PMS5003 Dust laser Sensor Module

 

PMS5003 is a kind of digital and universal particle concentration sensor, which can be used to obtain the number of suspended particles in the air, i.e. the concentration of particles, and output them in the form of digital interface. This sensor can be inserted into variable instruments related to the concentration of suspended particles in the air or other environmental improvement equipment to provide correct concentration data in time.

Laser scattering principle is used for such sensor, i.e. produce scattering by using the laser to radiate suspending particles in the air, then collect scattering light in a certain degree, and finally obtain the curve of scattering light change with time. In the end, equivalent particle diameter and the number of particles with different diameter per unit volume can be calculated by microprocessor-based on MIE theory. Please find the functional diagram of each part of the sensor from Figure 1 as follows.

Parameter	Index	Unit
Range of measurement	0.3~1.0; 1.0~2.5, 2.5~10	Micrometer (um)
Counting Efficiency	50%@0.3um 98%@>=0.5um
Effective Range (PM2.5 standard)	0-500	U g/m³
Maximum Range (PM2.5 standard)	≥1000	U g/m³
Resolution	1	U g/m³
Maximum Consistency Error	±10%@100~500ug/m³
(PM2.5 standard data)*	±10u g/m³@0~100ug/m³
Standard Volume	0.1	Litre (L)
Single Response Time	<1	Second (s)
Total Response Time	≤10	Second (s)
DC Power Supply	Typ:5.0 Min:4.5 Max: 5.5	Volt (V)
Active Current	≤100	Milliampere (mA)
Standby Current	≤200	Microampere (u A)
Interface Level	L<0.8@3.3H>2.7@3.3	Volt (V)
Working Temperature Range	-10~+60	°C
Working Humidity Range	0-99%
Storage Temperature Range	-40 ~+80	°C
MTTF	≥3	Year (Y)
Physical Size	50 x 38 x 21	Millimeter (mm)

Note 2: "PM2.5 standard data" is the "data2" in the appendix.