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Hiroshima Calibration Center, Techno Service Business Division, Mitutoyo Corporation

The Hiroshima Calibration Center provides calibration services as a global MRA accredited laboratory for measuring tools such as micrometers, calipers and dial gages; standards such as ring gages and standards for micrometer; roughness specimen; and for hardness reference blocks and, for on-site calibration only in Japan, Rockwell type hardness testing machines.

Accreditation No.
JCSS0109
Accredited Laboratory
Name : Hiroshima Calibration Center, Techno Service Business Division, Mitutoyo Corporation
Scope
[Length]

Type of service Calibration scope CMC(Level of Confidence
Approximately 95%)
(L (mm):Nominal length)
Length
Measuring
Instrument
Dial gauges Up to 5 mm 1.0 μm
Up to 10 mm 1.3 μm
Up to 100 mm 2.1 μm
Dial test indicators Up to 0.6 mm 0.8 μm
Up to 1.6 mm 1.2 μm
Calibration testers for
dial gauges
Up to 5 mm 0.18 μm
Up to 25 mm 0.3 μm
Calipers Up to 600 mm 0.02 mm
More than 600 mm up to 1000 mm 0.03 mm
Height gauges Up to 600 mm 0.02 mm
More than 600 mm up to 1000 mm 0.03 mm
Micrometers Up to 25 mm 0.6 μm
Up to 500 mm (1.2 + L /175) μm
Depth Gauges Up to 600 mm 0.02 mm
More than 600 mm up to 1000 mm 0.03 mm
End gauges
with flat ends
*Micrometer Standard
From 25 mm up to 1000 mm (0.5 + 1.2·L /1000) μm
Ring gauges From 6 mm up to 80 mm 0.7 μm
From 80 mm up to 120 mm 0.8 μm
Indicating Micrometers Micrometer Up to 100 mm (0.9 + L /250) μm
Indicator ±0.06 mm (0.3 + L /125) μm
Dimensional
Measuring
Instrument
Surface Texture Depth
From 0.3μm up to 20μm
Arithmetical mean deviation
of the roughness profile
From 0.1μm up to 5μm
Maximum height
of the roughness profile
From 0.3μm up to 20μm
[Hardness]

Type of service Calibration scope CMC(expanded uncertainty (k =2))
Permanent Laboratory On-site Calibration
Rockwell Hadness
Testing Machines, etc
Rockwell Hardness
Reference Blocks
From 20 HRC
up to 25 HRC
0.43 HRC -
More than 25 HRC
less than 35 HRC
0.44 HRC -
From 35 HRC
up to 45 HRC
0.42 HRC -
More than 45 HRC
less than 55 HRC
0.39 HRC -
From 55 HRC
up to 65 HRC
0.35 HRC -
Rockwell Hardness
Testing Machines
From 20 HRC
up to 25 HRC
- 0.41 HRC
More than 25 HRC
less than 35 HRC
- 0.41 HRC
From 35 HRC
up to 45 HRC
- 0.39 HRC
More than 45 HRC
less than 55 HRC
- 0.37 HRC
From 55 HRC
up to 65 HRC
- 0.34 HRC