DFRobot Air Quality Monitor PM 2.5 Formaldehyde Temperature & Humidity Sensor

DFRobot Air Quality Monitor PM 2.5 Formaldehyde Temperature & Humidity Sensor

58,95 € (Net 49,54 € )

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SKU: DF01151
GTIN: 4060137049521
Category: Environmental sensor
Manufacturers: DFRobot
MPN: SEN0233
Storage Tiers: Retiring

INTRODUCTION

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.

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

SPECIFICATION

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 ~ 1.0?m; 1.0 ~ 2.5?m; 2.5 ~ 10?m
Particle Counting Efficiency: 50%@0.3?m 98%@>=0.5?m
Particle Effective Range (PM2.5 standard): 0 ~ 500?g/m
Particle Maximum Range (PM2.5 standard)*: >0 ~ 2000ug / m³
Particle Resolution: 1ug / m³
Particle Maximum Consistency Error (PM2.5 standard data)*: ±10%@100~500?g/m³ ±10?g/m³@0~100?g/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: 50 * 38 * 21 mm/1.97*1.50*0.83 inches