The Spectra Precision AL28M is a rugged and reliable 28x magnification automatic level, purpose-built for elevation control, layout, and construction-grade leveling tasks. Outfitted with a magnetic dampened compensator, the AL28M delivers fast, stable leveling in active environments where jobsite vibrations are common—making it ideal for contractors working near heavy machinery or in high-traffic areas. The AL28M provides 2.0 mm accuracy per 1 km of double-run leveling, ensuring dependable results over long distances. It features a bright 30 mm objective lens, 120' field of view, and stadia lines for estimating distances. With a minimum focusing distance of just 0.60 m (1.97 ft.), it’s equally effective for close-range setups near buildings or grade stakes. Durable construction, dual-side fine motion knobs, and a high-quality optical system make this a solid choice for professionals who need a step up in magnification without sacrificing durability. Key Specifications: Magnification: 28x Accuracy: 2.0 mm (1 km double-run leveling) Dampening System: Magnetic Minimum Focus Distance: 0.60 m (1.97 ft.) Objective Aperture: 30 mm Field of View: 120′ Instrument Weight: ~1.7 kg (3.7 lbs) What’s Included in Each Package AL28M Standard Unit AL28M Automatic Level (Magnetic Dampened) Plumb Bob Adjustment Tools Rain Hood Hard Carrying Case AL28M-2 Eighths Package AL28M Automatic Level Plumb Bob Adjustment Tools Rain Hood GR152 Aluminum Grade Rod (8ths) 5301-27-BLK-SP Heavy-Duty Tripod Hard Carrying Case Air vs. Magnetic Dampened Levels The AL28M's magnetic compensator stabilizes faster and resists jobsite vibrations better than air-dampened models, making it perfect for active construction zones. Air-dampened levels (like the AL24A) provide even finer precision but are best suited to calm, stable environments like survey lines or engineering projects.
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