Zanzibar Bureau of Standards


Why we do Laboratory Testing?

Testing is an essential step and tool in conformity assessment process which conform whether products meet standards or not by conducting analytical activities of products.

The aim of testing is to ensure that the products whether imported or manufactured within the country comply with relevant standards, or they are safe for human and animal consumption as well as environmental friendly

Our Objectives

The primary objective of the testing services of ZBS laboratories is to assure the accuracy and precision of laboratory results so that they will be reliable, interpretable, repeatable, and defensible.

To establish and maintain National and International recognition through compatibility with the requirements of relevant standards.

To strive to meet or exceed the customer needs and expectations for precision, accuracy, sensitivity, and specificity.


The laboratory management and personnel are committed to perform quality activities to assure integrity, accuracy, precision, reliability, timeliness of the data and confidentiality.

Our laboratories & Scope of testing

Currently, ZBS owns three Operating Laboratories namely:-

  1. Electrical and Electronic Laboratory: This laboratory has capacity to test all house hold appliances, electrical installation accessories, cables, batteries, lamps, Information technology equipments, Residual current operated circuit-breaker without integral over current protection for household and similar uses(RCCBs), multimedia and similar electronic apparatus and some commercial electrical and electronic products.
  2. Chemistry laboratory: This laboratory has capacity to test petroleum products (diesel, petrol, kerosene and JET A1), all kinds of engine oil and lubricants, Soaps and detergents.
  3. Food chemistry laboratory: This laboratory has capacity to test most of food products on a chemical parameter. In addition to that the food chemistry laboratory has capability of testing heavy metal.

Subcontracted Testing Service

For those products that cannot be measured within the ZBS laboratories, the samples are subcontracted to the competence laboratories through definable, specific and documented procedures in agreement with the customer. Nevertheless, are based on ISO 17025:2017 and as directed in Zanzibar Standards Act No 1 of 2011.

The Competence Level of our Laboratories

The Chemistry laboratory has been awarded the Certificates of excellences in proficiency testing for engine oil in September, 2020 and Gasoil in January 2021 organized by the Institute for Interlaboratory Studies in the Netherlands.

Our Recent Plan

ZBS aims to expand testing scope on variety of products which are imported and are locally produced. Therefore our recent plan is to establish Building and Construction laboratory, Textile laboratory and part of Metrology laboratory. In addition to that, ZBS also strives to acquire National and International recognition through accreditation.

Zanzibar Bureau Of Standards
P.O. Box: 1136, Zanzibar
Tel: +255-24-2232225
Fax: +255-24-2232225

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