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

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
Left: PMsense-M, right: HD35EDW-MB
Software screenshot

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