Skip to content

Merry Christmas! We are closed from Friday 20th December to Monday 6th January.

Orders received from Friday 20th December will be shipping on Monday 6th January.


Need help? Call us at: 01908 972 660

(Lines open 9am - 5.30pm Mon-Fri)

M1 Class Calibration Weights

  • M1 1g OIML Individual Calibration Weight

    Original price £14.00 - Original price £14.00
    Original price
    £14.00
    £14.00 - £14.00
    Current price £14.00
    (excl VAT)
    In stock

    What is an OIML Calibration Weight? Each OIML weight is an individual weight that can be used to test or calibrate a product to the relevant OIML s...

    View full details
    Original price £14.00 - Original price £14.00
    Original price
    £14.00
    £14.00 - £14.00
    Current price £14.00
    (excl VAT)
  • M1 2g OIML Individual Calibration Weight

    Original price £14.00 - Original price £14.00
    Original price
    £14.00
    £14.00 - £14.00
    Current price £14.00
    (excl VAT)
    In stock

    What is an OIML Calibration Weight? Each OIML weight is an individual weight that can be used to test or calibrate a product to the relevant OIML s...

    View full details
    Original price £14.00 - Original price £14.00
    Original price
    £14.00
    £14.00 - £14.00
    Current price £14.00
    (excl VAT)
  • M1 5g OIML Individual Calibration Weight

    Original price £16.00 - Original price £16.00
    Original price
    £16.00
    £16.00 - £16.00
    Current price £16.00
    (excl VAT)
    In stock

    What is an OIML Calibration Weight? Each OIML weight is an individual weight that can be used to test or calibrate a product to the relevant OIML s...

    View full details
    Original price £16.00 - Original price £16.00
    Original price
    £16.00
    £16.00 - £16.00
    Current price £16.00
    (excl VAT)
  • M1 10g OIML Individual Calibration Weight

    Original price £17.00 - Original price £17.00
    Original price
    £17.00
    £17.00 - £17.00
    Current price £17.00
    (excl VAT)
    In stock

    What is an OIML Calibration Weight? Each OIML weight is an individual weight that can be used to test or calibrate a product to the relevant OIML s...

    View full details
    Original price £17.00 - Original price £17.00
    Original price
    £17.00
    £17.00 - £17.00
    Current price £17.00
    (excl VAT)
  • M1 20g OIML Individual Calibration Weight

    Original price £18.00 - Original price £18.00
    Original price
    £18.00
    £18.00 - £18.00
    Current price £18.00
    (excl VAT)
    In stock

    What is an OIML Calibration Weight? Each OIML weight is an individual weight that can be used to test or calibrate a product to the relevant OIML s...

    View full details
    Original price £18.00 - Original price £18.00
    Original price
    £18.00
    £18.00 - £18.00
    Current price £18.00
    (excl VAT)
  • M1 50g OIML Individual Calibration Weight

    Original price £21.00 - Original price £21.00
    Original price
    £21.00
    £21.00 - £21.00
    Current price £21.00
    (excl VAT)
    In stock

    What is an OIML Calibration Weight? Each OIML weight is an individual weight that can be used to test or calibrate a product to the relevant OIML s...

    View full details
    Original price £21.00 - Original price £21.00
    Original price
    £21.00
    £21.00 - £21.00
    Current price £21.00
    (excl VAT)
  • M1 100g OIML Individual Calibration Weight

    Original price £27.00 - Original price £27.00
    Original price
    £27.00
    £27.00 - £27.00
    Current price £27.00
    (excl VAT)
    In stock

    What is an OIML Calibration Weight? Each OIML weight is an individual weight that can be used to test or calibrate a product to the relevant OIML s...

    View full details
    Original price £27.00 - Original price £27.00
    Original price
    £27.00
    £27.00 - £27.00
    Current price £27.00
    (excl VAT)
  • M1 200g OIML Individual Calibration Weight

    Original price £32.00 - Original price £32.00
    Original price
    £32.00
    £32.00 - £32.00
    Current price £32.00
    (excl VAT)
    In stock

    What is an OIML Calibration Weight? Each OIML weight is an individual weight that can be used to test or calibrate a product to the relevant OIML s...

    View full details
    Original price £32.00 - Original price £32.00
    Original price
    £32.00
    £32.00 - £32.00
    Current price £32.00
    (excl VAT)
  • M1 500g OIML Individual Calibration Weight

    Original price £49.00 - Original price £49.00
    Original price
    £49.00
    £49.00 - £49.00
    Current price £49.00
    (excl VAT)
    In stock

    What is an OIML Calibration Weight? Each OIML weight is an individual weight that can be used to test or calibrate a product to the relevant OIML s...

    View full details
    Original price £49.00 - Original price £49.00
    Original price
    £49.00
    £49.00 - £49.00
    Current price £49.00
    (excl VAT)
  • M1 1kg OIML Individual Calibration Weight

    Original price £66.00 - Original price £66.00
    Original price
    £66.00
    £66.00 - £66.00
    Current price £66.00
    (excl VAT)
    In stock

    What is an OIML Calibration Weight? Each OIML weight is an individual weight that can be used to test or calibrate a product to the relevant OIML s...

    View full details
    Original price £66.00 - Original price £66.00
    Original price
    £66.00
    £66.00 - £66.00
    Current price £66.00
    (excl VAT)
  • M1 2kg OIML Individual Calibration Weight

    Original price £104.00 - Original price £104.00
    Original price
    £104.00
    £104.00 - £104.00
    Current price £104.00
    (excl VAT)
    In stock

    What is an OIML Calibration Weight? Each OIML weight is an individual weight that can be used to test or calibrate a product to the relevant OIML s...

    View full details
    Original price £104.00 - Original price £104.00
    Original price
    £104.00
    £104.00 - £104.00
    Current price £104.00
    (excl VAT)
  • M1 5kg OIML Individual Calibration Weight

    Original price £275.00 - Original price £275.00
    Original price
    £275.00
    £275.00 - £275.00
    Current price £275.00
    (excl VAT)
    In stock

    What is an OIML Calibration Weight? Each OIML weight is an individual weight that can be used to test or calibrate a product to the relevant OIML s...

    View full details
    Original price £275.00 - Original price £275.00
    Original price
    £275.00
    £275.00 - £275.00
    Current price £275.00
    (excl VAT)
  • 347-01 M1 Class 1g Test Weight

    Original price £9.00 - Original price £9.00
    Original price
    £9.00
    £9.00 - £9.00
    Current price £9.00
    (excl VAT)
    In stock

    What is an M1 Class 1g to 10kg Single Polished Stainless Steel Calibration Test Weight? Each M1 Class 1g to 10kg Single Polished Stainless Steel Ca...

    View full details
    Original price £9.00 - Original price £9.00
    Original price
    £9.00
    £9.00 - £9.00
    Current price £9.00
    (excl VAT)
  • 347-02 M1 Class 2g Test Weights

    Original price £10.00 - Original price £10.00
    Original price
    £10.00
    £10.00 - £10.00
    Current price £10.00
    (excl VAT)
    In stock

    What is an M1 Class 1g to 10kg Single Polished Stainless Steel Calibration Test Weight? Each M1 Class 1g to 10kg Single Polished Stainless Steel Ca...

    View full details
    Original price £10.00 - Original price £10.00
    Original price
    £10.00
    £10.00 - £10.00
    Current price £10.00
    (excl VAT)
  • 347-03 M1 Class 5g Test Weights

    Original price £11.00 - Original price £11.00
    Original price
    £11.00
    £11.00 - £11.00
    Current price £11.00
    (excl VAT)
    In stock

    What is an M1 Class 1g to 10kg Single Polished Stainless Steel Calibration Test Weight? Each M1 Class 1g to 10kg Single Polished Stainless Steel Ca...

    View full details
    Original price £11.00 - Original price £11.00
    Original price
    £11.00
    £11.00 - £11.00
    Current price £11.00
    (excl VAT)
  • 347-04 M1 Class 10g Test Weight

    Original price £12.00 - Original price £12.00
    Original price
    £12.00
    £12.00 - £12.00
    Current price £12.00
    (excl VAT)
    In stock

    What is an M1 Class 1g to 10kg Single Polished Stainless Steel Calibration Test Weight? Each M1 Class 1g to 10kg Single Polished Stainless Steel Ca...

    View full details
    Original price £12.00 - Original price £12.00
    Original price
    £12.00
    £12.00 - £12.00
    Current price £12.00
    (excl VAT)
  • 347-05 M1 Class 20g Test Weight

    Original price £15.00 - Original price £15.00
    Original price
    £15.00
    £15.00 - £15.00
    Current price £15.00
    (excl VAT)
    In stock

    What is an M1 Class 1g to 10kg Single Polished Stainless Steel Calibration Test Weight? Each M1 Class 1g to 10kg Single Polished Stainless Steel Ca...

    View full details
    Original price £15.00 - Original price £15.00
    Original price
    £15.00
    £15.00 - £15.00
    Current price £15.00
    (excl VAT)
  • 347-06 M1 Class 50g Test Weight

    Original price £16.00 - Original price £16.00
    Original price
    £16.00
    £16.00 - £16.00
    Current price £16.00
    (excl VAT)
    In stock

    What is an M1 Class 1g to 10kg Single Polished Stainless Steel Calibration Test Weight? Each M1 Class 1g to 10kg Single Polished Stainless Steel Ca...

    View full details
    Original price £16.00 - Original price £16.00
    Original price
    £16.00
    £16.00 - £16.00
    Current price £16.00
    (excl VAT)
  • 347-07 M1 Class 100g Test Weight

    Original price £20.00 - Original price £20.00
    Original price
    £20.00
    £20.00 - £20.00
    Current price £20.00
    (excl VAT)
    In stock

    What is an M1 Class 1g to 10kg Single Polished Stainless Steel Calibration Test Weight? Each M1 Class 1g to 10kg Single Polished Stainless Steel Ca...

    View full details
    Original price £20.00 - Original price £20.00
    Original price
    £20.00
    £20.00 - £20.00
    Current price £20.00
    (excl VAT)
  • 347-08 M1 Class 200g Test Weight

    Original price £25.00 - Original price £25.00
    Original price
    £25.00
    £25.00 - £25.00
    Current price £25.00
    (excl VAT)
    In stock

    What is an M1 Class 1g to 10kg Single Polished Stainless Steel Calibration Test Weight? Each M1 Class 1g to 10kg Single Polished Stainless Steel Ca...

    View full details
    Original price £25.00 - Original price £25.00
    Original price
    £25.00
    £25.00 - £25.00
    Current price £25.00
    (excl VAT)
  • 347-09 M1 Class 500g Test Weight

    Original price £41.00 - Original price £41.00
    Original price
    £41.00
    £41.00 - £41.00
    Current price £41.00
    (excl VAT)
    In stock

    What is an M1 Class 1g to 10kg Single Polished Stainless Steel Calibration Test Weight? Each M1 Class 1g to 10kg Single Polished Stainless Steel Ca...

    View full details
    Original price £41.00 - Original price £41.00
    Original price
    £41.00
    £41.00 - £41.00
    Current price £41.00
    (excl VAT)
  • 347-11 M1 Class 1kg Test Weight

    Original price £65.00 - Original price £65.00
    Original price
    £65.00
    £65.00 - £65.00
    Current price £65.00
    (excl VAT)
    In stock

    What is an M1 Class 1g to 10kg Single Polished Stainless Steel Calibration Test Weight? Each M1 Class 1g to 10kg Single Polished Stainless Steel Ca...

    View full details
    Original price £65.00 - Original price £65.00
    Original price
    £65.00
    £65.00 - £65.00
    Current price £65.00
    (excl VAT)
  • 347-12 M1 Class 2kg Test Weights

    Original price £120.00 - Original price £120.00
    Original price
    £120.00
    £120.00 - £120.00
    Current price £120.00
    (excl VAT)
    In stock

    What is an M1 Class 1g to 10kg Single Polished Stainless Steel Calibration Test Weight? Each M1 Class 1g to 10kg Single Polished Stainless Steel Ca...

    View full details
    Original price £120.00 - Original price £120.00
    Original price
    £120.00
    £120.00 - £120.00
    Current price £120.00
    (excl VAT)
  • 347-13 M1 Class 5kg Test Weight

    Original price £270.00 - Original price £270.00
    Original price
    £270.00
    £270.00 - £270.00
    Current price £270.00
    (excl VAT)
    In stock

    What is an M1 Class 1g to 10kg Single Polished Stainless Steel Calibration Test Weight? Each M1 Class 1g to 10kg Single Polished Stainless Steel Ca...

    View full details
    Original price £270.00 - Original price £270.00
    Original price
    £270.00
    £270.00 - £270.00
    Current price £270.00
    (excl VAT)
What is an OIML Calibration Weight?

Each OIML weight is an individual weight that can be used to test or calibrate a product to the relevant OIML standard. M1 weights offer the highest level of accuracy and are ideally suited for compact and bench scales that require less accuracy and are more affordable than F1 or E2 class calibration weights.

What are the features of the OIML Calibration Weights?

Our OIML Calibration Weights are constructed from stainless steel for long term stability and are available in a range of capacities from 1 gram to 2 kilograms. Find the perfect size calibration test weight for your needs with our wide range of options. 

Applications for the OIML Calibration Weights

Correctly selected test weights with calibration certificate are the pre-requisite for ensuring that your balances and scales are not only correctly adjusted, but also correctly calibrated. Each scale calibration weight is checked to make sure that it is within tolerance, calibration and certification is available Traceable to National standards. A direct UKAS calibration and certification service is also available.

Need help with choosing the right calibration weights for your needs? Get In Touch with the Inscale team on 01908 972 660.