Features:
Accurate and Reliable: detection, stable, good consistency.
Quick response: data update frequency 1Hz.
Easy integration: serial output, built-in fan.
High resolution: resolution of 0.3ug/m3.
Convenient use, easy installation, and small volume.
Specifications:
Material: Plastic
Condition: 100% brand new and
Weight: 60g
Technical Parameters:
NO. Item Parameter
1 Measuring output PM2.5, PM10
2 Range PM2.5: 0.0-999.9μg/m3
PM10: 0.0-1999.9μg/m3
3 Rated voltage 5V
4 Rated current 70mA±10mA
5 Sleep current
6 Temperature range Storage environment: -20℃ ~ +60℃
Operation environment: -10℃ ~ +50℃
7 Humidity range Storage environment: Max.90%
Operation environment: Max.70%
8 Working atmosphere pressure 86KPa ~ 110KPa
9 Response time 1s
10 Serial data output frequency 1Hz
11 Min. particle diameter resolution Less than 0.3um
12 Counting efficiency 70%@0.3μm
98%@0.5μm
13 Relative error ±15% and ±10μg/m3 maximum(25℃, 50%RH)
14 Power supply voltage 4.7~5.3V
15 Power supply power 1W（current ＞ 200mA）
16 Power supply voltage ripple ＜20mV
17 Product size Approx. 70 x 70 x 22mm / 2.75 x 2.75 x 0.86inch
Interface specification:
Pin Name Note
1 NC Empty
2 1um PM2.5: 0-999 PWM Output
3 5V 5V power input
4 2.5μm PM10: 0-999 PWM Output
5 GND GND
6 R Serial port receiver RX, TTL level @ 3.3V
7 T Serial port transmission TX, TTL level @ 3.3V
Note: The pitch of Interface is 2.54mm
Communication protocol:
Serial communication protocol: 9600 8N1. (Rate of 9600, data bits 8, parity none, stop bits 1)
Serial report communication cycle: 1+0.5 seconds
Data frame (10 bytes): message header + order+ data(6 bytes) + checksum + message trailer
The number of bytes Name Content
0 message header AA
1 order C0
2 data 1 PM2.5