Richtech DUST-E S
Richtech Robotics · USA · 2024
The small end of Richtech's cleaning line: 26 kg, quieter than conversation, and able to tell carpet from hard floor on its own.
DUST-E S is the compact machine in Richtech Robotics' commercial cleaning line, which the company consolidated from three models (CX, SX and MX) down to two: S and MX. It measures 19.7 by 16.1 by 19.3 inches, weighs 57 lb (26 kg) and cleans up to 8,138 square feet an hour at 1.97 ft/s, running 3 to 4 hours on a charge with a 2-hour recharge. Tanks hold 10 and 15 litres and the machine works below 65 decibels, which is what allows it to run during business hours rather than at night. Its sensor package includes carpet recognition, so the robot changes behaviour when the surface under it changes - the practical difference between a cleaning robot and a floor scrubber on a timer. One figure in the company's own materials does not agree with itself. Richtech's 2024 prospectus describes DUST-E S as suited to spaces below 10,000 square feet, while the fiscal 2025 annual report gives below 100,000. The two documents differ by a factor of ten and the discrepancy is recorded here rather than quietly resolved. No price has been published.
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