Shown below is an all-in-one weather station supplied by OTM for weather and air quality monitoring.

The system consists of the following components:
- HD52.3DP17 ultrasonic anemeter: for wind speed, wind direction, temperature, humidity and solar irradiance measurement.
- PMsense particulate matter transmitter: for PM1.0, PM2.5 and PM10 measurement
- HD33MT.4 data logger: with 4G connectivity
- Solar panel and tripod
The system is fully integrated and completely independent. The data are uploaded to Delta Ohm cloud every 2 minutes. OTM also provides 2-year maintenance services to the instruments.