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6 issues per year 84 pages per issue Subscription only

British Wildlife is the leading natural history magazine in the UK, providing essential reading for both enthusiast and professional naturalists and wildlife conservationists. Published six times a year, British Wildlife bridges the gap between popular writing and scientific literature through a combination of long-form articles, regular columns and reports, book reviews and letters.

Subscriptions from £25 per year

Conservation Land Management

4 issues per year 44 pages per issue Subscription only

Conservation Land Management (CLM) is a quarterly magazine that is widely regarded as essential reading for all who are involved in land management for nature conservation, across the British Isles. CLM includes long-form articles, events listings, publication reviews, new product information and updates, reports of conferences and letters.

Subscriptions from £18 per year
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Calibration Weight

Manufacturer: Pesola
Calibration Weight
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Select product (5)
  • Calibration Weight 20g In stock
    £8.20 inc VAT
  • Calibration Weight 50g In stock
    £11.50 inc VAT
  • Calibration Weight 100g In stock
    £14.50 inc VAT
  • Calibration Weight 200g In stock
    £19.50 inc VAT
  • Calibration Weight 300g Usually dispatched within 4 days
    £24.50 inc VAT
Selected product: £8.20
About this product Specification Customer reviews Related products

About this product

Calibration Weights are designed for the periodic calibration of scales and balances and are available in a range of weights from 20g to 500g.

Weights are made from brass and are cylindrical in shape with a holding knob on the top.



Dimensions (diameter x height):
* 20g: 13 x 22mm
* 50g: 18 x 29mm
* 100g: 22 x 37mm
* 200g: 28 x 47mm
* 300g: 32 x 52mm
* 500g: 37 x60mm

Accuracy class (OIML):
* 20g: M2 (± 8mg)
* 50g: M2 (± 10mg)
* 100g: M2 (± 15mg)
* 200g: M2 (± 30mg)
* 300g: M2 (± 45mg)
* 500g: M2 (± 75mg)


Customer Reviews

Manufacturer: Pesola
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