Smart Sensor

Real-time multi-item
water quality monitoring sensor

UnU Smart Sensor with advanced optical technology is
a sensor that measures organic substances and nutrients
in wastewater in real time without using chemicals.
Start using smart sensors to monitor water quality events
and automate processes to operate
highly flexible water treatment plants and reduce costs.

Korea's first excellent technology recognized by the Korean government

Core Technology
  • Real-time optical sensor design and manufacturing for simultaneous measurement of multi-parameter water quality of multi-wavelength UV/IR absorbance, water temperature and conductivity.
  • Data analysis, multivariate regression, and real-time simultaneous analysis technology for organic substances and nitrogen in wastewater and water treatment plants using ANN.
  • Sensor structure design and automatic cleaning technology to prevent contamination of sensor optics due to impurities and suspended solids.
Major Achievements
  • Innovative Product Selection (2021), Ministry of Environment
  • Green Technology Certification (2022), Ministry of SMEs and Startups
  • NEP Certification (2021), CE Certification (2022)
  • Designation as Excellent Procurement Product (2022)
  • Selected as one of the 100 National R&D Excellence Achievements in 2022 (Ministry of Science and ICT)
  • Global Top Environmental Technology Development Project Star Technology Best Technology Selection (2021, Ministry of EnvironmentㆍKorea Environmental Industry & Technology Institute, Minister of Environment Award)
Procurement Excellent Product Certification
Designation No. 2022034
New product certification
Classification No. 41113319
Innovative Product Certification
Certification No. 2021–452
Other achievements
  • Achieved 95% localization rate (possession of original technology)
  • 5 patents related to measurement methods
  • ISO 9001:2015, CE quality certification
  • Successful performance sharing system by Korea Environment Corporation (within 10% relative accuracy of TOC in real-time))
  • Successful test bed support project in Seoul (water quality in sewer pipe) Within 15-20% relative accuracy by item)
  • Successful analysis of field demonstration projects in Seoul, Samsung, SK, etc.

Harnessing Light to Measure Water Quality

Ultraviolet/Visible/Infrared absorbance measurement

    Excellent Precision
  • (within 5% measurement error based on standard material)
    Simultaneous measurement of multiple categories within 1 second with a single sensor
  • TOC, TCODCr , TCODMn , TBOD, TSS, T-N, T-P, electrical conductivity, water temperature and more
    Green Technology
  • Reagent-free, long lamp life
    Minimize power consumption
  • up to 2.5W

Sustainable Continuous Measurement

The smart sensor can be installed directly in various water quality environments and provides a high-durability design for continuous measurement, an automatic cleaning device for optics, and an automatic calibration function.

  • Water Resistance: 30M (approx. 3 bars)
  • Cleaning of the optical lens using brush, blade, and compressed air
  • Unaffected by TIC (Total Inorganic Carbon) interference
  • Beer Curve correction at high concentration levels
  • Auto correction of matrix affected by turbidity
  • Selection of sensor material considering corrosion and chemical resistance
  • Automatic correction of water temperature effect

Building big data through field application more than 6,000 times

  • Verification in various sites including wastewater and water treatment plants, water supply and sewage pipe networks, rivers, reservoirs, etc.
  • Establishment of smart sensor self-production and quality test environment.

Smart sensor cloud service

The smart sensor can monitor measured values ​​anywhere in the world in connection with UnU cloud service.

  • View and download sensor readings
  • Sensor abnormality detection using artificial intelligence
  • Alarms sent via text message, email etc.
  • Can be used without downloading software (on the web)
  • Authenticated user access
  • Cloud service provided as a monthly subscription

Accessory

We provide various accessories to maintain smart sensor performance.

  • Compressed Air Cleaning Device
  • Brush Cleaning Device
  • Optical Part Cleaning Device
  • Sensor Communication Cable
  • Data Logger
    • Data transmission to cloud server using wireless communication network (WCDMA).
    • Multiple smart sensor data collection and remote transmission using short-distance wireless communication network.
    • Durability and performance verification in various sites (sewage and wastewater treatment facilities, mountainous areas, etc.).
    • Open protocol support (Modbus, open dedicated communication).

Delivery and contract signing to public institutions, large corporations, and small and medium-sized enterprises

  • Samsung Engineering
  • SK energy
  • SK Eco Plant
  • GS Caltex
  • LG Energy Solution
  • POSCO E&C
  • Pulmuone
  • Korea Water Resources Corporation, and many local governments

Delivery area | Seoul City, Busan City, Daejeon City, Pocheon City , Gimje City, Yeoju City, Cheongju City, National Water Industry Cluster, etc.
Measurement target | Wastewater treatment process, water treatment process, sewage pipe, return water, river, etc.

Start Optimizing Your Process.