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Metrological Standards Calibration Section, Metrological Standards Office, Mitutoyo Corporation

Metrological Standards Calibration Section, as a global MRA accredited laboratory, provides calibration services of laser wavelength that is a standard of length.

Accreditation No.
JCSS0067
Accredited Laboratory
Metrological Standards Calibration Section, Metrological Standards Office, Mitutoyo Corporation
Scope
[Length]

Calibration Procedures and
Type of Instruments/Materials
to be calibrated		 Range Expanded Uncertainty*
(Level of Confidence
Approximately 95 %)
Laser Wavelength Frequency stabilized laser in the 633 nm region 1.1×10-13
Frequency stabilized laser in the 532 nm region 1.1×10-13
[Temperature]
Calibration Procedures and
Type of Instruments/Materials
to be calibrated		 Range Expanded Uncertainty*
(Level of Confidence
Approximately 95 %)
Contact Type
Thermometer		 Resistance Thermometer
（Comparison calibration）		 100 Ω
(Four wires System)		 From 0 ℃ up to 40 ℃ 6 mK
Temperature sensors with display unit
(Comparison calibration)		 From 0 ℃ up to 40 ℃ 8 mK
*
These values are the smallest uncertainties. Therefore, they sometimes differ from the uncertainties written in the Calibration Certificates
*
Due to the relocation of our office, the calibration service for global MRA accreditation is temporarily suspended. Calibration services are planned to resume in August 2022.