Features:
Adopt high sensitivity laser dust sensor, which has the characteristics of high measuring precision.
Convenient use, easy installation, and small volume.
Applied in the field of electronics, pharmacy, air conditioning, food hygiene, hospital, fresh air and so on.
Adopt laser scattering principle to achieve accurate measurement.
Real-time response and support for continuous acquisition.

Specification:
Type: Digital Sensor
Material: Metal
Working Principle: Gas Sensor
Sensor Type: Energy Sensor
Counting Efficiency: 50%@0.3um  98%@>=0.5 um
Response Time: ≤10 Seconds
Power Supply Voltage: DC 5V
Maximum Power Current: 120mA
Standby Current: ≤200μA
Data interface level: L  2.7@3.3（V）
Working Temperature Range: -20°C ~ +50 °C
Working Humidity: 0~99%
Size: Approx. 50 x 38 x 21mm / 1.96 x 1.49 x 0.82inch
Color: Blue
Quantity: 1PC
Weight: 40G

Interface Description:
Data interface: 2-pin for serial data communication interface, using universal asynchronous receiver and receiver protocol (UART); 1-pin for control signal interface, using high and low level control, all levels are 3.3VTTL level.

PIN1 VCC Power + 5V
PIN2 GND Power -
PIN3 SET Setting pin / TTL level @ 3.3V
PIN4 RXD Serial receiver pin / TTL level @ 3.3V
PIN5 TXD Serial transmission pin / TTL level @ 3.3V
PIN6 RESET Module reset signal / TTL level @ 3.3V
PIN7/8 NC Empty
Note:
SET = 1 working in continuous sampling mode, the module automatically update sampling data after each sampling, the sampling response time is less than 600 milliseconds, the data update time is less than 2 seconds.
SET = 0 The module enters the low-power standby mode.

Package List:
1 x Dust Sensor