OPC-N3MEASUREMENT |
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 |
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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 |
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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 |
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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 |