3D Laser Scanner Buying Guide

There are five Leica scanners most buyers end up choosing between, and the right one depends less on the specification sheet than on what you scan and what you have to hand over at the end. Datum Tech Solutions is an authorized Leica Geosystems dealer — our own crews run these instruments in the field every week, so what follows is what we tell customers on the phone.

Which 3D laser scanner fits your work

  • Leica BLK360 — the smallest and simplest. One button, sets up in seconds, light enough to carry all day. Best for interiors, as-builts, renovation surveys, and anyone new to scanning.
  • Leica RTC360 — the workhorse. Two million points per second and automatic registration in the field, so you leave site knowing the data is good. This is what most construction and reality-capture crews buy.
  • Leica ScanStation P30 / P40 / P50 — long range and the highest accuracy we sell. The P50 reaches beyond a kilometre. Built for plant, infrastructure, mining and monitoring work where tolerance is tight and the target is far away.
  • Leica BLK2GO — handheld and mobile. You walk the space and it builds the point cloud as you go. Ideal for large interiors, multi-floor buildings, and anywhere a tripod slows you down.
  • Leica BLK3D — a handheld imager that takes measurable photographs. Not a replacement for a scanner, but very good for verification and quick field dimensions.

Range, accuracy and speed — what actually matters

Most buyers over-index on maximum range. In practice the question is how far you can shoot and still hit the accuracy your deliverable needs. A BLK360 is exceptional inside a building and out of its depth across a refinery. A P50 is unnecessary for a tenant fit-out.

Capture speed matters more than people expect, because it decides how many setups you complete in a day. On a large site the faster instrument often pays for itself in labour before it pays for itself in anything else.

Start from the deliverable and work backwards. A point cloud for clash detection, a Revit model at LOD 300, a volume calculation for earthworks, and a court-ready forensic record all imply different tolerances — and therefore different instruments.

Buy, rent, or have us scan it

Not every project justifies owning a scanner. There are three routes:

  • Buy — makes sense once scanning is a regular part of your work. New and certified used units both come with training and calibration support. See scanners for sale.
  • Rent — the right call for a single project, a seasonal peak, or trying an instrument before committing. See rental options.
  • Scanning as a service — we send a crew and deliver the finished data. Often the cheapest option if you need scanning a few times a year. See scanning services.

What determines the cost

There is no single sticker price, and anyone quoting one without knowing your project is guessing. What moves the number:

  • Range and accuracy class — a long-range survey-grade instrument and a compact imaging scanner are different tools at very different price points.
  • Capture speed — faster instruments cost more up front and save labour on every setup, which is why utilisation matters more than list price.
  • Software — registration and modelling licences are a real part of the total, and some are subscription rather than perpetual.
  • Training and calibration — budget for both. An uncalibrated instrument produces data you can't defend.
  • New or certified used — used units are serviced, calibrated, and meaningfully cheaper.
  • Buying versus renting — below a certain number of project days a year, renting wins outright. We'll do that maths with you honestly, even when the answer is that you shouldn't buy.

Certified used scanners

We take trade-ins and resell them serviced and calibrated. Used inventory moves quickly and isn't always listed — check current used stock, or call and we'll tell you when something comes in.

Still not sure?

Tell us what you're scanning, how often, and what you have to deliver. We'll tell you which instrument is right — including when it's the cheaper one, and including when you shouldn't buy at all. Request a quote or talk to our team.