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Brunton Axis Pocket Transit Compass


Invented by geologists, for geologists.

The Brunton Axis Pocket Transit Compass is an innovative compass invented by geologists for easier measurements of planes, lines, bearings, and vertical angles. The dual-axis, hollow hinge facilitates quick, accurate measurements without requiring multiple read-outs or different measurement tools. Only one measurement configuration is required for strike and dip, trend and plunge, as well as bearing and vertical angle.

North runs parallel to the main hinge axis, making this compass the only Brunton Transit capable of measuring strike and dip simultaneously. There's a lid protractor and rotation around the minor axis for accurate measurements of trend and plunge across any surface, even on overhangs. Adjustable declination allows you to use this across North America without sacrificing accuracy. It's available in either a 0 to 360° azimuth scale or 0 to 90° quadrants.

  • Innovative compass makes geologic measurements a breeze
  • Dual-axis, hollow hinge for planes, lines, bearings, vertical angles
  • North is parallel to main hinge for simultaneous strike & dip measurement
  • One measurement for strike & dip, trend & plunge, bearing & vertical angle
  • Lid protractor and rotation around minor axis for trend & plunge
  • Compass bearing accuracy: +/-1/2° with 1° graduations
  • Inclinometer accuracy: +/-1/2° with 1° graduations
  • Dip angle accuracy: +/-1° with 2° graduations
  • Item #BRU002I

Housing Material
anodized aluminum
Adjustable Declination
yes, adjustable magnetic declination
Bubble Level
yes, horizontal and vertical axis bubbles
Slope Meter
yes, inclinometer: +/- 1/2 with 1° graduations
3.9 x 2.8 x 1.2 in
Claimed Weight
12.5 oz
Recommended Use
geologic field measurements
Manufacturer Warranty

Tech Specs

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