DFRobot Gravity: MEMS Gas Sensor (CO, Alcohol, NO2 &amp; NH3) &#8211; I2C &#8211; MiCS-4514

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SKU: rz24318246 Category: Gas and Dust Sensor

Description

DFrobot offers an advanced level of sensors at an affordable cost than any other competitor brand in the market, making them ideal for the one who wants to start some Projects through Different types of sensors.

After finding Different types of sensors on market, we at robozar. in have determined that DFrobot is one of the good brands that offer a wide range of sensors at an Appropriate price.

DFRobot offers a 3.3/5V compatible MEMS gas concentration sensor. This sensor can detect a variety of gas concentrations, including CO, C2H5OH (alcohol), H2, NO2, and NH3, and the code includes various gas concentration conversion formulas to make sensor testing and use easier. It’s compatible with Arduino, ESP32, Raspberry Pi, and other mainstream controllers thanks to its I2C output and 3.35.5V wide voltage input.

Board Overview:

Application:

Gas leak detection
Gas safety equipment
Air environment detection

Features:

Support detection of a variety of harmful gas
Integrate the calculation formulas of various gas concentration
Low power consumption
I2C digital output
Compatible with the 3.3~5.5V master controller

Useful Links:

Please visit the DFrobot wiki page for more information about this product. Any suggestions for improvement, such as correcting errors, adding more demo codes or tutorials, will be highly appreciated.

Package Includes:

1 x Gravity: MEMS CO, Alcohol, NO2 & NH3 Gas Sensor

1 x Gravity-4pin I2C Cable

Additional information

Model	MiCS-4514
Operating Voltage(V)	3.3～5.5
Power Consumption (Watt)	0.45
Communication Interface	I2C
Measuring Range	1 – 1000ppm (Carbon monoxide CO) 0.05 – 10ppm (Nitrogen dioxide NO2) 10 – 500ppm (Ethanol C2H5OH) 1 – 1000ppm (Hydrogen H2) 1 – 500ppm (Ammonia NH3) >1000ppm (Methane CH4)
Operating Temperature Range (°C)	-30～85
Opt. Relative Humidity(RH)	5～95%
Mounting Holes Diameter (mm)	ID:3.1 , OD:6
Dimensions in mm (LxWxH)	37x27x6
Weight (gm)	10

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Shipping & Delivery

Shipping and Delivery Policy

1. Shipping Process:

Orders are processed within 1-2 business days after payment confirmation.
Delivery time varies based on location and selected shipping method, typically ranging between 3-7 business days.
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5. Delivery Issues:

If a package is delayed, lost, or damaged during transit, please contact our support team immediately.
Claims for lost or damaged items must be reported within 48 hours of delivery.

6. No Return Policy for Opened/Soldered Products:

We do not accept returns for products that have been opened, used, or soldered.
Ensure you verify product compatibility before purchase, as returns will only be accepted for unopened and unused items in their original packaging.

7. Refund Policy:

Refunds will be issued only for canceled orders before shipment or wrong/damaged items received (subject to investigation).
No refunds or replacements for products that have been tampered with, soldered, or physically damaged by the customer.

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Working Voltage	3.3～5.5V DC
Working Current	＜5mA
Output Signal	I2C , UART (0~3V) , analog voltage
Working Temperature	-20～50℃
Working Humidity	15～90%RH (non-condensing)
Storage Temperature	-20～50℃
Communication Protocol	I2C , UART and analog
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Working Temperature Range (°C)	5-70℃
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Measuring Range	– 2000mV—2000mV
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Circuit Voltage	5.0±0.2V DC
Load Resistance	variable 0.45kΩ min.
Heater Resistance	approx 59Ω at room temp.
Heater Current	56±5mA
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