DFRobot Gravity UART Infrared CO2 Sensor (0-50000ppm)

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SKU: rz24310049 Category: Gas and Dust Sensor

Description

DFRobot released its latest wide-range Arduino infrared CO2 sensor, which effective range is up to 0~50000ppm. This sensor is based on non-dispersive infrared NDIR technology and has good selectivity and oxygen-free dependency. It integrates temperature compensation and supports UART communication mode. Most importantly, the product is easy to use; it is compatible with all types of microcontrollers with UART ports, like Arduino, Raspberry Pi, and other microcontrollers. Besides, it has a long service life, up to 5 years!
In addition, this UART Infrared CO2 Sensor is a high-performance sensor that combines the technology of mature infrared absorption gas detection with precision optical circuit design as well as sophisticated circuit design. It has characteristics such as wide range detection, high sensitivity, high resolution, low power consumption, fast response, anti-water vapor interference, no poisoning, high stability and long life.

Features:

High sensitivity High resolution
Low power consumption
Excellent stability
Temperature compensation
Excellent linear output
High cycle life
Anti-water vapor interference
No poisoning
Need 5V power supply, even you are using a 3.3V microcontroller, like Genuine 101/ Raspberry Pi .etc.

Package Includes:

1 x DFRobot Gravity UART Infrared CO2 Sensor (0-50000ppm)

Additional information

Gas Detection	Carbon Dioxide (CO2)
Operating Voltage	4.5 ~ 5.5V DC
Average Current	<85mA
Output	UART
Measuring Range	0 ~ 50000ppm
Accuracy	± (50ppm + 5% reading)
Preheating Time	3min
Response Time	T90 < 30s
Operating Temperature	0 ~ 50 ℃
Operating Humidity	0 ~ 95% RH (no condensation)
Service Life	>5 years

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Shipping & Delivery

Shipping and Delivery Policy

1. Shipping Process:

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Delivery time varies based on location and selected shipping method, typically ranging between 3-7 business days.
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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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Detection Gas	Oxygen concentration
Detection range	0~100%
Working Pressure Range	0.5~2.0Bar
Working Voltage	3.3～5.5V DC
Output Signal	I2C , UART (0~3V) , analog voltage
Lifespan	＞2 years (in air)
Working Humidity Range	0-99% RH (non-condensing)
Working Temperature Range (°C)	-20°C ~ +50°C
Product Dimensions	32mm x 27mm/1.26 x 1.06 inch
Response Time ( μS)	＜5S
Mounting Holes Diameter (mm)	inner diameter 3.1mm(0.12 inch)/outer diameter 6mm(0.24 inch)

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Detection range	0~1000ppm
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
Compatibility	Arduino , ESP32 , Raspberry pi
Storage Humidity	15～90%RH (non-condensing)
Lifespan	>2 years (in the air)
Adapter Plate Size	37 x 32mm

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Module Power	+5.00V
Working Temperature Range (°C)	5-70℃
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Measuring Range	– 2000mV—2000mV
Accuracy	±10mv (25 ℃)
Response Time ( μS)	≤20sec

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Heater Voltage	5.0±0.2V DC
Circuit Voltage	5.0±0.2V DC
Heater power consumption	280mW (typical)
Heater Current	56±5mA
Sensing Principle	MOS type
Heater Resistance	approx 59Ω at room temp. (typical)
Load Resistance	variable 0.45kΩ min
Sensor Resistance	10kΩ ~ 100kΩ in air
Standard Package	TO-5 metal can
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Test Gas Conditions	normal air at 20±2˚C , 65±5%RH

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Heater Current	56±5mA
Heater Resistance	approx 59Ω at room temp.
Heater Voltage	5.0±0.2V DC
Load Resistance	variable 0.45kΩ min
Sensing Principle	MOS type
Circuit Voltage	5.0±0.2V DC
Sensor Resistance	1.0~10.0kΩ in 1800ppm iso-butane
Standard Package	TO-5 metal can
Target Gases	Butane , LP gas
Test Gas Conditions	iso-butane in air at 20±2˚C , 65±5%RH
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Target Gases	Carbon monoxide
Typical detection range	0 ~ 10 , 000ppm
Output current in CO	1.2~2.4nA/ppm
Baseline offset(*1)	<±10ppm equivalent
Operating & storage temperature (2,3)	-5˚C ~ +55˚C
Operating humidity	5 ~ 99%RH (no condensation)
Response time (T90)	within 60 seconds
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