate)
Indicator stands
(-0.002 to 0.002) in
31 μin
Repeat reading gauge
(-0.002 to 0.002) in
45 μin
Repeat reading gauge, triangular gauge block base
(-0.01 to 0.01) in
580 μin
Indicator, triangular gauge block base

Optical comparators3,5

Range
CMC2,4 (±)
Comments
X-axis
Up to 12 in
(250 + 91L) μin
Glass scale
Y-axis
(0.040 to 4) in
(250 + 91L) μin
Glass scale
Angle
(0 to 90)°
0.029°
Angle blocks

Rulers3,5

Range
CMC2,4 (±)
Comments
Up to 72 in
0.013 in
Standard ruler
Tape measures3,5
Up to 40 in
0.013 in
Standard ruler
Up to 100 ft
0.062 in
Standard tape
Pi tapes3,5
Up to 72 in
910 μin
Gauge blocks

Radius gauges

Range
CMC2,4 (±)
Comments
Up to 0.75 in
1300 μin
Optical comparator and overlay

Angle gauges

Range
CMC2,4 (±)
Comments
Up to 180°
0.044°
Optical comparator and vernier

Torque arms

Range
CMC2,4 (±)
Comments
Up to 24 in
0.0047 in
Height gauge, test indicator
Up to 48 in
0.003 in
Gauge blocks

Coating / Electromagnetic thickness3,5

Range
CMC2,4 (±)
Comments
Up to 120 mils
0.25 mils
Shims
Dimensionalelectricalmechanicalfluid quantitiesthermodynamictime & frequency

II. Electrical - DC / low frequency

AC current- Measure3,5

Frequency
CMC2,7,13 (±)
Comments
Up to 1 A
60 Hz to 1 kHz
0.16 % + 0.4 mA
HP 34401
(1 to 3) A
60 Hz to 1 kHz
0.14 % + 1.8 mA
HP 34401

AC current- Generate3,5

Frequency
CMC2,7,13 (±)
Comments
(29 to 330) μA
45 Hz to 1 kHz
0.13 % + 0.1 μA
Fluke 5522A
330 μA to 3.3 mA
45 Hz to 1 kHz
0.10 % + 0.15 μA
Fluke 5522A
(3.3 to 33) mA
45 Hz to 1 kHz
0.07 % + 2 μA
Fluke 5522A
(33 to 330) mA
45 Hz to 1 kHz
0.083 % + 20 μA
Fluke 5522A
(0.33 to 3) A
45 Hz to 1 kHz
0.10 % + 100 μA
Fluke 5522A
(3 to 10) A
45 Hz to 1 kHz
0.21 % + 2 mA
Fluke 5522A
(10 to 20) A
45 Hz to 1 kHz
0.21 % + 5 mA
Fluke 5522A
(16 to 150) A
(45 to 440) Hz
0.14 % + 0.25 A
Using 50 turn coil
(150 to 1000) A
(45 to 440) Hz
0.14 % + 0.9 A
Using 50 turn coil

AC voltage- Generate3,5

Frequency
CMC2,7,13 (±)
Comments
(1 to 330) mV
45 Hz to 10 kHz
0.018 % + 8 μV
Fluke 5522A
(0.330 to 3.3) V
45 Hz to 10 kHz
0.018 % + 60 μV
Fluke 5522A
(3.3 to 33) V
45 Hz to 10 kHz
0.017 % + 0.6 mV
Fluke 5522A
(33 to 330) V
45 Hz to 1 kHz
0.023 % + 2 mV
Fluke 5522A
(1 to 10) kHz
0.023 % + 6 mV
(330 to 1020) V
45 Hz to 1 kHz
0.046 % + 10 mV
Fluke 5522A
(1 to 5) kHz
0.040 % + 10 mV

AC voltage- Measure3,5

Frequency
CMC2,7,13 (±)
Comments
Up to 100 mV
60 Hz to 3 kHz
0.063 % + 40 μV
HP 34401
100 mV to 1 V
60 Hz to 3 kHz
0.063 % + 300 μV
HP 34401
(1 to 10) V
60 Hz to 3 kHz
0.062 % + 3 mV
HP 34401
(10 to 100) V
60 Hz to 3 kHz
0.064 % + 30 mV
HP 34401
(100 to 750) V
60 Hz to 3 kHz
0.075 % + 230 mV
HP 34401
Up to 10 kV
60 Hz to 3 kHz
0.14 % + 100 mV
Vitrek 4700 w/ HVL-70
Up to 50 kV
60 Hz to 3 kHz
0.1 % + 400 mV
Vitrek 4700 w/ HVL-70

Capacitance – Generate3,5

Range
CMC2,7,13 (±)
Comments
Low
(0.22 to 3.3) nF
0.5 % + 10 pF
Fluke 5522A
(3.3 to 33) nF
0.26 % + 100 pF
(33 to 330) nF
0.26 % + 300 pF
(330 to 3300) nF
0.26 % + 3 nF
High
(3.3 to 33) μF
0.4 % + 30 nF
Fluke 5522A
(33 to 330) μF
0.45 % + 300 nF
(330 to 3300) μF
0.45 % + 3 μF
(3.3 to 110) mF
1.1 % + 10 μF

DC Current – Generate3,5

Range
CMC2,7,13 (±)
Comments
(0 to 330) μA
0.015 % + 20 nA
Gauge blocks (field)

Up to 3.3 mA
0.010 % + 50 nA
Up to 33 mA
0.014 % + 250 nA
Up to 330 mA
0.010 % + 2.5 μA
Up to 3 A
0.038 % + 40 μA
(1.1 to 11) A
0.050 % + 500 μA
(11 to 20.5) A
0.1 % + 750 μA
(10 to 150) A
0.5 % + 0.14 A
Gauge blocks (lab)
(150 to 1000) A
0.5 % + 0.5 A

DC Current – Measure3,5

Range
CMC2,7,13 (±)
Comments
Up to 10 mA
0.075 % + 6 μA
HP 34401
(10 to 100) mA
0.051 % + 5 μA
100 mA to 1 A
0.11 % + 100 μA
(1 to 3) A
0.13 % + 600 μA

DC Voltage – Generate3,5

Range
CMC2,7,13 (±)
Comments
(0 to 330) mV
0.002 % + 1 μV
Fluke 5522A
Up to 3.3 V
0.0012 % + 2 μV
Up to 33 V
0.0013 % + 20 μV
(30 to 330) V
0.0018 % + 0.15 mV
(100 to 1000) V
0.0019 % + 1.5 mV

DC Voltage – Measure3,5

Range
CMC2,7,13 (±)
Comments
Up to 100 mV
0.0054 % + 3.5 μV
HP 34401
100 mV to 1 V
0.0042 % + 7 μV
(1 to 10) V
0.0037 % + 50 μV
(10 to 100) V
0.0048 % + 600 μV
(100 to 1000) V
0.0049 % + 10 mV
Up to 10 kV
0.071 % + 30 mV
Vitrek 4700 w/ HVL-70
Up to 70 kV
0.049 % + 200 mV

Oscilloscopes3,5 - Square wave amplitude

Range
CMC2,13 (±)
Comments
50 Ω at 1 kHz
1 mV to 6.6 V pk-pk
0.34 % + 40 μV
Fluke 5522A SC1100
1 MΩ at 1 kHz
1 mV to 130 V pk-pk
0.25 % + 40 μV
Fluke 5522A SC1100

Oscilloscopes3,5 - DC voltage amplitude

Frequency
CMC2,13 (±)
Comments
50 Ω Load
(0 to ± 6.6) V
0.25 % + 40 μV
Fluke 5522A SC1100
1 MΩ load
(0 to ± 130) V
0.05 % + 40 μV
Fluke 5522A SC1100

Oscilloscopes3,5 - Level sine wave

Frequency
CMC2,13 (±)
Comments
Frequency
Up to 1100 MHz
2.5 parts × 106
Fluke 5522A SC1100
Amplitude
50 kHz Reference
2.8 % + 300 μV
Fluke 5522A SC1100
50 kHz to 100 MHz
4.2 % + 300 μV
(100 to 300) MHz
4.6 % + 300 μV
(300 to 600) MHz
6.4 % + 300 μV
(600 to 1100) MHz
7.4 % + 300 μV
Flatness
50 kHz to 100 MHz
2.7 % + 100 μV
Fluke 5522A SC1100
(100 to 300) MHz
3.0 % + 100 μV
(300 to 600) MHz
4.6 % + 100 μV
(600 to 1100) MHz
5.5 % + 100 μV

Oscilloscopes3,5 - Time markers

Frequency
CMC2,13 (±)
Comments
50 Ω Load
5 s to 50 ms
28 + 1000t μs/s
t = time in seconds
20 ms to 1 ns
3.2 μs/s
Rise time - Generate
1 kHz to 2 MHz
120 ps
t = time in seconds
(200 to 300) ps
(2 to 10) MHz
120 ps
(200 to 300) ps

Electrical calibration of temperature controllers3,5

Range
CMC2,13 (±)
Comments
(-200 to 1371) °C
0.56 °C
Omega CL27 - Type K

Resistance – Generate3,5

Range
CMC2,7,13 (±)
Comments
(0 to 330) Ω
0.065 % + 20 mΩ
Fluke 5522A

(330 to 3300) Ω
0.029 % + 100 mΩ
(3300 to 33 000) Ω
0.029 % + 1.0 Ω
(33 to 330) kΩ
0.0037 % + 10 Ω
(330 to 3300) kΩ
0.0063 % + 150 Ω
(3.3 to 33) MΩ
0.026 % + 2500 Ω
(33 to 110) MΩ
0.063 % + 3.0 kΩ
(110 to 330) MΩ
0.065 % + 100 kΩ
(330 to 1100) MΩ
0.065 % + 500 kΩ

Resistance – Generate3,5

Range
CMC2,7,13 (±)
Comments
(0 to 330) Ω
0.065 % + 20 mΩ
Fluke 5522A‍
(330 to 3300) Ω
0.029 % + 100 mΩ
(3300 to 33 000) Ω
0.029 % + 1.0 Ω
(33 to 330) kΩ
0.0037 % + 10 Ω
(330 to 3300) kΩ
0.0063 % + 150 Ω
(3.3 to 33) MΩ
0.026 % + 2500 Ω
(33 to 110) MΩ
0.063 % + 3.0 kΩ
(110 to 330) MΩ
0.065 % + 100 kΩ
(330 to 1100) MΩ
0.065 % + 500 kΩ

Resistance – Measure3,5

Range
CMC2,7,13 (±)
Comments
Up to 100 Ω
0.066 % + 4 mΩ
HP 34401
100 Ω to 1 kΩ
0.031 % + 10 mΩ
(1 to 10) kΩ
0.031 % + 100 mΩ
(10 to 100) kΩ
0.011 % + 1 Ω
100 kΩ to 1 MΩ
0.012 % + 10 Ω
(1 to 10) MΩ
0.048 % + 100 Ω
(10 to 100) MΩ
0.08 % + 10 kΩ

Electrical simulation of RTD3,5

Range
CMC2,7,13 (±)
Comments
PT385, 100 Ω
(-200 to 0) °C
0.058 °C
Fluke 5522A
(0 to 100) °C
0.17 °C
(100 to 400) °C
0.12 °C
(400 to 630) °C
0.14 °C
(630 to 800) °C
0.28 °C

Electrical simulation of thermocouples and indicators3,5

Range
CMC2 (±)
Comments
Type E
(-250 to -100) °C
0.51 °C
Fluke 5522A
(-100 to -25) °C
0.16 °C
(-25 to 350) °C
0.19 °C
(350 to 650) °C
0.20 °C
(650 to 1000) °C
0.24 °C
Type J
(-210 to -100) °C
0.28 °C
Fluke 5522A
(-100 to -30) °C
0.16 °C
(-30 to 150) °C
0.14 °C
(150 to 760) °C
0.17 °C
(760 to 1200) °C
0.23 °C
Type K
(-200 to -100) °C
0.33 °C
Fluke 5522A
(-100 to -25) °C
0.18 °C
(-25 to 120) °C
0.20 °C
(120 to 1000) °C
0.24 °C
(1000 to 1372) °C
0.40 °C
Type T
(-250 to -150) °C
0.63 °C
Fluke 5522A
(-150 to 0.0) °C
0.24 °C
(0.0 to 120) °C
0.16 °C
(120 to 400) °C
0.14 °C

Welding devices3,5

Range
CMC2 (±)
Comments
(0 to 350) Amps DC
0.87 ADC
Load bank, current shunt, DMM
(0 to 100) Volts DC
0.012 VDC
(100 to 700) Feed Rate IPM
3.6 IPM
Dimensionalelectricalmechanicalfluid quantitiesthermodynamictime & frequency

III. Mechanical

Accelerometers

Range
CMC2,9 (±)
Comments
(5 to 9) Hz
2.1 %
Back to back comparison
(10 to 99) Hz
1.3 %
(100 to 1999) Hz
1.5 %
(2000 to 10 000) Hz
2.0 %
(10 001 to 15 000) Hz
2.5 %

Balances3,5

Range8
CMC2,9,12 (±)
Comments
(0 to 20) g
0.11 mg
Class 1 weights
(0 to 200) g
0.69 mg
(0 to 200) g
1.3 mg
Class 2 weights
(0 to 1000) g
6.6 mg
(0 to 5000) g
34 mg
(0 to 20) g
0.81 mg
Class 4 weights
(0 to 200) g
4.8 mg
(0 to 1000) g
24 mg
(0 to 5000) g
130 mg
(0 to 10 000) g
370 mg
(0 to 20 000) g
460 mg

Force - Measuring equipment3,5

Range8
CMC2,9,12 (±)
Comments
Tension / Compression
Up to 100 lbf
0.0064 lbf
Class F weights w/ load cells
Compression
(100 to 1000) lbf
0.26 % Indication
Class F weights w/ load cells
(1000 to 10 000) lbf
0.24 % Indication
(10 000 to 50 000) lbf
0.33 % Indication
(10 000 to 100 000) lbf
1.6 % Indication
(50 000 to 500 000) lbf
0.4 % Indication
Tension
(100 to 1000) lbf
0.23 % Indication
Class F weights w/ load cells
(1000 to 10 000) lbf
0.23 % Indication
(10 000 to 50 000) lbf
0.29 % Indication

Mass, fixed points

Range8
CMC2,9,12 (±)
Comments
1 mg
2.2 μg
Modified double substitution
2 mg
2.1 μg
5 mg
2.9 μg
10 mg
1.4 μg
20 mg
1.5 μg
30 mg
2.2 μg
50 mg
1.6 μg
100 mg
1.7 μg
200 mg
1.6 μg
300 mg
1.6 μg
500 mg
2.1 μg
1 g
11 μg
2 g
3.3 μg
5 g
5.7 μg
10 g
7.2 μg
20 g
13 μg
50 g
11 μg
100 g
39 μg
200 g
140 μg
500 g
320 μg
Direct comparison
1 kg
390 μg
2 kg
1.7 mg
5 kg
2.6 mg
10 kg
93 mg
20 kg
94 mg
0.8859 g (1/32 oz)
12 μg
1.772 g (1/16 oz)
94 μg
3.544 g (1/8 oz)
240 μg
7.087 g (1/4 oz)
170 μg
14.17 g (1/2 oz)
170 μg
28.35 g (1 oz)
370 μg
56.7 g (2 oz)
150 μg
113.4 g (4 oz)
740 μg
226.8 g (8 oz)
5.1 mg
0.4536 g (0.001 lb)
130 μg
0.9072 g (0.002 lb)
56 μg
2.27 g (0.005 lb)
26 μg
4.54 g (0.01 lb)
16 μg
9.07 g (0.02 lb)
56 μg
22.68 g (0.05 lb)
79 μg
45.36 g (0.1 lb)
37 μg
90.72 g (0.2 lb)
87 μg
453.6 g (1 lb)
3.8 mg
907.2 g (2 lb)
7.9 mg
2267.96 g (5 lb)
8.3 mg
4535.8 g (10 lb)
7.4 mg
9071.8 g (20 lb)
94 mg
22 679.62 g (50 lb)
95 mg
45 359.237 g (100 lb)
0.43 g
90 718.475 g (200 lb)
0.43 g
226 796.185 g (500 lb)
0.45 g
453 592.37 g (1000 lb)
0.47 g

Optical tachometer3,5

Range
CMC2,12 (±)
Comments
200 FPM
1.3 FPM
Calibrated strobe
3000 FPM
1.7 FPM
29 999 FPM
3.9 FPM

Pressure measuring equipment - Gauges, transducers and transmitters3,5

Range
CMC2,12 (±)
Comments
(0 to 30 000) psig
43 psig
Additel digital test gauge
(0 to 10 000) psig
12 psig
Crystal XP2 digital test gauge
(0 to 3000) psig
3.8 psig
(0 to 5000) psig
3.9 psig
Druck/Martel transducer
(0 to 300) psig
0.18 psig
(0 to 2) in H2O
0.0026 in H2O
Dwyer hook gauge
(0 to 300) psig
0.051 psig
GE/Pace 1003
(0 to 3000) psig
0.4 psig
(0 to 10 000) psig
1.3 psig

Scales3,5

Range
CMC2,9,12 (±)
Comments
(0 to 10) lb
0.000 25 lb
Class 4 weights
(0 to 20) lb
0.000 25 lb
(0 to 10) lb
0.0063 lb
Class F weights
(0 to 100) lb
0.0063 lb
(0 to 200) lb
0.0064 lb
(0 to 500) lb
0.0064 lb
(0 to 1000) lb
0.18 lb
(0 to 5000) lb
0.19 lb
(0 to 20 000) lb
0.21 lb

Torque wrenches - Measure3,5

Range
CMC2,9,12 (±)
Comments
(10 to 50) in⋅lbf
0.17 in⋅lbf
CDI/Norbar torque calibrator
(30 to 400) in⋅lbf
1.8 in⋅lbf
(80 to 1000) in⋅lbf
5.1 in⋅lbf
(240 to 3000) in⋅lbf
21 in⋅lbf
(1200 to 6000) in⋅lbf
23 in⋅lbf
Norbar torque calibrator
(2400 to 12 000) in⋅lbf
58 in⋅lbf

Torque measuring equipment - Transducers

Range
CMC2,9,12 (±)
Comments
Up to 200 in⋅lbf
0.10 %
Torque arm and weights
Up to 1200 in⋅lbf
0.091 %
Up to 12 000 in⋅lbf
0.10 %

Vacuum measuring equipment - Gauges3,5

Range
CMC2,9,12 (±)
Comments
(0 to 15) psig
0.03 psig
Druck DPI 610

Rotations speed - Measurement3,5

Range
CMC2,9,12 (±)
Comments
Contact
Up to 200 RPM
1.5 RPM
Monarch PLT200
(200 to 3000) RPM
2.4 RPM
(3000 to 20 000) RPM
11 RPM
Optical
Up to 200 RPM
1.3 RPM
Monarch PLT200
(3000 to 30 000) RPM
3.3 RPM

Indirect verification of Rockwell hardness testers3,5

Range
CMC2,9,12 (±)
Comments
HRB
Low
1.0 HRB
Indirect verification
Medium
0.65 HRB
High
0.49 HRB
HRC
Low
0.45 HRC
Indirect verification
Medium
0.36 HRC
High
0.37 HRC

Indirect verification of Brinell hardness testers3,5

Range
CMC2,9,12 (±)
Comments
HBW 10/500
Low
4.0 HBW
Indirect verification
HBW 10/3000
High
4.8 HBW
Indirect verification
Dimensionalelectricalmechanicalfluid quantitiesthermodynamictime & frequency

IV. Fluid quantities

POVA (piston / plunger operated volumetric apparatus)3,5 -

Range
CMC2,9 (±)
Comments
(1 to 50) μL
0.31 μL
Gravimetric method
(50 to 100) μL
0.6 μL
(100 to 500) μL
1.3 μL
Including but not limited to:
pipettes, syringes, dispensers, & burettes
(500 to 1000) μL
2.2 μL
(1000 to 5000) μL
12 μL
(5000 to 10 000) μL
18 μL
Dimensionalelectricalmechanicalfluid quantitiesthermodynamictime & frequency

V. Thermodynamic

Temperature – Measuring equipment3,5

Range
CMC2,12 (±)
Comments
(30 to 300) °C
0.09 °C
Hart 1502A/5614 PRT in dry block
(86 to 572) °F
0.16 °F

Temperature – Measuring equipment

Range
CMC2,12 (±)
Comments
(-40 to 200) °C
0.061 °C
Hart 1502A/5614 PRT in wet bath, in lab only
(-40 to 392) °F
0.11 °F

Temperature – Measure3,5

Range
CMC2,12 (±)
Comments
(-100 to 600) °C
0.64 °C
Fluke 51 with thermocouple
(-148 to 1112) °F
1.2 °F
(600 to 1200) °C
1.1 °C
(1112 to 2192) °F
2.0 °F

IR thermometer3,5

Range
CMC2,12 (±)
Comments
(-20 to 150) °C
1.1 °C
Mikron M340 (lab only)
(Amb + 10 to 400) °C
2.1 °C
Omega BB703
Emissivity ≈ 0.95
Wavelength (8 to 14) μm

Humidity - Measure & measuring equipment3,5

Range
CMC2,12 (±)
Comments
(10 to 90) % RH
3.4 % RH
Hart 1502A/5614 PRT in wet bath, in lab only
Dimensionalelectricalmechanicalfluid quantitiesthermodynamictime & frequency

VI. Time & frequency

Frequency – Measure3,5

Range
CMC2,7,9,12 (±)
Comments
40 Hz to 300 kHz
0.014 % Indication
HP 34401

Timers & stopwatches3,5

Range
CMC2,7,9,12 (±)
Comments
Up to 24 hr
0.84 s/24 hr
Reference stopwatch

Stroboscopes3,5

Range
CMC2,7,9,12 (±)
Comments
Up to 3600 FPM
0.11 FPM
Universal counter
Up to 30 000 FPM
0.72 FPM
Dimensionalelectricalmechanicalfluid quantitiesthermodynamictime & frequency

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.

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 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, repeatability) 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.

4 

In the statement of CMC, L is the numerical value of the nominal length of the device measured in inches and R is the numerical value of the resolution of the device in micro inches unless otherwise noted.

5 

The CMC stated for calibrations performed in the laboratory is applicable for calibrations performed in the field.

6 

Adjustable thread rings are set to applicable specification using calibrated master set plug gages.

7 

CMC for the HP 34401 is based on 1-year specifications within a temperature range of 18 °C to 28 °C. Field calibrations will be performed within 18 °C to 28 °C, 30 % to 55 % humidity.

8 

Where ranges are not specified, the CMC stated is for the cardinal points only.

9 

In the statement of CMC, percentage (%) refers to percent of reading, unless otherwise noted.

10 

"Supermicrometer" is a registered trademark with a last listed owner of Pratt & Whitney MeasurementSystems, Inc., Connecticut U.S.A.

11 

This scope meets A2LA’s P112 Flexible Scope Policy.

12 

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.

13 

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’s are expressed as either a specific value that covers the full range or as a percent or fraction of the reading plus a fixed floor specification.

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1

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2

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3

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