DFRobot Gravity CO Sensor (Calibrated) &#8211; I2C &#038; UART

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SKU: rz24315503 Category: Gas and Dust Sensor

Description

This is a sensor that detects carbon monoxide and supports three output modes: analog, I2C, and UART. The probe has been calibrated at the factory, which can quickly and accurately measure the concentration of carbon monoxide in the environment. Can be widely applied to fields like portable devices, air quality monitoring devices, industries, mines, warehouses, and other spaces where the air is not easy to circulate.

The probe adopts the electrochemical principle, has the characteristics of strong anti-interference ability, high stability, high sensitivity, etc., and the service life is as long as two years. The sensor has 32 modifiable I2C addresses, an integrated temperature compensation algorithm, and a threshold alarm function, It has good compatibility with mainstream main control devices such as Arduino, ESP32, and Raspberry Pi. The easy-to-use Gravity interface, coupled with our sample code, can quickly build a carbon monoxide detector. DFRobot has introduced 12 gas detection sensors in this series, CO, O2, NH3, H2S, NO2, HCL, H2, PH3, SO2, O3, CL2, HF, which are used in exactly the same way and data format, so you can combine them according to your needs.

Applications:

Petrochemical carbon monoxide detection.
Metallurgy carbon monoxide detection.
Mining carbon monoxide detection.
Environmental protection.

Features:

Strong anti-interference ability.
High stability.
High sensitivity.
Factory calibrated, accurate measurement.
High sensitivity, low power consumption.
Excellent stability and anti-interference.
Three output modes: I2C, UART and analog.
Long service life(2 years).
Compatible with 3.3~5.5V main controllers.
32 modifiable I2C addresses.
Reverse connection protection.
Temperature compensation.
Threshold alarm.

Specifications:

ejection Gas: Carbon Monoxide (CO).
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℃.
Storage Humidity: 15～90%RH (non-condensing).
Lifespan: >2 years (in the air).
Adapter Plate Size: 37*32mm.
Compatibility: Arduino, ESP32, Raspberry pi.

Packages includes:

1 x DFRobot Gravity CO Sensor (Calibrated) – I2C & UART.

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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.
We partner with trusted courier services to ensure timely and safe delivery.

2. Shipping Charges:

Shipping charges are calculated at checkout based on the delivery location and package weight.
Free shipping may be available for orders above a specified amount, as mentioned on our website.

3. Order Tracking:

Once your order is shipped, you will receive a tracking ID via email or SMS to monitor the shipment status.

4. Delivery Address:

Please provide a complete and accurate delivery address to avoid delays.
We are not responsible for delivery failures due to incorrect or incomplete address details provided by the customer.

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.

DFRobot Air Quality Monitor (PM 2.5, Formaldehyde, Temperature & Humidity Sensor)

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SKU: rz2436117

Particle Measurement Range	0.3~1.0μm; 1.0~2.5μm; 2.5~10μm
Particle Counting Efficiency	50%@0.3μm , 98%@>=0.5μm
Resolution of Particle Mass Concentration	1μg/mᶟ
Temperature Measurement Range	0~99℃
Temperature Measurement Resolution	0.1℃
Humidity Measurement Range	0~99%
Humidity Measurement Resolution	0.1%
Humidity Measurement Accuracy	±2%
Single Response Time	＜1s
Comprehensive Response Time	≤10s
DC Supply Voltage	Typ: 5V Min: 4.5V Max: 5.5V
Working Current	≤100mA
Standby Current	≤200mA
Data Interface Level	L＜0.8V , H＞2.7V , maximum level voltage 3.3V
Working Temperature Range	10~50℃
Working Humidity Range	0~99%
Storage Temperature Range	40~80℃

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Detection Gas	Hydrogen fluoride (HF)
Detection range	0~10ppm
Working Voltage	3.3～5.5V DC
Working Current	＜5mA
Working Temperature Range (°C)	-20 to 50
Working Humidity Range	15～90%RH (non-condensing)

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SKU: rz24310084

Model	DFRobot Gravity NH3 Sensor
Detection Gas	Ammonia (NH3)
Detection range	0~100ppm
Working Voltage	3.3～5.5V DC
Working Current	＜5mA
Output Signal	I2C , UART (0~3V) , analog voltage
Compatibility	Arduino , ESP32 , Raspberry pi
Lifespan	>2 years (in the air)
Working Humidity Range	15～90%RH (non-condensing)
Working Temperature Range (°C)	-20～50℃
Product Dimensions	37 x 32mm

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SKU: rz24310067

Detection Gas	ozone (O3)
Detection range	0~10ppm
Working Voltage	3.3～5.5V DC
Working Current	＜5mA
Output Signal	I2C , UART (0~3V) , analog voltage
Compatibility	Arduino , ESP32 , Raspberry pi
Lifespan	>2 years (in the air)
Working Temperature Range (°C)	-20 to 50

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Heater voltage	5.0±0.2V DC
Circuit Voltage	5.0±0.2V DC
Heater Current	56±5mA
Minimum impedance between Pin#2,3 and GND	2.5MΩ
Operating conditions	0˚~40˚C , 30~95%RH
Temperature differential between inside and outside detector casing	≤10˚C max. (see NOTE 1)
Test gas conditions	1250±100ppm iso-butane in air at 20˚±2˚C , 65±5%RH
Circuit conditions	VH=5.0±0.05V DC VC=5.0±0.05V DC

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Model No.	TGS3870-F00
Circuit Voltage	5.0±0.2V DC pulse
Load Resistance	variable (>0.75kΩ)
Sensing Principle	MOS type
Sensor Resistance	0.3kΩ~5.0kΩ in 3000ppm methane 2kΩ~40kΩ in 200ppm CO
Standard Package	Plastic base and metal can
Target Gases	Methane and Carbon Monoxide
Test Gas Conditions	Target gas in air at 20±2˚C , 65±5%RH

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Model number	TGS5141-P00
Output current in CO	1.2~3.2nA/ppm
Target Gases	Carbon monoxide
Typical detection range	0 ~ 5 , 000ppm
Baseline offset(*1)	<±10ppm equivalent
Operating temperature	10˚C ~ +50˚C (continuous) -20˚C ~ +60˚C (intermittent)
Operating humidity	10 ~ 95%RH (no condensation)
Response time (T90)	within 60 seconds
Storage conditions	-10˚C ~ +50˚C (continuous) -20˚C ~ +60˚C (intermittent
Standard test conditions	20±2˚C , 40±10%RH
Weight	approx. 2.5g

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