GX-BX-BRT Brunton Type Compass
Needle
  • Induction dampened
  • Damping time ≤ 15' '
  • Red needle to S, white needle to N
Vernier
  • With vernier
  • Allowing for fine inclination measurement
  • Vertical Accuracy(Direct reading): ± 10'
  • Estimated reading: ± ½ °
  • VerticalRange:   ± 90° or 0-100%
Circle
  • Graduation: 0-360° , Min. 1° , allowing for ½ ° (estimated) azimuthreading
  • Diameter: Outer: 65-0.05mm; Inner: 55+0.2mm
Zero Pin
  • Allowing for magnetic deviationadjustment
Level (buble)
  • Circular Level: Allowing for azimuth measurement levelling; Accuracy: 30' ± 5' /2m
  • Plate Level: Allowing for inclination measurement levelling; Accuracy: 20' ± 5' /2mm