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Pick what you need to inspect to see which category fits. Still not sure? Ask us. Helping you choose is part of the service.
Find the best fit for your job
Best fit for tanks & vessels
Collision-tolerant drones
Large, enclosed volumes with a single entry point. A caged drone can be flown in through the manway to look at walls, roof and floor without anyone going inside first.
Explore drones
Also consider
Robotic crawlers
Useful for the pipework and smaller connected lines leading into or out of the vessel.
Explore crawlersCompare
Side by side.
How the three categories differ. The column for your chosen job is highlighted.
| Attribute | FlyCollision-tolerant drones | DriveRobotic crawlers | PushPush rod cameras |
|---|---|---|---|
| Best for | Large enclosed spaces: tanks, vessels, silos, boilers, big voids | Long horizontal runs: sewers, pipelines, ducts, culverts | Small bores and tight access: drains, small pipes, flues, cavities |
| How it moves | Flies, with a protective cage that can touch surfaces | Driven on wheels or tracks, tethered to the surface | Pushed by hand on a semi-rigid rod from a reel |
| Operated from | Entry point or outside the space | Outside the space, at the access point | The access point, often one person |
| Set-up | More planning; pilot training recommended | Moderate: control unit, reel and crawler | Quick: carry, connect, push |
| Price | Price on request | Price on request | Price on request |
Fly
Collision-tolerant drones
- Best for
- Large enclosed spaces: tanks, vessels, silos, boilers, big voids
- How it moves
- Flies, with a protective cage that can touch surfaces
- Operated from
- Entry point or outside the space
- Set-up
- More planning; pilot training recommended
- Price
- Price on request
Drive
Robotic crawlers
- Best for
- Long horizontal runs: sewers, pipelines, ducts, culverts
- How it moves
- Driven on wheels or tracks, tethered to the surface
- Operated from
- Outside the space, at the access point
- Set-up
- Moderate: control unit, reel and crawler
- Price
- Price on request
Push
Push rod cameras
- Best for
- Small bores and tight access: drains, small pipes, flues, cavities
- How it moves
- Pushed by hand on a semi-rigid rod from a reel
- Operated from
- The access point, often one person
- Set-up
- Quick: carry, connect, push
- Price
- Price on request
Get a quote
Tell us about the job.
Describe the space, the access point and what you need to see. You’ll get a recommendation and a tailored proposal.