Introducing DiSa - The UV-Disinfection Robot
The DiSa Ultra Violet (UV) Disinfection Robot is an autonomous disinfection robot foroffices, banking halls, building lobbies, hospitals, production lines, schools and other high touch points premises. The robot is designed as a supplement to the existing cleaning cycle with the aim of reducing the spread of infectious diseases, viruses, bacteria, and other types or harmful organic microorganisms.
UVC light disinfection technology eliminate pathogens, such as:
  • Clostridium difficile (C.diff)
  • Staphylococcus aureus
  • Methicillin-resistant Staphylococcus aureus (MRSA)
  • Vancomycin-resistant Entercoccus faecailis (VRE)
  • Norovirus

the UaV-2

in the news

in action

  • Office Spaces, Trains, Bathrooms, and more
  • High Kill Rate

Our Solution vs. other UV-Disinfection Robots

DiSa Robotics is an automation company andhence our robots are designed to cater for a wide variety of usages apart from disinfection. Our robots are modular in design. Robots do not need to rest. Our robots can be purpose fitted to be used for disinfection in the night. In the day, the same robot can be purposed fitted to disseminate information, take  temperature or perhaps fog disinfectant to places that are difficult to access. We design our robots with flexibility, mobility and ability to autonomously position themselves in relation to its surroundings.

There are several different disinfection robots in the marketsthat uses Laser and Lidar (Light Detection and Ranging) to navigate the surroundings. In addition to Laser and Lidar, our robots also use ultrasonic and visual cameras to navigate. These additional sensors provide our robotswith more ‘eyes and ears’ and hence more intuitive.

Safety features are paramount in our robots as compared to others. Besides the standard emergency stop button found in other disinfection robots, our robots have another layer of safe distancing feature. When humans are detected within a 5m range, the UV lights will be auto cut off. This is made possible with the infra-red sensors built-in. The camera feature also allows the operator to remote view the surrounding whenobstacles or humans are detected. Corrective actions can then be taken.

Another important feature is the size of our robots compared to those found in the market. Our robot base is only 540mm x 610 mm and the total height is only 1200mm. It is designed to be nimble in size so that it can be navigated in most tight spaces. Though nimble in size, it carries a powerful punch in features. The robots working battery life is 90 to 150mins with a full load of 450W UV-C lights.

 Fully Autonomous. Some of the UV Disinfection units in the market are passive. The solution rely on being carried around and are in no way autonomous in their use, meaning they disrupt the workflow of the cleaning staff. Also using a non-autonomous solution, there is a significant waste time setting up and transporting the unit per disinfection. The functional difference between our robot and the competitors is its ability to autonomously drive around and position itself optimally in relation to the infection hotspots, for example, on a bed. Because of these technological improvements, our UV Disinfection robot can achieve a higher disinfection efficiency and has a lower impact on the cleaning staff’s workflow.

Our robots are designed with easy and low maintenance in mind. Every parts are detachable and modular which make maintenance and troubleshooting a breeze.

Image of UV sanitation product DiSa UV Disinfection Our Competitors in the Market
Design For Multipurpose Usages Yes Single Purpose Only
Multi-sensors Laser, Lidar, Ultrasonic, Camera, Infra-Red Laser, Lidar
Navigate Tight Space Yes. Nimble Power House No. Big, Heavy and Bulky
Fully Autonomous Yes Only Some Solutions
Easy Maintenance Very No
Certified and Tested By TUV Rheiland Not Always
Image of UV sanitation product DiSa UV Disinfection Our Competitors in the Market
Design For Multipurpose Usages Yes Single Purpose Only
Multi-sensors Laser, Lidar, Ultrasonic, Camera, Infra-Red Laser, Lidar
Navigate Tight Space Yes. Nimble Power House No. Big, Heavy and Bulky
Fully Autonomous Yes Only Some Solutions
Easy Maintenance Very No
Certified and Tested By TUV Rheiland Not Always

Tech SPecs

Image of UV sanitation product

Max Speed:  5.4 km/h

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Battery Charging Time: 3 hours

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Total Weight: 50 Kgs

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Dimensions: L: 93 x W: 66 x h: 171 (cm)

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Operating Time: 2 – 2.5 Hours

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Disinfection Coverage: 360 degrees

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Disinfection Time: 10- 15 min. pr. room

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Data Log : Video recordings/ Path recordings

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Connectivity: Wireless (Wi-Fi based)

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UV-Wavelength: Charging Requirements: Safety:  253.7 nm (UV-C rays) 110-240 VAC, 50 Hz, 6 Amps Software & Sensors Based Emergency Stop Button

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Frequently Asked Questions

UV specs

Based on a 75W UVC lamp, the effective ‘kill’ distance is about 1.5m. Hence if we mount 8-6lamps in a circle, we can achieve a kill radius of 1.5m. There are more powerful lamp (100W) where the radius can be extended to 3m. However, we’ll trade off on the robot’s battery life. 

The UVC lamp is ozone free. The lamps utilize a doped fused quartz that blocks the emission of 185nm energy (ozone generating) and only allows the 254nm energy to pass thru.

We have not done any test on ozone being an effective disinfectant. However, there are many articles in the internet where the use of ozone gas as a disinfectant are discussed and debated. One such article is:

UV-C disinfection has been clinically proven to eliminate bacteria and viruses for 40 years. It has been used mainly to disinfect drinking water and sewage plants from E. coli. A specific wavelength of 254 nanometers is known to have germicidal effects.

Around 10 years ago, hospitals ihave started applying manual UV-C systems. These systems have disadvantages because UV-C light is limited by certain factors. Because of the shadow effect on the backside of obstacles, it’s very important to go all over the room and cover all angles. The germicidal effect of UV-C light is also limited by distance from the source — intensity is guided by the inverse square law. The higher the power level, the shorter the time to disinfect.

The robots autonomously repositions itself close to surfaces. There is no lingering radiation — if you disinfect a small room, it takes 12 to 15 minutes.

The minute the lights switch off, someone can immediately enter the room. When you enter the room, you’ll smell ‘burned’ odor. The smell in the room is the burned particles of skin and hair in the air

Yes, there are low level of mercury in the lamps. See the Philips UV lamps catalogue :


The robots are maintained every quarterly. Besides the usual wear and tear,there will also be firmware upgrades. We usually sign a quarterly maintenance contract with the customers.

The commercial sale and purchase contract will includes maintenance and support. Most parts will be covered by the 1year warranty with exception tothe consumable parts. We can also offer a leasing model instead of a directpurchase.

When the robot’s UV lamps in operation, the effective disinfection radius range also covers the robot body and hence self-disinfect itself.

Depending on models, the dock stations are different. As a guide, the size is no bigger than a desktop computer. Multiple robots can use the same docking station.


The navigation of the robot is based on simultaneous localization and mapping, SLAM. Once the map and the route is generated, the robot will move on its own grid.

We are not aware of any security concerns. The robot does not store any info other than the map that is loaded. The map is also not a blueprint of the building but rather a laser guided map with no sensitive info.


DiSa Robotics is an automation company. Automomous Guided Vehicle or AGV has been in the martket for several years. It is mainly used in labour intensive operations to ease the work load. With Covid19 pandamic spreading like wild fire, we’ve been asked by our customers to develop a robot that can disinfect an area automatically and supplement the manual cleaning process. Pathagens are invisible, there is no way to accertain acleaner has thoroughly disinfect an area. Humans are also prone to errors while a robot will not.

The UV Disinfection Robot could also work in hotels, offices, malls, bankinghall and the security-check areas of airports.

Yes definitely. Our robots are modular. Robots do not need to rest and sleep.We can use the robots to distribute informations, temperature monitoring at entrance in the day. In the night we deploy it to disinfect the premises.


Phone: +65 6751 2069
Address: 438a alexandra road alexandra techno park block a, lobby 3, #08-12 singapore 119967
global headquarters are located in singapore, with us offices in minneapolis, bentonville, seattle and phoenix along with offices in asia located in taiwan, china, korea, and japan.