• PM100/TSP Air Particle Dust Sensor Detector SDS198 Laser Digital Output SAMPLE
  • PM100/TSP Air Particle Dust Sensor Detector SDS198 Laser Digital Output SAMPLE
  • PM100/TSP Air Particle Dust Sensor Detector SDS198 Laser Digital Output SAMPLE
  • PM100/TSP Air Particle Dust Sensor Detector SDS198 Laser Digital Output SAMPLE
  • PM100/TSP Air Particle Dust Sensor Detector SDS198 Laser Digital Output SAMPLE
  • PM100/TSP Air Particle Dust Sensor Detector SDS198 Laser Digital Output SAMPLE
  • PM100/TSP Air Particle Dust Sensor Detector SDS198 Laser Digital Output SAMPLE

PM100/TSP Air Particle Dust Sensor Detector SDS198 Laser Digital Output SAMPLE

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PM100/TSP Air Particle Dust Sensor Detector SDS198 Laser Digital Output SAMPLE

Overview

The PM100 sensor, also known as total suspended particulate (TSP) sensor, using principle of laser scattering, can get the particle concentration between 1 to 100μm in the air. The SDS198 with digital output and built-in fan is stable and reliable.

Characteristics

1. Accurate and Reliable: laser detection, stable, good consistency;

2. Quick response: response time is less than 10 seconds when the scene changes;

3. Easy integration: UART output (or IO output can be customized), fan built-in;

4. High resolution: resolution of 1μg/m3;

5.Certification: products have passed CE/FCC/RoHS certification.

Scope of application

TSP monitoring; Dust monitoring; Purification monitoring; Environmental monitoring of road, factory, mine, and construction site.

Working principle

Using laser scattering principle:

Light scattering can be induced when particles go through the detecting area. The scattered light is transformed into electrical signals and these signals will be amplified and processed. The number and diameter of particles can be obtained by analysis because the signal waveform has certain relations with the particles diameter.

Technical parameters

No

Item

Parameter

Note

1

Measurement parameters

PM100

 

2

Range

0-20mg/m3

 

3

Rated voltage

5V

 

4

Rated current

70mA±10mA

 

5

Sleep current

<4 mA

Lase&Fan sleep

6

Temperature range

Storage environment:-20 ~ +60℃

 

Work environment:-10 ~ +50℃

 

7

Humidity range

Storage environment:Max 90%

 

Work environment:Max 70%

 

8

Air pressure

86KPa~110KPa

 

9

Corresponding time

< 6s

 

10

Serial data output frequency

1Hz

 

11

Sensitivity

1μg /m3

 

12

Relative error

Maximum of

±20% and ±30μg/m3

25℃,

50%RH

13

Product size

71x70x23mm

 

14

Certification

CE/FCC/RoHS

 

Power requirement

Power Voltage:4.7~5.3V

Power supply:>1W

Supply voltage ripple:<20mV

About service life

Service life is the key parameter of laser dust sensor. The laser diode in this sensor has high quality and its service life is up to 8000 hours. If you need real-time data (such as detector), you can use the default configuration that measures at the frequency of 1time per second. On the occasion of real-time demand is not high (such as filter, air quality monitoring, etc.), you can use the discontinuous working method to prolong the service life. For example, you can start the sensor for 30 seconds per minutes.  If you have any other requirements, please contact us, we are willing to serve for manufacturers and developers.

Product specifications

1.Product size

L*W*H=71*70*23mm

2.Interface specification

No

Name

Comment

1

NC

Not Connect

2

1μm

Reserved

3

5V

5V Input

4

2.5μm

Reserved

5

GND

Ground

6

R

RX of UART(TTL)@3.3V

7

T

TX of UART(TTL)@3.3V

PS:The distance between each pin is 2.54mm.

The UART communication protocol

Bit rate :9600

Data bit :8  

Parity bit:NO

Stop bit :1

Data Packet frequency: 1Hz

 The number of bytes

Name

Content

0

Message header

AA

1

Command Byte.

CF

2

DATA 1

Reserved

3

DATA 2

Reserved

4

DATA 3

PM100 Low byte

5

DATA 4

PM100 High byte

6

DATA 5

ID byte 1

7

DATA 6

ID byte 2

8

Check-sum

Check-sum

9

Message tail

AB

 

   Check-sum: Check-sum=DATA1+DATA2+...+DATA6

  PM100 value:PM100(μg/m3)=PM100 High byte*256+PM100 low byte

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