OPTICAL PARTICLE COUNTING SENSOR MBRTU-OPC Item code: MBRTU-OPC-02I Description: Internal Sensor module for measuring outdoor PM1.0, PM2.5, and PM10; Modbus output. Used for: MAQM SENSOR SPECIFICATION MEASURING SPECIFICATION Measuring technology Laser light scattered method for PM1.0, PM2.5 and PM10 Particle range 0.3 to 12.4 um Detection limit (PM10) 0.01 ug/m3 to 1500 mg/m3 Resolution 0.01 ug/m3 Accuracy +/- 10% of Reading value Sample flowrate 240 mL/min Laser Classification Class 1 Power supply 9..36VDC, max 30mA