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About Metrology

The Kenya Bureau of Standards (KEBS) was established in 1974 with an integrated approach to standardisation: Metrology, Standards, and conformity assessment (Testing, Certification, etc.).

Metrology is defined as the science of measurement and its applications. Inadequate maintenance of machines in the industry is detrimental to business because it leads to unexpected stoppage of work, expensive damage, loss of production, and unwarranted accidents to personnel. Continuous calibration of equipment/measuring instruments and interpretation of data indicating the state and correctness of the equipment is the best solution to these problems.

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Reliable And Traceable Measurement

The National Measurement Standards maintained at the Kenya Bureau are traceable to International Systems of Units (SI).
These National Measurement Standards are used to calibrate and monitor the secondary standards, which in turn calibrate and monitor the numerous working standards and equipment used in the industry.

Kenya’s Calibration Measurement Capabilities

Kenya, through the Kenya Bureau of Standards Metrology Department, has published Calibration Measurement Capabilities (CMCs) on the BIPM Key Comparison Database (KCDB). These CMCs establish the traceability of measurements in Kenya to the International System of Units (SI).

Accreditation information

KEBS Metrology department is accredited to ISO/IEC17025:2017 by the German Accreditation Agency (Deutsche Akkreditierungsstelle GmbH – DAKKS).
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History

The KEBS Metrology Department began its operations in 1977, recruiting seven staff members who were sent for training at the Physikalisch-Technische Bundesanstalt (PTB) in Germany. This pioneering team—comprising Walter Okoko, Samuel Obaga, John Mureithi, the late Kakai Kuteli, Samuel Onwong’a, Daniel Musuva, and Laban Mwashe—laid the foundation for the department, officially launching it in 1979. During this initial phase, PTB was crucial in supporting KEBS Metrology through construction, equipment provision, training, and financial assistance. PTB endorsed the department’s training and development initiatives for over eighteen months into the mid-1990s. PTB remains a key partner, sponsoring ongoing training programs and other KEBS Metrology activities. A recent example of this partnership is PTB’s support in hosting the 2024 AFRIMETS General Assembly.

Over the years, KEBS Metrology has also gained the support of other international organisations. Most notably, the International Atomic Energy Agency has been a key partner since the early 2000s, providing much-needed support in acquiring measurement standards and training for the ionising radiation laboratory. The Metrology Department has evolved seamlessly under the guidance of various leaders since the first head, Elam Songole. Their collective leadership has shaped the department into what it is today, with each bringing unique insights and invaluable expertise that have fuelled the growth of metrology in Kenya.

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Key achievements

1977

1977

Establishment of KEBS Metrology department.

The initial five staff members were sent for training in PTB, and they began the department’s operations in 1979. PTB was the main sponsor of the metrology department, giving financial and technical support during the early years, and that support continues to this day.

December 1997

KEBS Metrology is Accredited

KEBS-Metrology is accredited by Deutscher AkkreditierungsRat (DKD) (Now Deutsche Akkreditierungsstelle GmbH – DAKKS). The first laboratories to be accredited were the Direct Current & Low Frequency (DC&LF) laboratory and the Volume & Flow laboratory. KEBS-Metrology has since expanded the scope of accreditation, which now covers fluid quantities, thermodynamic quantities, mass quantities, time and frequency, and dosimetry. Currently, eight laboratories are accredited by DAKKS (Mass, Time & Frequency, DC & LF, Pressure, Temperature, Force, Volume & Flow, Dosimetry)

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2002

24 September 2002

General Conference of Weights and Measures

Kenya, through KEBS-Metrology, becomes an associate member of the General Conference of Weights and Measures (CGPM, French: Conference Generale de Poids et Measures)

21 November 2002

International Committee of Weights and Measures – Mutual Recognition Arrangement (CIPM-MRA)

Kenya, through KEBS-Metrology, becomes a signatory to the International Committee of Weights and Measures – Mutual Recognition Arrangement (CIPM-MRA, French: Commite International de Poids et Measures). The CIPM-MRA was signed by J. Kioko, the Director of Metrology and Testing at that time on behalf of the KEBS Managing Director. Being a signatory to the CIPM-MRA meant that measurements and calibrations performed in Kenya are recognised by other member states that are signatories to the CIPM-MRA and will not have to be repeated.

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2008

October 2008

The Regional Metrology Organization for Africa

The International Committee of Weights and Measures (CIPM) officially recognized Intra-Africa Metrology Systems (AFRIMETS) as the Regional Metrology Organization for Africa. Kenya participated in AFRIMETS’s development from 2005 to 2008 and thus can be considered to have joined it when it was officially recognized in October 2008.

1 January 2010

Member state of the International Bureau of Weights and Measures (BIPM, French: Bureau International de Poids et Mesures)

Kenya, through KEBS-Metrology, becomes a full member state of the International Bureau of Weights and Measures (BIPM, French: Bureau International de Poids et Mesures). This meant that Kenya now had a seat at the high table of measurements, could influence decisions, and had its voice heard in developing global measurement systems. At that time, Kenya became the third country in Africa to be a full member of the BIPM after Egypt (1962) and South Africa (1964). As of 2024, there are five full member states from Africa.

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2013

13 June 2013

First Calibration Measurement Capability (CMC) on the BIPM – KCDB platform

Kenya, through KEBS-Metrology, publishes its first Calibration Measurement Capability (CMC) on the BIPM – KCDB platform. This was a CMC in “Alcohol in Aqueous Media”. KEBS-Metrology has since gone on to publish other Calibration Measurement Capabilities (CMCs) and gained observer status in the Consultative Committee for Acoustics, Ultrasound and Vibration (CCAUV) and in the Consultative Committee for Amount of Substance: Metrology in Chemistry and Biology (CCQM).

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