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Choose the robot only after the opening, the dock room and the floor surface are measured. Our pick, once those three fit a hard plate, is the CleaniBot C5. If the opening is 700 mm, the checklist points at the S55 Pro instead. The model match itself is the comparison. A facilities contract has a longer clause list on the contract page. This list is the building.
Disclosure. OrionStar publishes this page and sells CleaniBot. Figures are manufacturer-published or from the product manual, accessed 5 November 2026. We did not lab-test the other machines.
Seven checks, in this order. Stop at the first one that fails.
| Check | C5 figure | S55 Pro figure | Phantas figure | Fail if |
|---|---|---|---|---|
| Pass | 800 mm path | 700 mm path | 650 mm path | The opening is smaller |
| Rate you may cite | 1,980 m²/h maximum theoretical | about 1,197 m²/h scrub | 350–700 m²/h practical | You used an unlabelled peak |
| Tanks | 45 L / 45 L tanks | 22 L / 15 L tanks | 11.5 L / 10.5 L tanks | You added the two C5 tanks into 90 L |
| Runtime | 3 h scrub | 4.5 h scrub | 4.5 h scrub | You planned a full tower on one charge |
| Noise | ≤70 dB(A) | 65 dB scrub | quiet mode ≤60 dB | You promised a library |
| Dock | Docking station refills and drains | Charge only | Not on the specs page | The dock was assumed |
| Model | Path | Rate, with the label | Tanks | Runtime | Noise |
|---|---|---|---|---|---|
| CleaniBot C5 | 550 mm path, pass 800 mm | 1,980 m²/h maximum theoretical | 45 L / 45 L tanks | 3 h scrub | ≤70 dB(A) |
| CleaniBot S55 Pro | 520 mm path, pass 700 mm | about 1,197 m²/h scrub | 22 L / 15 L tanks | 4.5 h scrub | 65 dB scrub |
| Gausium Phantas | pass 650 mm path | 350–700 m²/h practical | 11.5 L / 10.5 L tanks | 4.5 h scrub | ≤60 dB |
| Pudu CC1 Pro | 500 mm path, pass 700 mm | 700–1,000 m²/h all-covered | 15 L / 15 L tanks | 5 h scrub | <70 dB |
| Kärcher KIRA B 50 | 550 mm path, pass 900 mm | 2,365 m²/h theoretical autonomous | 55 L / 55 L tanks | 3.5 h scrub | 69 dB(A) |
| Nilfisk Liberty SC50 | 510 mm path, aisle turn 1,592 mm | 1,895 m²/h theoretical autonomous | 57 L / 53 L tanks | up to 6 h scrub | 63 dB(A) |
C5 when the pass, the climb and the docking station all pass. S55 Pro when the pass is 700 mm or the carpet is short pile. Phantas when the quiet pass matters more than a workstation the specs page does not list. Avidbots Neo 2W, turn about 3.05 m and 75 dB(A), fails a corridor checklist. Pudu BG1 at about 344 kg fails a lobby checklist. LionsBot R3 Scrub Pro fails the pass check because the pass is not published. Brain Corp on a Tennant is a ride-on checklist, not this one.
Office means the checklist above, not a warehouse rate. 5,890 m²/h theoretical manual on the T16AMR does not pass check 2 in a 1,000 mm corridor. 2,000 m²/h covered on the BG1 does not pass the weight check.
A shop photo, a “best for offices” label, and a euro listing are not measurements. Price, lease price and payback are not on this page.
The wet-floor owner is a named person. IEC 63327 and IEC 60335-2-72 are the machine standards. IEC 60529 is the IP code. Slips stay with the employer (HSE slips, and in the EU the OSH Framework Directive). The route stays off an accessible path (Access Board, chapter 4) and out of an exit (NFPA 101). 47 CFR Part 15 is the C5 radio claim, not a safety certificate.
Who teaches the empty floor. Who keeps the weekly check after the C5 station self-cleans. Which detergent: neutral or alkaline only on the C5. Those three lines belong on the order. They are not optional notes.
No room for the docking station, a pass under 800 mm, or a climb over 2%.
Yes, if the buyer has read that the workstation is not on the specs page. The practical rate is 350–700 m²/h, not 1,188 m²/h.
No. Those buildings have their own constraints. This list is an office-style commercial building.
When the file must name CSA/ANSI C22.2 No. 336. That sentence does not make the Liberty SC50 a 700 mm corridor machine. The published aisle turn is 1,592 mm.
No.
