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Matter Sensors:

CO2, Temperature, & Humidity Sensor (SCD30:)

The SCD30 Sensor is a versatile sensor that can measure C02, termperature, and humidity...Embedded with Sensirion SCD30 for C02 observation with Sensirion humidity and temperature sensors, which are on the same sensor module.

*Size: 58mm x 38mm x 19mm

*Interface: I2C

Sensor Specifications:

Measurement Range Accuracy
C02 0 – 40’000 ppm ± (30 ppm + 3%MV)
Humidity 0 %RH – 100 %RH ± 3 %RH
Temperature - 40°C – 70°C ± (0.4°C + 0.023 × (T [°C] – 25°C))

HM3301 Dust Sensor:

The HM3301 is a laser dust detection sensor.

*Interface: I2C

*Range: 1~500µg/ m3 (Effective Range)

*Particle Size: 3 channels-- 2.5µm, 5µm, 10µm

Sensor Specifications:

Measurement Value
Operating Voltage 3.3V / 5V
Operating Humidity 10%～90%RH (non-condensing)
Operating Temperature -10～60℃

HM-3301 Dust Sensor is based on the Mie scattering theory. Light passes through particles with an amount equal to or greater than the wavelength of the light, light scattering forms.

Scattered light -> photodiode -> photodiode is amplified and analyzed by a circuit -> concentrations of the dust particles are aquired

Alphasense OPC-N3:

The OPC-N3 Sensor uses laser beams to identify particles..Measures up to 40µm for pollen.

*Digital Interface: SPI

*Dimensions: 75mm x 60mm x 63.5mm

Sensor Specifications:

Measurement
Particle Range 0.35 to 40µm
Max Particle Count Rate 10,000 Particles/Second
Measurement Range
Humidity 0 to 95%RH (non-condensing)
Temperature -10 to 50°C

Humidity, Pressure, and Temperature Sensor BME280:

The BME280 combines a pressure sensor, humidity sensor, and temperature sensor in one.

*Size: 2.5mm x 2.5mm x 0.93mm³

*Interface: I²C and SPI

Sensor Specifications:

Measurement Range Accuracy
Pressure 300 - 1100 hPa ±0.12hPa
Humidity 0 %RH – 100 %RH ± 3 %RH
Temperature -40 - 85°C ±1.0 -40°C - 65°C

Grove – Multichannel Gas Sensor (MGS001:)

Gas detecting sensor with a built in MiCS-6814 that allows three gases to be measured concurrently, on account of its multi-channels.

*Interface: I²C

Sensor Specifications:

Detectable Gases Range
Carbon monoxide CO 1 – 1000ppm
Nitrogen dioxide NO2 0.05 – 10ppm
Ethanol C2H5OH 10 – 500ppm
Hydrogen H2 1 – 1000ppm
Ammonia NH3 1 – 500ppm
Methane CH4 >1000ppm
Propane C3H8 >1000ppm
Iso-butane C4H10 >1000ppm
Red Sensor Range
Sensing Resistance in Air 100-1500kΩ
Typical CO Detection Range 1-1000ppm
Sensitivity Factor 1.2-50
OX Sensor Range
Sensing Resistance in Air .8-20kΩ
Typical NO2 Detection Range 0.05-10ppm
Sensitivity Factor 2
NH3 Sensor Range
Sensing Resistance in Air 10-1500kΩ
Typical NH3 Detection Range 1-300ppm
Sensitivity Factor 1.5-15