General Public
SCL Milestone
2023
SCL set up an Active Hydrogen Maser System
2021
CIPM accepted the SCL’s observer status of the Consultative Committee for Thermometry (CCT)
2019
SCL set up a cryogenic radiometer as primary standard for realizing the candela, the SI base unit for luminous intensity
2019
SCL won at the World Metrology Day 2019 Poster Design Competition
2018
SCL hosted the 2018 APMP mid-year meeting and MEDEA Workshop
2018
SCL set up a programmable Josephson voltage standard developed by NIST
2017
SCL established the facility for calibration of vibration monitoring equipment.
2016
CIPM accepted the SCL's observer status of the Consultative Committee for Electromagnetism (CCEM) and the Consultative Committee for the Photometry and Radiometry (CCPR).
2015
SCL was accredited for its proficiency testing provider service in accordance with the international standard ISO/IEC 17043:2010
2014
SCL joined the Gulf Association for Metrology (GULFMET) as an Associate Member.
2014
SCL set up a high precision double monochromator for measuring spectral irradiance and also facility for calibration of optical fiber power meters and laser sources.
2013
SCL established the facility for calibration of photometric quantities related to luminous intensity.
2012
SCL established the facility for air speed measurement.
2011
SCL established the facility for magnetic measurement.
2009
SCL set up primary standard for three-phase power and energy calibration.
2008
SCL embarked on nano-metrology activities (typically for investigation of the relationship between optical and physical positions).
2005
SCL established the Acoustics Laboratory with all results traceable to the SCL primary standard (for sound level, noise dosimetric and audiometric measurement).
2005
SCL established the facility for calibration of instruments for ultrasonic fault detection and electromagnetic compatibility testing.
2001
SCL established the Force Laboratory at the PWCL Building for calibration up to 3000 kN.
2001
SCL's first batch of Calibration and Measurement Capabilities (CMC) were published on the Appendix C of the CIPM MRA.
2000
SCL became an Associate of CGPM and signatory of the CIPM MRA.
2000
SCL established the Quantum Hall Resistance Standard (an agreed representation of SI unit ohm) as Hong Kong's primary standard for electricity.
1998
SCL established the Iodine stabilized Helium Neon laser, at 633 nm, as Hong Kong's primary standard for length with traceability to the SI.
1997 and 2000
SCL was renamed as "The HKSARG Standards and Calibration Laboratory" in 1997 and came under the Innovation and Technology Commission (ITC) in 2000.
1997
The Asia Pacific Metrology Program (APMP) Memorandum of Understanding (MoU) was drafted and SCL was the MOU signatory.
1996
SCL established the micro-calorimeter as Hong Kong's primary standard for radio frequency power with traceability to the SI.
1994
SCL stopped seeking accreditation by NAMAS and changed to the Hong Kong Laboratory Accreditation Scheme (HOKLAS).
1994
SCL established the Josephson Array Voltage Standard (an agreed representation of SI unit volt) as Hong Kong's primary standard for electricity.
1994
SCL established the High Voltage Laboratory capable for calibration of direct current electricity up to 100kV.
1993
SCL acquired Copy No. 75 of the International Prototype of the Kilogram from BIPM as Hong Kong's primary mass standard with traceability directly to the SI.
1987 to 1994
The following mechanical measurement standards were set up: Mass, Length, Pressure, Volume, Torque, Hardness.
1987
SCL established the water triple point cells as Hong Kong's primary standard for temperature.
1986
SCL acquired the British Calibration Service, BCS, accreditation status. (BCS became National Measurement Accreditation Service, NAMAS and then United Kingdom Accreditation Service, UKAS, later on.)
1986
SCL established the Caesium Beam Atomic Clock (primary realisation of the SI unit hertz) as Hong Kong's primary standard for frequency.
1984
The HKG Standards and Calibration Laboratory (SCL) was established, initially for electricity and thermometry, under the Industry Department.
1979
The Advisory Committee on Diversification recommended to establish a government primary standards laboratory, initially in the fields of electrical and electronics measurements.
1978
Mr CH Dix of NPL(UK) conducted a consultancy study for the Trade, Industry and Customs Department to assess the need for a metrology infrastructure for Hong Kong.