OPC-N3 PM2.5 Particle Sensor Schematic Diagram
* PM1 , PM2.5 and PM10
* Reduced power standby mode
* Capability to measure up to 2,000 µ g/m 3
* Onboard temperature and humidity sensor
* SPI interface not included, order code 000-0SPI-00
| OPC-N3 PM2.5 Particle Sensor MEASUREMENT | ||
| Particle range | Spherical equivalent size (based on RI of 1.5, S of 1.65) | 0.38 to 40 |
| Size categorisation | Number of software bins | 24 |
| Sampling interval | Histogram period (seconds) | 1 to 30 |
| Total flow rate (typical) | L/min | 1.2 |
| Sample flow rate (typical) | mL/min | 220 |
| Max particle count rate | Particles/second | 10,000 |
| Max coincidence probability | % concentration at 10 6 particles/L | 0.84 |
| % concentration at 500 particles/L | 0.24 | |
| OPC-N3 PM2.5 Particle Sensor POWER | ||
| Measurement mode | mA (typical) | 175 |
| Standyby mode | mA (typical) | <50 |
| Voltage range | VDC | 4.8 to 5.2 |
| Switch-on transient | mW for 1ms | <5000 |
| OPC-N3 PM2.5 Particle Sensor DATA | ||
| Digital interface/connections | SPI (real-time data and communications) | |
| Micro USB (firmware updates and standalone mode) | ||
| Data storage | micro-SD (.CSV format) (GB) | 16 |
| OPC-N3 PM2.5 Particle Sensor KEY SPECIFICATIONS | ||
| Digital interface | SPI (Mode 1), USB | |
| Laser classification | as enclosed housing | Class 1 |
| Temperature range | °C | -10 to 50 |
| Humidity range | % rh (continuous) | 0 to 95 (non-condensing) |
| Weight | g | <105 |