Meet USGS standards in cobble size measurement
  • 14 square holes in common sieve sizes
  • Lightweight construction for easy field use
  • Metric scale along one side
This device from Wildco --also known as a gravel meter or pebble meter--is used to grade or measure gravel and cobble-sized bed sediments in the field. Your cobble measurements will be far more accurate than using a ruler. Made of anodized aluminum, it is lightweight yet strong, therefore easy to carry and use in the field. It incorporates 14 square holes of common sieve sizes (1/2 phi unit classes) ranging from 2 mm to 180 mm. Measure up to 310 mm (in 10 mm increments) using the built-in scale. Dimensions: 13 1/2" x 11" (34.3 cm x 27.9 cm)
£79.53GBP / Each
£95.44GBP (incl VAT)

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£79.53GBP / Each
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