Leica GLS12 Telescopic Aluminium Pole

The Leica GLS12 is a professional-grade 2.0m telescopic aluminium surveying pole built for exact precision. Weight-optimised at just 950g, it features dual centimeter graduations, an integrated levelling bubble, and a secure snap-lock system to completely eliminate vertical pole slippage.

Slip-Proof Snap Lock Setup: Employs a positive mechanical snap-locking framework that firmly seats the inner section into place, guaranteeing zero vertical displacement.
optimised Light Weighting: Constructed from a durable yet low-density aluminium composite, bringing the entire unit’s weight down to an agile 950 grams to fight user fatigue.
Leica Precision Spigot Mount: Features a dedicated engineered stub connection at the top, allowing for instant, wiggle-free mounting of smart rovers and 360-degree target optics.
Integrated Plumb levelling Bubble: Fitted with a factory-calibrated circular bull’s-eye vial built into the handle assembly for instantaneous vertical tracking.

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Full Description

The Leica GLS12 is a centerpiece of the Professional 300 Series, purposefully engineered to bridge the gap between lightweight portability and field rigidity. Formed from high-grade structural aluminium, it stands as a reliable detail pole for active layout and data collection routines. The telescopic frame condenses down to a compact 1.39 meters for easy transport in standard utility vehicles and smoothly extends up to a full working height of 2.0 meters, offering complete stability for everyday site environments. Designed with specialised field security in mind, the GLS12 discards standard compression collars in favor of positive-action snap locks. This mechanical alignment system ensures that once your target height is set, vertical slipping is entirely prevented, even under the load of heavy hardware arrays. The pole is capped with a classic Leica precision spigot mount, making it the perfect match for the GRZ122 360-degree prism or dual-frequency GNSS smart antennas. Outfitted with an integrated circular bubble vial and highly legible, wear-resistant centimeter markings, it ensures fast plumb verification and absolute height logging accuracy.

FAQs

What is the minimum transport length of the GLS12?

When fully collapsed for transit or storage, the telescopic sections slide down to a compact minimum length of 1.39 metres.

What is the maximum extension limit of this pole?

The GLS12 safely extends to a maximum height of 2.0 metres, which is clearly marked on the internal graduated section.

When should I choose the GLS12 aluminium pole over the carbon fibre GLS30?

The choice depends on your weight priorities and your primary top connection. The GLS12 is an ultra-lightweight aluminium option optimised with a smooth Leica spigot mount for target prisms. The GLS30 is a lighter carbon fibre model designed from the ground up for GNSS rover setups, incorporating a standard 5/8-inch screw thread top.

Which prism units match with the GLS12 top fitting?

It is primarily designed to snap directly into the Leica GRZ122 360-degree prism, but it accommodates any standard Leica snap-on spigot accessory.

Can I run a standard thread GNSS antenna on this pole?

The pole uses a smooth Leica spigot stub rather than a 5/8-inch thread; to mount threaded antennas, you will need to clip on a standard Leica stub-to-thread adapter.

Are the height markings on the pole graduated in metric or imperial?

The internal extension rod is fully marked with clear, wear-resistant centimetre graduations for rapid visual depth and height configuration.

How does the lock system differ from the twist-lock style?

The GLS12 uses physical snap-lock pins that click into designated height positions, ensuring the pole cannot compress or slip down under weight.

Is the circular bubble vial adjustable if it takes an impact?

Yes, the bubble housing features localized adjustment screws, allowing you to re-align the bubble back to true plumb using a simple field calibration test.

What series classification does this accessory fall under?

The GLS12 belongs to Leica’s Professional 300 Series, meaning it is rated to deliver reliable 3mm positioning accuracy across extreme conditions from -20°C to +50°C.

Is the metal tip at the base replaceable?

Yes, the hardened steel ground point is designed to be removed and replaced once it becomes worn down from contact with rock and asphalt.