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Particulate Matter / PM Sensor - OPC-R2

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• Removable fan exit adaptor
• Small size and low power consumption
• Configurable to specific applications
• Pins outs and comms protocol shared with OPC-R1
• Improved detection of sub 0.5 µm particles
• Improved EMC protection

Model Number: OPC-R2
Data Sheet:

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Product Specification

OPC-R2 PM2.5 Sensor Schematic Diagram：

• Reports PM₁, PM_2.5, PM₁₀ (PM_4.25 as an option), plus histograms

• SPI connection for communication and firmware upgrades(SPI interface not included, order code 000-0SPI-00)

• PC software supplied

• Removable fan exit adaptor

• Small size and low power consumption

• Configurable to specific applications

• Pins outs and comms protocol shared with OPC-R1

• Improved detection of sub 0.5 µm particles

• Improved EMC protection

OPC-R2 PM2.5 Sensor MEASUREMENT
Particle range*	µm spherical equivalent size (based on RI of 1.5)	0.30 to 12.4
Size categorisation	Number of software bins	16
Sampling interval	Histogram period (seconds)	2 to 30
Total flow rate	L/min (typical)	0.24
Max particle count rate	particles/second	10,000
Max coincidence probability	%concentration at 10⁶ particles/L	0.7
* Based on 50% detection efficiency at 0.35µm
OPC-R2 PM2.5 Sensor POWER
Measurement mode	mA (typical)	110
Standby mode	mA (typical)	< 5
Voltage range	VDC	4.8 to 5.2
Switch-on transient	mW for 1ms	< 5000
OPC-R2 PM2.5 Sensor KEY SPECIFICATIONS
Digital interface	(No data storage)	SPI Mode 1
Laser classification	as enclosed housing	Class 1
Temperature range	℃	-10 to 40
Humidity range	% rh (continuous)	0 to 95 (non-condensing)
Warranty	months	12
Weight	g	< 30