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
