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Gravity Air Quality Monitor (PM 2.5, Formaldehyde, Temperature & Humidity Sensor)

by DFROBOT
This is a multifunction air quality monitor that can be detected not only the concentration of particles and formaldehyde but also the value of temperature...
25-00016108
Gross Weight: 0.04kg
Warranty: Δεν καλύπτεται με εγγύση απο τον Κατασκευαστή
Company: DFROBOT
Part Number: SEN0233
Made in: China
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DESCRIPTION

This is a multifunction air quality monitor that can be detected not only the concentration of particles and formaldehyde but also the value of temperature and humidity. As the particle concentration sensor it can be used to obtain the number of suspended particles in the air by laser. It also integrates in it an electrochemical probe for formaldehyde and an one- chip sensor for temperature and humidity. The sensor can be inserted into variable instruments related to the environment parameters in the air or other environmental improvement equipments to provide correct data in time.

Working principle: Laser scattering principle is used for such sensor, i.e. produce scattering by using 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 sensor from Figure 1 as follows. The function of formaldehyde detector is based on the electrochemical theory and math algorithm.

 

THE PACKAGE INCLUDES

  • 1x Air Quality Monitor (PM 2.5, Formaldehyde, Temperature & Humidity Sensor)
  • 1x 8-Pin Cable
  • 1x PM2.5 Adapter Board

SPECIFICATIONS

Warranty:
Δεν καλύπτεται με εγγύση απο τον Κατασκευαστή
Company:
DFROBOT
Part Number:
SEN0233
Gross Weight:
0.044kg
Made in:
China
Sensor Type:
  • Dust
  • Gas
  • Humidity
  • Temperature
Typical Input Voltage:
  • 5VDC
Oparating Current:
100mA
Interface:
  • Digital
Communication Protocol:
  • I2C

EXTRA SPECS

  • Operating Voltage: 5.0VDC
  • Active Current: 100 mA
  • Standby Current: ≤200 uA
  • Interface Level: L <[email protected]; H> [email protected]
  • Particle Range of measurement: 0.3 - 1.0μm; 1.0 - 2.5μm; 2.5 - 10μm
  • Particle Counting Efficiency: 50%@0.3μm 98%@>=0.5μm
  • Particle Effective Range (PM2.5 standard): 0 - 500μg/m
  • Particle Maximum Range (PM2.5 standard)*: >0 - 2000ug / m³
  • Particle Resolution: 1ug / m³
  • Particle Maximum Consistency Error (PM2.5 standard data)*: ±10%@100~500μg/m³ ±10μg/m³@0~100μg/m³
  • Particle Standard Volume: 0.1 L
  • Formaldehyde Effective Range: 0 - 1 mg / m³
  • Formaldehyde Maximum Range: 0 - 2 mg / m³
  • Formaldehyde Resolution: 0.001
  • Formaldehyde Maximum Consistency Error: <± 5%
  • Temperature Maximum Range: -10-50 ℃
  • Temperature Resolution: 0.1 ℃
  • Temperature Maximum Error: ± 0.5 ℃
  • Humidity Maximum Range: 0 - 99%
  • Humidity Resolution: 0.1%
  • Humidity Maximum Error: ± 2%
  • Weight: 50g
  • Default Baud rate: 9600bps
  • Total Response time: ≤ 10s
  • Operating Temperature Range: -10 - +60 ℃
  • Working Humidity Range: 0-99%
  • MTTF: ≥ 3 years
  • Dimension: 50x38x21mm

FEATURES

  • Zero false alarm rate
  • Real-time response
  • Correct data
  • Minimum distinguishable particle diameter :0.3 micrometer
  • High anti-interference performance because of the patent structure of six sides shielding
  • Optional direction of air inlet and outlet in order to adapt the different design
  • Concentration of Formaldehyde output
  • Temperature and Humidity output