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Calibration Weights, boxed and unboxed. Showing knob weight from Kern
5kg F1 Stainless Steel weight on white background
1g E1 weight
F1 milligram weight in stainless, on white background

Kern – OIML Stainless Steel Calibration Weight Sets

Our Price: £57.00 – £7,612.00 + VAT (£68.40 - £9,134.40 inc VAT)

Stainless Steel OIML Standard Calibration Weights in a Carry Case

Description

Kern – OIML Calibration Weight Sets, Stainless Steel Standard Calibration Weights In A Plastic Carrying Case

These Calibration Weight sets come in their own protected carry case for easy handling and moving around. Each weight has it’s own foam cut out to maintain stability.

Suited to many environments and ideal for applications such as testing multiple scales and balances situated around a customers site.

E1 Calibration  / Test weights are suitable for testing scales and balances with division sizes of 0.01mg – 0.001mg

E2 Calibration / Test weights are suitable for testing scales and balances with division sizes of 0.1mg – 0.01mg

F1 Calibration / Test weights are suitable for testing scales and balances with division sizes of 1mg – 0.1mg

M1 Calibration / Test weights are suitable for testing scales and balances with a much broader, but less accurate weighing.

Calibration Certificates available. Please pick from dropdown.

If you would like UKAS or another kind of certification not shown please get in touch for a quotation. Deutsche Akkreditierungsstelle GmbH (DAkkS) is the European equivalent to UK Accreditation Service (UKAS) and is recognised by UKAS in the UK. Both perform ISO 17025 accredited calibrations.

See our downloads for tips on how to handle the weights and for some guidance on the calibration weights.

Test Weight Material:

• Milligram weights: Stainless Steel, wire, flat polygonal sheet

• Calibration weights of 1g or above are Stainless Steel, knob shape

• All weights come with a high durability protective plastic carrying case. Some of the smaller sets come in the smaller white case.

 

 

Downloads

PDF-Download

PDF-Download

PDF-Download

We endeavour to deliver your goods to you as fast as we can. A large percentage of our orders are delivered in 3 - 5 working days (all mainland UK postcodes except IV, AB and KW) but some goods can take longer if they are delivered direct from the manufacturer or if the item is made to order. Please note, IV, AB and KW postcodes and non-mainland UK including Northern Ireland can take longer. Please give us a call if your order is urgent to verify the delivery time or see if a faster delivery is possible (additional costs may apply for larger orders).

The following delivery charges may apply per order:
  • £12.00 + VAT – Mainland UK
  • £30.00 + VAT – UK non-mainland

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Frequently Asked Questions

Please see below for answers to frequently asked questions.

A calibration certificate proves the accuracy of your weighing equipment. It is very likely that if accuracy matters in your workplace, certification will be required by your industry regulators. They are straightforward to get hold of though. Just ask our team.

If you are trading or transacting anything by weight, you will probably need to demonstrate your weighing equipment is verified for trade use. This gives your customers confidence in your business and will make sure buying and selling run smoothly. We can help get you with relevant approvals for your equipment.

The answer will vary depending on how your equipment is used. As a minimum, we typically recommend once a year but our team can provide advice based on your individual circumstances.

The International Organization of Legal Metrology (OIML) has established standards for the classification of calibration test weights. Varying from E0 & E1, which are the most accurate to M2 which are commonly used for calibrating platform scales, floor scales and other industrial weighing instruments.

As a rough guide we have listed desired accuracy against class below.

+/- 0.1% – UNclassed Proof Load Test Weights
+/- 0.05% – M3 (Check/calibrate coarse scales)
+/- 0.005% – M1 (Check/calibrate standard scales)
+/- 0.0015% – F2 (Check/calibrate portable balances)
+/- 0.0005% – F1 (Check/calibrate precision balances)
+/- 0.00015% – E2 (Check/calibrate analytical balances)

The choice of weight class depends on the intended use and the level of accuracy required for a particular application. If you’re unsure, talk to our team who can advise you on the right class for your equipment.

If you’re sending a scale back to us for recalibration, it is ideal to use the original packaging. If this is not available choose a sturdy well-padded box to avoid shocks. Where possible, protect the load sensor by removing the weighing pan and any under-pan support and pack these separately in the box. You may be able to use the equipment’s locking pins or screws too.

Do ensure all the paperwork, including your contact details, is included to ensure we can return it once calibration is complete.

Need help? Speak to one of our experts Contact Us

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