| Description | Brunton Grain Size Card for geologists, made of durable, waterproof, transparent material. Features 10 grain size classifications, a PHI scale, and an integrated millimeter ruler for accurate field measurements. | Brunton TruArc No. 10 Compass with global needle, tool-free declination adjustment, and magnified readout. Compact, lightweight, and built for precision in demanding conditions. Made in the USA, ideal for explorers and professionals. | Brunton 5010 Transit Compass is a professional-grade tool that allows simultaneous measurement of dip angle and dip direction. With a flat base for low-angle readings, automatic needle lock, and rugged construction, it's ideal for geologists and field professionals needing precise structural data collection in any environment. |
Brunton 5030 Geo Lite Transit is a lightweight, durable, and functional mirrored compass designed for students and field geologists. It offers essential strike and dip measurements, dual clinometers, and a built-in protractor—perfect for accurate field mapping in a compact format.
| The Brunton Axis 5012 Transit Compass offers simultaneous measurements of strike & dip, dip azimuth, and trend & plunge with unmatched precision. Its dual-axis hinge and 360° rotating lid allow accurate readings on any surface—even overhead—making it the ideal tool for geologists and field professionals working in complex environments. | Brunton Transit 5020 Compass – Precision compass for strike and dip measurements, built with a rugged CNC-machined body, flat non-slip base, and high-accuracy needle system. Ideal for geologists and field professionals seeking durability, stability, and waterproof performance in challenging environments. |
| Content | The Brunton Grain Size Card is an essential field tool for geologists, designed for the visual classification of sediment based on grain size and shape. Made from durable, waterproof, and transparent material, this lightweight card withstands all weather conditions. It features both positive and negative sides to facilitate accurate grain size comparisons and direct readings in the field.
SPECIFICATIONS:
➢ 10 grain size classifications, including the PHI scale
➢ Visual reference for grain shapes
➢ Integrated millimeter ruler for direct measurement | The Brunton TruArc No. 10 Compass is an advanced, reliable, and durable navigation tool—ideal for explorers, mountaineers, and professionals who require precision in demanding conditions. Its mirrorless design features a global needle and multiple integrated scales, allowing for versatile use anywhere in the world, even alongside GPS systems. Compact, lightweight, and made in the USA, it combines ergonomic comfort with high functionality to deliver accurate readings on every expedition.
SPECIFICATIONS:
➢ TruArc™ Global Needle: Tilts up to 20° for stable performance worldwide.
➢ Tool-free declination adjustment: Quick and easy way to align magnetic north with true north.
➢ Magnified readout: Increases precision without compromising readability.
➢ Integrated Romer scales: Maximum latitude and longitude accuracy for GPS use.
➢ Meridian lines: Help align with map grid lines during trip planning.
➢ Reversible inch and millimeter scales: Accurate for detailed map work.
➢ Double-gauge ergonomic baseplate: Durable and comfortable to hold.
➢ Removable high-visibility cling: Enhances performance in low-light conditions.
➢ EverNorth™ Magnet: Highly resistant to long-term demagnetization.
➢ 1° azimuth ring resolution: Provides precise and reliable readings.
➢ Manufactured in Riverton, Wyoming, USA.
➢ Dimensions: 13.2 x 7.1 x 1.2 cm
➢ Weight: 48 g (1.7 oz) | The Brunton 5010 Transit Compass is a versatile mapping tool that combines the precision of traditional methods with advanced simultaneous measurement capabilities. Specially designed for professionals in geology, geophysics, and fieldwork, it allows for the simultaneous recording of dip angle and dip direction, optimizing the structural data collection process—even on an international scale. Its flat base facilitates low-angle measurements, while the automatic needle lock system ensures accurate readings when the instrument’s face is not directly visible. With both short and long sights, it offers enhanced accuracy and comfort when taking bearings in any environment.
SPECIFICATIONS:
➢ Measurement Style: Strike & Dip or Dip & Dip Direction
➢ Dimensions: 9.6 x 7.1 x 3.3 cm (3.8" x 2.8" x 1.3")
➢ Weight: 363 g (12.8 oz)
➢ Azimuth Scale: ±0.5°, with 1° graduations
➢ Hinge Dial: ±0.5°, with 2° graduations
➢ Internal Clinometer: ±0.5°, with 1° graduations
➢ Percent Grade Scale: 5% increments
➢ Magnetic Declination Adjustment: ±180°
FEATURES:
➢ The hinge dial allows for simultaneous measurement of dip and dip direction, or strike and dip on certain surfaces and orientations.
➢ The lid opens to 220° and includes indicators showing which needle to read for plunge direction.
➢ The flat base enables easy dip angle and dip azimuth measurements at low angles.
➢ The integrated mirror allows visual alignment and measurement of bearings and vertical angles.
➢ Long and short sights provide added functionality and precision when taking bearings.
➢ Dual long-level bubbles allow the compass to be leveled from the sides.
➢ The needle can be set to lock automatically, ensuring accurate readings.
➢ The high-precision NdFeB disk magnet offers accurate readings and excellent resistance to demagnetization.
➢ The magnetic needle can be balanced for use in almost any part of the world.
➢ Induction damping allows the needle to stabilize quickly.
➢ The sapphire jewel bearing ensures smooth needle movement throughout the instrument’s lifespan.
➢ The needle lock button can lock or release the needle, depending on the model.
➢ Internal components are sealed with an O-ring to improve water and dust resistance.
➢ All Transit models are compatible with the Jacob’s Staff or tripod ball-and-socket adapter.
➢ Each model is available in Azimuth (0–360°) or Quadrant (0–90°) formats.
➢ Includes a protective leather case, ideal for carrying your Brunton in the field.
➢ Made in the USA, in Riverton, Wyoming.
| The Brunton 5030 Geo Lite Transit is a mirrored, flat-base compass specifically designed for students and field geologists who need a lightweight, precise, and functional tool without sacrificing the essential capabilities of a traditional transit. Inspired by the design of the Geo Transit model, the Geo Lite delivers reliable performance in a more compact format. It features two clinometers (plumb-style and hinge-style), allowing for effective dip and dip azimuth measurements. It also includes an integrated protractor for direct plotting of data on topographic maps during fieldwork. Its transparent base is hot-stamped for enhanced durability, and the flat structure allows for accurate measurements even at low angles. Additionally, the lid is made from recycled glass-filled PA (polyamide), providing greater resistance to long-term use.
SPECIFICATIONS:
➢ Dimensions: 10.16 × 6.3 × 1.5 cm (4” × 2.5” × 0.6”)
➢ Weight: 68 g (3.2 oz)
➢ Azimuth: ±1° with 2° graduations
➢ Hinge clinometer: ±2.5° with 5° graduations
➢ Internal clinometer (plumb-style): ±2.5° with 5° graduations
➢ Magnetic declination adjustment: ±180° (tool-free)
FEATURES:
➢ Direct-read azimuth system in transit style
➢ Slim needle for more accurate readings
➢ Fixed plumb-style clinometer, unaffected by declination adjustment
➢ Hinge clinometer for simultaneous dip/dip azimuth measurements
➢ Integrated protractor for mapping and plotting in the field
➢ Bubble level for improved strike measurement accuracy
➢ 2° resolution for azimuth readings, 5° resolution for clinometer readings
➢ Durable EverNorth magnet, resistant to long-term demagnetization
➢ Integrated map magnifier on the base
➢ Sighting mirror for precise directional readings
➢ Romer scales included for GPS compatibility
➢ Flat base for accurate measurements at low angles
➢ Hot-stamped baseplate for enhanced wear resistance
➢ Lid made of recycled, glass-filled polyamide for extended durability
➢ Made in the USA, in Riverton, Wyoming
➢ Perfect as a primary compass or a reliable backup for extended fieldwork
| The Brunton 5012 Axis redefines the concept of a transit compass, offering a modern, precise, and highly efficient solution for structural data collection in the field. Designed by geologists for geologists, it enables simultaneous measurements of strike & dip, dip & dip azimuth, and trend & plunge, optimizing both time and accuracy during fieldwork. Thanks to its innovative dual-axis hollow hinge design, the Axis allows measurements on any surface—even on overhangs or ceilings. Its 360° rotating lid on both axes, combined with an automatic needle lock system and multiple visual reference points, makes this compass an essential tool for professionals who demand precision and speed in challenging environments.
SPECIFICATIONS:
➢ Measurement Style: Simultaneous and versatile (Strike & Dip, Dip & Azimuth, Trend & Plunge)
➢ Dimensions: 10 × 7 × 3 cm (3.9" × 2.8" × 1.2")
➢ Weight: 341.6 g (12.1 oz)
➢ Azimuth Scale: ±0.5°, with 1° graduations
➢ Hinge Dial: ±1°, with 2° graduations
➢ Plumb Clinometer: ±0.5°, with 1° graduations
➢ Lid Protractor: ±0.5°, with 1° graduations
➢ Magnetic Declination Adjustment: ±180°
FEATURES:
➢ Patented dual-axis hollow hinge design allows for precise measurements in any orientation
➢ 360° rotating lid on both axes, ideal for measuring on complex surfaces such as ceilings or inclined structures
➢ Simultaneous measurements of strike & dip, dip & dip azimuth, or trend & plunge with minimal adjustments
➢ Integrated sighting tube for direct horizontal and vertical measurements
➢ Multi-function hinge dial, useful both as a clinometer and protractor
➢ Excellent contact and sighting capability, even in difficult conditions
➢ Dual long-level bubbles allow for leveling from both the sides and base
➢ Flat bottom, perfect for low-angle measurements with enhanced stability
➢ Automatic needle lock, ensuring accuracy when the instrument face is not directly visible
➢ High-precision NdFeB magnet, highly resistant to demagnetization
➢ Adjustable magnetic needle, balanced for use almost anywhere in the world
➢ Induction damping allows the needle to settle quickly
➢ Sapphire jewel bearing, ensuring smooth and durable needle movement
➢ Internally sealed components with O-ring for maximum resistance to dust and moisture
➢ Compatible with Jacob’s Staff/tripod ball adapter, suitable for various field configurations
➢ Available in Azimuth (0–360°) and Quadrant (0–90°) formats
➢ Includes protective leather case, ideal for safe transport in the field
➢ Made in the USA, in Riverton, Wyoming
| The Brunton Transit 5020 Compass combines the classic precision of traditional navigation instruments with a modern, rugged design—ideal for professionals in geology, engineering, and demanding fieldwork. It retains traditional strike and dip measurement functions while improving stability for low-angle readings thanks to its flat base and non-slip silicone foot. Its CNC-machined, hard-anodized body ensures durability, while sealed internal components provide enhanced resistance to water and dust. Comes with a high-quality leather case.
SPECIFICATIONS:
➢ Measurement type: Strike & Dip (Bearing and Inclination)
➢ Azimuth scale: 0° to 360°, with ±0.5° accuracy and 1° graduations
➢ Internal clinometer: ±0.5° with 1° graduations
➢ Percent grade scale: 5% increments
➢ Magnetic declination adjustment: ±180°
➢ Dimensions: 7.9 x 7.1 x 3.4 cm (3.1” x 2.8” x 1.3”)
➢ Weight: 195 g (6.9 oz)
FEATURES:
➢ CNC-machined and hard-anodized body for enhanced durability
➢ Flat base with non-slip silicone foot for stable low-angle readings
➢ Alignment mirror for accurate horizontal and vertical angle readings
➢ Long and short sighting arms for precise measurement taking
➢ High-precision NdFeB disk magnet with excellent demagnetization resistance
➢ Induction damping for fast needle stabilization
➢ Sapphire bearing ensures smooth and long-lasting needle movement
➢ Needle lock button for securing or releasing the needle as needed
➢ Sealed internal components with O-ring for superior dust and moisture protection
➢ Compatible with tripod or Jacob’s Staff ball adapter
➢ Comes with a protective leather field case
➢ Available in Azimuth format (0–360°) |
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