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Utsunomiya Calibration Center, 
Techno Service Business Division, Mitutoyo Corporation

The name of "Utsunomiya Measurement Standards Calibration Center" was changed to "Utusnimiya Calibration Center" on August 1, 2017. The Center, as a global MRA accredited laboratory, provides calibration services of measuring instrumets such as micrometers, calipers and dial gauges as well as standards such as gauge blocks, step gages and standard scales.

Accreditation No.
JCSS0031
Accredited Laboratory
Utsunomiya 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
Gauge blocks
(Interferometry method)
More than 500 mm up to 1000 mm (0.24 + 0.07×L /1000) µm
Gauge blocks
(Comparison method)
From 0.5 mm up to 100 mm 0.06 µm
More than 100 mm up to 600 mm (0.04 + 0.00043×L) µm
End gauges with flat ends
(Interferometry method)
Up to 2100 mm (0.18 + 0.38×L /1000) µm
End gauges with flat ends
(Comparison method)
From 25 mm up to 1000 mm (0.4 + L /1000) µm
From 0.5 mm up to 1060 mm (0.5 + L /1000) µm
Standard Scale Up to 350 mm (0.10 + 0.12×L /1000) µm
More than 350 mm up to 1000 mm (0.06 + 0.25×L /1000) µm
Micrometers Up to 25 mm 0.3 µm
More than 25 mm up to 500 mm (1.2 + L /175) 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 0.015 mm
More than 600 mm up to 1000 mm 0.020 mm
Depth Gauges Up to 600 mm 0.02 mm
More than 600 mm up to 1000 mm 0.03 mm
Calibration testers
for dial gauges
Up to 5 mm 0.10 µm
More than 5 mm up to 25 mm 0.21 µm
More than 25 mm up to 100 mm (0.1 + 4.8×L /1000) µm
Dial gauges Up to 5 mm 0.5 µm
More than 5 mm up to 50.8 mm 1.1 µm
More than 50.8mm up to 100mm 1.7 µm
Dial test indicators Up to 0.6 mm 0.5 µm
More than 0.6 mm up to 1.6 mm 1.3 µm
Cylinder gauges From 6 mm up to 400 mm 0.7 µm
Electrical comparators ± 5 µm 0.15 µm
± 200 µm 0.2 µm
± 2000 µm 1.0 µm
Ring gauges From 6 mm up to 80 mm 0.7 µm
More than 80 mm up to 120 mm 0.8 µm
Dimensional
Measuring
Instrument
Sphere
(Average diameter)
From 2 mm less than 120 mm 0.06 µm
From 10 mm up to 40 mm (0.24 + 2.6×L /1000) µm