PMsense Archives – OTM Solutions Pte Ltd

All-in-one weather station for weather and air quality monitoring

chen.fz@otm.sg Instrumentation 11/10/202107/05/2022anemometer, Delta Ohm cloud, PMsense, weather station 0 Comment

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.

Particulate matter (PM1.0, PM2.5 & PM10) measurement with PMsense and wireless data logger

chen.fz@otm.sg Instrumentation 12/07/202107/05/2022Delta Ohm, Particulate Matter, PM2.5, PMsense, wireless data logger 0 Comment

A system was integrated by OTM for construction site particulate matter (PM1.0, PM2.5 & PM10) measurement, with the following components:

Delta Ohm PMsense-M particulate matter transmitter with MODBUS-RTU output
Delta Ohm HD35EDW-MB wireless data logger supporting MODBUS-RTU output

Listed below are the key specifications:

PM measuring principle: laser scattering
Calibration certificate can be provided on additional cost
Measuring range: 0 – 1000 μg/m³ for each component
IP67 protection for both transmitter and data logger, suitable for outdoor installation
Wireless connection between data logger and base unit