We are a SANAS accredited organization for both verification and calibration of scales and weights.

Weighing Instrument Services PTY (LTD) (W.I.S) was founded in 1976 and is one of the market leaders for the supply, service, verification and calibration of scales and weights.

Weighing Instrument Services is a SANAS accredited organization for both verification and calibration of scales and weights which enables us to issue internationally recognized calibration and verification certificates.

Weighing Instrument Services is equipped with a fully functioning machine shop where most of the weights, as well as mechanical scale parts and locally made scales are produced.

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Our Services

We are an accredited verification laboratory for legal metrology in the field of scales, balances and weights( laboratory No LTF 0124) which enables us to issue verification reports.
We are also a SANAS accredited organization which enables us to calibrate balances, scales and weights and issue internationally recognized calibration certificates (laboratory No 1407).

Issue of SANAS calibration certificates

The calibration and issue of SANAS calibration certificates for all balances and scales from 0 g to 10 000 kg and mass pieces from 1mg up to 1000kg

Issue of SANAS Calibration Certificates

The calibration and issue of SANAS calibration certificates for test weights from 1 mg up to 1 000 kg

Verification of scales and mass pieces

On-site verification of balances and scales, including all NRCS approved scales up to 5 000 kg and Commercial traders’ weights up to 20kg.

Repairs & Reconditioning

Repairs to all makes of weighing instruments including laboratory balances as well as reconditioning of all types of test and commercial weights.

Manufacture & Fabrication

The fabrication of locally designed scales and scale parts and the manufacturer of locally designed mass pieces and test weights.

Turn-Key Projects

Specializing in turn key projects such as batch plants, batching systems and check weighing systems for  multiple industries (Food, concrete, mining).

Our Philosophy

Our Mission
Our Clients
Our Staff

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