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Industrial scales, electronic balances, calibrations weights and moisture analysers - order online or tel. 01842 751633 for advice, a quotation or to place an order

Calibration Weights

Calibration Weights / Test Weights

Calibration weights are used for checking and calibrating weighing equipment.
Test weights can be used for proof load or quality tests when a known mass is required.
All our weights can be supplied with optional calibration certificates.
There are many accuracy classes for calibration weights depending on the scales or balances that you want to test or calibrate.
The main accuracy classes for weights are as follows.
M1 calibration weights are the standard weights for testing and calibrating standard scales.
F1 calibration weights are used for testing and calibrating precision electronic balances.
E2 calibration weights are used for testing and calibrating analytical balances.
Proof Test / Proof Load test weights are for proof-load testing of lifting equipment etc.
Weights are also used for quality tests, force tests for levers any many other applications.

Please call our friendly and knowledgeable Sales Team on 01842 751633 for advice.

Feedback for has been compiled from reviews.

DateProductScoreCustomer Comment

Ohaus Defender 3000 D31P60BL 60 kg x 10g Industrial Scales

  • Customer also bought: .... :
  • EC Verification for trade use
  • Traceable Calibration Certificate - PDF
  • 1 kg M1 Iron Calibration Weight
  • 10 kg M1 Iron Calibration Weight
  • Standard Traceable Certificate + Numbering - PDF
  • Once verified the scale will read 60 kg x 20g
Customer Comment:

Good, knowledgeable advice and service.


Sauter FH500 Force Gauge 500N x 0.1N

  • Customer also bought: .... :
  • Sauter TVL manual test stand
Customer Comment:

Good price, quick delivery, zero problems...


Ohaus Navigator NVT16000 16 kg x 1g

  • Customer also bought: .... :
  • Hard Shell Carry Case For Navigator NVT
  • Navigator XT Working Cover
  • Ohaus Battery Pack NVT
  • Ohaus SD75 75 kg x 50g Parcel Scales
Customer Comment:

Great range of balances, nice to deal with over the phone and quick delivery.