Topcon RL-H5A

The Topcon RL-H5A is a reliable self-levelling rotating laser built for accurate height control on construction and groundworks sites. With long-range capability, straightforward setup and a durable site-ready design, it supports consistent levelling and grading work across demanding projects.

800m Long-Range: Massive 2,600 ft diameter coverage for large-scale site grading.
Superior Accuracy: Electronic self-levelling within ±1.5mm at 30m for critical benchmarks.
Manual Slope Mode: Fast, intuitive single-axis gradient settings for drainage and ramps.
All-Weather Tough: IP66 rating resists dust and torrential rain in harsh environments.
5-Year Warranty: Industry-leading factory guarantee with up to 100 hours of battery life.

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Adding one of these to your enquiry?

5m 5 Section Aluminium Levelling Staff

Promax Heavy Duty Fiberglass Survey Tripod

Topcon LS-100D

FAQs

What is the “Safety Lock” or High Alert feature on the RL-H5A?

If the laser is disturbed, bumped, or if the tripod settles, the RL-H5A automatically stops rotating and alerts the operator via the receiver. This prevents incorrect readings after a disturbance, saving you from expensive remedial work caused by height errors.

How long will the RL-H5A run on a single charge during a busy week?

The laser offers up to 60 hours of continuous use with the rechargeable Ni-MH battery pack, or up to 100 hours using standard D-cell alkaline batteries. This dual-power flexibility ensures your site stays productive even if you forget to charge the unit.

What is the benefit of the LS-100D Digital Receiver when used with the RL-H5A?

Pairing with the LS-100D digital receiver provides a millimetre readout, showing exactly how many millimetres you are above or below target grade. This detail is a massive advantage for precision concrete finishing and sub-base levelling, allowing for faster height transfers.

How does the Topcon RL-H5A handle site vibrations from heavy plant?

The RL-H5A uses high-speed electronic self-levelling motors designed to stay locked on level even in high-vibration environments. This makes it more stable than older pendulum-based lasers, making it the preferred choice for engineers working on active road projects.

What should be included in a professional Topcon RL-H5A laser kit?

A standard setup includes the RL-H5A transmitter, a digital or long-range receiver, a rechargeable battery kit, and a rugged carry case. We also recommend a heavy-duty tripod and a 5-metre telescopic staff to ensure a complete, ready-to-work solution.

What makes the Topcon RL-H5A a leading choice for large-scale UK construction projects?

With an 800-metre working diameter and accuracy of ±1.5mm at 30m, it is ideal for large-scale site grading and foundation work. Its electronic self-levelling system ensures that even on the largest footprints, your levels remain pinpoint accurate.

How does the RL-H5A simplify the process of setting slopes and gradients?

The RL-H5A features an intuitive manual single-slope capability, allowing operatives to easily set a grade for driveways or drainage by tilting the laser plane. The self-levelling motors then monitor the axis to ensure the slope remains consistent.

Can I hire the Topcon RL-H5A for specific project phases?

Yes, the RL-H5A is available in our hire fleet. Hiring allows your team to use the latest Topcon technology without capital expenditure. Every kit is dispatched fully checked and calibrated, complete with a receiver and tripod for immediate use.