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Brunton Granulometric Scale Grain Size Card

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.

Description

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

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DescriptionBrunton 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.The Brunton Lite Tech 8×22 Monocular offers 8x magnification and multi-coated optics with BaK-4 prisms for sharp, bright images. Compact, lightweight, and ergonomic, it's perfect for outdoor observation, sports, or everyday activities. It fits easily in your pocket and can be comfortably operated with one hand.Geotechnical Soil Plastic Gauge Card for fieldwork, featuring grain size scales, USCS, color charts, and rulers in cm and inches. Ideal for geologists, engineers, and soil technicians.The Brunton Echo 7×18 Monocular combines portability and quality optics in a compact design. With 7x magnification, multi-coated lenses, and a BaK-4 prism, it delivers sharp images even at close range. Ideal for hiking, sports, or field use, it fits in your pocket and can be easily operated with one hand.The Brunton Ball & Socket Mount provides stable, tripod-based support for Brunton Transit compasses, allowing precise azimuth and inclination measurements. Its durable, non-magnetic design ensures accuracy in field conditions—ideal for geologists and surveyors.The Brunton Get-Back Mini GPS is a compact and easy-to-use locator designed to guide you back to up to three saved locations using a directional arrow. It offers high accuracy, a backlit digital display, and up to 13 hours of rechargeable battery life. Perfect for hiking, fishing, and outdoor activities.
ContentThe 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 measurementThe Brunton Lite Tech 8x22 Monocular combines power, portability, and optical clarity in a compact and ergonomic design. Thanks to its high-quality BaK-4 prisms and multi-coated optics, it delivers sharp and clear images, ideal for hiking, sporting events, or field studies. Its compact design fits easily into your pocket, and the ergonomic structure offers comfort when held with one hand. With a close focus of 3 meters, it is a practical and versatile tool for everyday outdoor use. SPECIFICATIONS: ➢ Brand: Brunton ➢ Model: Lite Tech 8x22 ➢ Magnification: 8x ➢ Objective diameter: 22 mm ➢ Prism type: BaK-4 ➢ Close focus: 3 m (10 feet) ➢ Eye relief: 12 mm ➢ Exit pupil: 2.4 mm ➢ Dimensions: 3.3 x 8.4 cm ➢ Weight: 57 g ➢ Included accessories: Cleaning cloth, wrist strap, protective case FEATURES: ➢ Bright and clear image thanks to multi-coated optics and BaK-4 prisms ➢ Ergonomic design for a comfortable and secure grip ➢ Compact and lightweight: fits in any pocket ➢ Ideal for outdoor observation, sports, and everyday use ➢ Includes case and wrist strap for safe transportThe Geotechnical Soil Plastic Gauge Card is an essential technical tool for fieldwork in geotechnical engineering. Made from flexible, waterproof plastic, this card offers a wide range of visual and metric references that facilitate in situ soil classification and analysis. It includes grain size scales from coarse sand to silt, a roundness chart, percent composition graphs, the Unified Soil Classification System (USCS), common soil colors, and compaction classifications for soils and sands. Additionally, it features both centimeter and inch rulers. A nylon cord is included for convenient carrying in demanding field conditions. Ideal for geologists, civil engineers, and soil technicians.The Brunton Echo 7x18 Monocular delivers impressive optical performance in a compact and portable design. It is equipped with multi-coated lenses and high-quality BaK-4 prism glass, which provide bright, sharp, and clear images—even at a close focusing distance of just 33 cm. Its 7x magnification with an 18 mm objective lens is ideal for quick and precise observation during outdoor activities, hikes, sports events, or field studies. Ergonomically designed for comfortable one-handed use, it fits easily in your pocket, making it an essential companion for adventurers and observers. SPECIFICATIONS: ➢ Brand: Brunton ➢ Model: Echo 7x18 ➢ Magnification: 7x ➢ Objective diameter: 18 mm ➢ Prism type: BaK-4 ➢ Minimum focus: 33 cm (1.1 feet) ➢ Eye relief: 12 mm ➢ Exit pupil: 2.6 mm ➢ Dimensions: 3.3 x 8.4 - 10.7 cm ➢ Weight: 51 g ➢ Included accessories: Cleaning cloth, wrist strap, protective case FEATURES: ➢ Bright and clear image thanks to multi-coated lenses and BaK-4 prisms ➢ Ergonomic design for a comfortable and secure grip ➢ Ideal for field use, hikes, sports events, and more ➢ Pocket-size, perfect to carry anywhere ➢ Includes case and strap for safe transport and storageThe Brunton Ball & Socket mount is an essential accessory for users seeking greater stability and precision when taking measurements with Transit-style compasses. Specifically designed for Brunton models, this mount allows the compass to be securely attached to a tripod or monopod, enabling highly accurate azimuth and inclination readings without magnetic interference. Its compact and durable design, made from non-ferromagnetic materials, makes it ideal for geologists, surveyors, and field professionals who require maximum accuracy in demanding environments. SPECIFICATIONS: ➢ Materials: High-strength aluminum and brass ➢ Thread type: Standard 1/4" – 20 (compatible with most tripods and monopods) ➢ Compatibility: Exclusive for Brunton Transit compasses ➢ Function: Ball-and-socket mount for free orientation and inclination adjustmentBrunton Get-Back Mini GPS is a compact and reliable device, designed to help you return to your starting point via the shortest and most direct route possible. You can save up to three different locations, and the device will guide you back using a directional arrow on its digital screen, indicating the distance in miles or meters. Ideal for outdoor activities, this GPS ensures that you never lose your way back. SPECIFICATIONS: ➢ Accuracy: ±3.6 m (12 feet) in normal GPS mode ➢ Waypoint capacity: Up to 3 saved locations ➢ Display: Digital with blue backlight ➢ Signal strength indicator and battery life function ➢ Self-calibrating digital compass ➢ Battery: Rechargeable, up to 13 hours of continuous use ➢ Charging: USB cable included / Compatible with Brunton SyncTech (solar panels or power packs) ➢ Arrival notification: Within 9 m (30 feet) of destination FEATURES: ➢ Ultra-compact and easy-to-use design ➢ Intuitive directional guidance via arrow ➢ Distance display in meters or miles ➢ Ideal for hiking, hunting, fishing, and exploring ➢ Quick return function with high precision
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