- Week technology ltd
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Shenzhen, Guangdong, China
- Main products: Gas Sensor, Temperature Sensor, Humidity Sensor, Pressure Sensor, Ultrasonic Sensor, UV Sensor, Wind Speed sensor, Liquid Level Sensor
Home > Products > Gas sensor > OPC-N2 PM2.5 Particle Monitor
OPC-N2 PM2.5 Particle Monitor
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Product Details
| Brand Name | Alphasense | Place of Origin | United Kingdom | |
| Model Number | OPC-N2 | Usage | Gas Sensor |
Product Description
OPC-N2 Alphasense PM2.5 Particle Sensor Description
Alphasense is dedicated to supplying sensors for air quality networks. Increased awareness of the health danger from particulates has raised significantly the importance of monitoring PM. Our Optical Particle Monitor OPC-N2 measures PM1, PM2.5 and PM10, augmenting our range of gas and VOC sensors for indoor and urban air quality monitoring.
The OPC-N2 originated from research at the Centre for Atmospheric and Instrumentation Research, University of Hertfordshire and has subsequently been developed and refined with five years of Alphasense and UoH collaboration, including the capture of more than 150 million readings at Heathrow airport.
The OPC-N2 measures particles from 0.38 micron to 17 micron diameter accurately, repeatedly, and with minimal maintenance using the patented ‘pump-less’ design. A proven technology, the OPC-N2 provides both PM readings and real time particle size histograms, competing in performance with existing analytical units but at a fraction of the cost.
* Micro USB socket allows on-site firmware updates
* Onboard data logging using optional 16GB SD card: 12 months' capture
* SPI control of fan and laser for lowest power
* Factory set:
particle size
particle density/Total RI
bin weighting for respirable profiling
| OPC-N2 Alphasense PM2.5 Particle Sensor MEASUREMENT | ||
| Particle range | Spherical equivalent size (based on RI of 1.5) | 0.38 to 17 |
| Size categorisation | Number of software bins | 16 |
| Sampling interval | Histogram period (seconds) | 1.4 to 10 |
| 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-N2 Alphasense PM2.5 Particle Sensor POWER | ||
| Measurement mode | mA (typical) | 175 |
| Laser on, fan off | mA (typical) | 95 |
| Voltage range | VDC | 4.8 to 5.2 |
| Switch-on transient | mW for 1ms | <5000 |
| Alphasense PM2.5 Particle Sensor OPC-N2 DATA | ||
| Digital interface/connections | Micro USB (progamming), SPI (data) | |
| Data storage | micro-SD (.CSV format) | 16GB |
| OPC-N2 Alphasense PM2.5 Particle Sensor KEY SPECIFICATIONS | ||
| Digital interface | SPI (Mode 1), USB | |
| Laser classification | as enclosed housing | Class 1 |
| Temperature range | ℃ | -10 to 50 |
| Humidity range | % rh (continuous) | 0 to 99 (non-condensing) |
| Weight | g | <105 |
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- Week technology ltd
- Contact nameCherry Chat Now
- Phone86-0755-83289036-843
- Address16 Floor, Building #3, Zhongke Mansion, Gaoxin South, Shenzhen, Guangdong
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