PAO Accredited Laboratories (as of Dec. 2012) - DTI

Products/
Class of Test
.10 Length
measuring
machine
.15 Precision
projection
apparatus
Measured
quantities/
instrument
Calibration of
Universal Measuring
Machine
Calibration of
Optical/Profile
Projector
Calibration of
Toolmaker’s
Microscope/
Measuring
Microscope
Range to be
calibrated
229 of 391
Best
measurement
capability
expressed as an
uncertainty ()*
Standard Method/
Reference
Standard
0 – 400 mm 1.0 µm On-Site Calibration
MTR-CMP-034
up to 200 mm 2.3 µm or 1.2
arc-min
up to 200 mm 2.3 µm or 0.6
arc-min
On-Site Calibration
MTR-CMP-017
On-Site Calibration
JIS B 7150:1995
.16 Dial gauge Calibration of 0.001x 25 mm 0.6 µm MTR-CMP-048
calibrators
5.10 Masses
Calibration Tester 0.0002 x 5 mm 0.3 µm
.03 Determination Determination of up to 5 kg ± 0.001% of load INSCMP 085, 086,
of mass Mass above 5 kg to ± 0.008% of load 097
15 kg
5.11 Weighing devices
.01 Precision Precision Laboratory up to 200 g ± 0.9 ppm of
laboratory
capacity
balances Balances 200 g to 1 kg ± 1 ppm of
.02 Industrial
balances
capacity
Industrial Balances up to 100 kg ± 3 ppm of
capacity
On-Site Calibration
INSCMP 058
On-Site Calibration
INSCMP 059, 060,
061, 091
.03 Industrial Industrial Weighing up to 100 kg On-Site Calibration
weighing Appliances @ 50 g graduation ± 0.03% of
capacity
INSCMP 059, 060,
appliances @ 100 g graduation ± 0.06% of
capacity
061, 091
@ 200 g graduation ± 0.12% of
capacity
.05 Other Other Weighing up to 100 kg On-Site Calibration
weighing Devices @ 50 g graduation ± 0.03% of
capacity
INSCMP 059, 060,
devices @ 100 g graduation ± 0.06% of
capacity
061, 091
@ 200 g graduation ± 0.12% of
capacity
5.20 Pressure and vacuum measuring devices
.01 Pressure gauges Pressure Gauges 0 to 16000 psi ± 0.01% of On-Site Calibration
reading INSCMP 047, 048,
073, 074, 075
.03 Pressure Pressure
0 to 500 psi ± 0.01% of On-Site Calibration
Transducers Transducers
0 to 10000 psi reading INSCMP 053, 054,
± 0.02% of
reading
055, 056, 076
.05 Mercury
Mercury Manometers 0 to 300 psi ± 0.01% of INSCMP 051
manometers
reading
.06 Other liquid Other Liquid
0 to 300 psi ± 0.01% of INSCMP 051
manometers Manometers
reading
.07 Digital
Digital Manometers 0 to 300 psi ± 0.01% of INSCMP 051
manometers
reading
.08 Pressure control Pressure Control
0 to 1600 psi ± 0.3% of full- On-Site Calibration
devices
Devices
scale INSCMP 052, 053,
054, 055, 056
5.21 Pressure gauge testers
.01 Pneumatic Pnuematic Operated 0 to 300 psi ± 0.05% of INSCMP 085
operated piston
gauges
Piston Gauges
reading
.02 Hydraulic Hydraulic Operated 0 to 10000 psi ± 0.05% of INSCMP 086
operated piston
gauges
Piston Gauges
reading