CW Applied Technology

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UVC (254 nm) Irradiance and Dose Measurements on MUV-XH Mobile Room Sterilizer

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MUV-X room sterilizer

CW Applied Technology offers Design, Manufacture and Distribution services to facilitate successful electronic and in particular, IoT enabled innovations. As well as Product Design, CW Applied Tech are also re-imagining manufacturing to satisfy the demands of an evolving market. Fast time to market with high-end, personalized, client-owned technology solutions is what we see as our key differentiator.

CW Applied Tech were quick to react to Covid-19 crisis and designed and implemented MUV-X room sterilizer. It is a portable sanitizing device which uses four high-output UV-C lamps to emit powerful beams of ultraviolet light, quickly sterilizing the air and all visible surfaces in a room. UV-C has a long history of use in medical facilities, as it inactivates viruses and kills bacteria.

Independent performance verification

Independent performance verification is an important step in product development and commercialisation process. CW Technology has engaged CAPPA in order to verify the performance (irradiance and dose) of their MUV-X room sterilizer.

The irradiance and dose values were measured with UVPAD E spectral radiometer with external fibre coupled sensor head (Opsytec DE) 1. These measurements were taken over 120s time window. Prior to the measurements’ bulbs were warmed up over 120s. For each distance (0.5m, 1m, 2m) 2 measurements were taken (or attempted in case of too low signal): one with sensor head oriented perpendicularly to the plane joining 2 most adjacent bulbs (denoted as orientation ꓕ) and another one with sensor head oriented parallel to the plane joining 2 most adjacent bulbs (denoted as ‖). For each measurement, sensor head was held at half the bulb length.

MUV-X room sterilizer


Irish company


independent performance verification


direct funded project

“We (CW Applied Technology) were happy both with the responsiveness and the quality of work completed by CAPPA. We will definitely be using their services again in the future.”

John O Connell
Managing Director, CW Applied Technology

The CW Applied Technology & CAPPA Technology Gateway partnership

CAPPA’s assistance has been helpful with fast-tracking the commercialization process of the new MUV-X sanitization unit. This was a factor in enabling the quick route to the market in this difficult time.

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