Grove Dust Sensor Air Quality

Features :

1. circuit voltage: 5V±0.1
2. Heating voltage (high): 5V±0.1
3. Heating voltage (low): 1.4V±0.1
4. Load resistance: Adjustable
5. Heating resistance: 33Ω±5%
6. Heating time (high): 60±1 seconds
7. Heating time (low): 90±1 seconds
8. Heating consumption: About 350mW
9. Using temperature: -20°C-50°C
10. Storage temperature: -20°C-50°C
11. Relative humidity: Less than 95%RH
12. Oxygen concentration: 21%(stand condition) the oxygen concentration can affect the sensitivity characteristic

Specifications :

• Operating voltage:5v
• Load resistance: 20KΩ
• Heater resistance: 33Ω ± 5%
• Heating consumption:<800mw
• Sensing Resistance: 10 KΩ – 60 KΩ
• Concentration Scope:200 – 10000ppm
• Preheat Time: over 24 hour

Specifications :

• Detecting Concentration: 300 to 10000 ppm
• Input Voltage: 5 VDC
• Power: 150 mA
• Digital Output Voltage: TTL digital 0 and 1 (0.1 V and 5 V)
• Analog Output Voltage (relatively clean): 0.1 V to 0.3 V
• Analog Output Voltage (highest concentration): 4 V

Specifications:

1. Operating Voltage is +5V
2. Can be used to detect LPG or Butane gas
3. Analog output voltage: 0V to 5V
4. Digital Output Voltage: 0V or 5V (TTL Logic)
5. Preheat duration 20 seconds
6. Can be used as a Digital or analog sensor
7. The Sensitivity of Digital pin can be varied using the potentiometer

Specifications:

• Operating voltage: 5V
• Load resistance: 200KΩ
• Heater resistance:33Ω ± 5%
• Heating consumption:<800mw
• Sensing Resistance:1 MΩ – 8 MΩ
• concentration Scope:5 – 500 ppm
• Preheat Time: Over 24 hour