DFRobot Gravity Analog CH4 Gas Sensor (MQ4) For Arduino

20 People watching this product now!

SKU: rz24310663 Category: Gas and Dust Sensor

Description

The MQ4 is used in gas leakage detecting equipment in consumer and industry markets,this sensor is suitable for detecting CH4,Natural gas, LNG, avoid exposure to alcohol, cooking fumes, and cigarette smoke. The sensitivity can be adjusted by the potentiometer

Features:

High sensitivity to CH4，Natural gas.
Small sensitivity to alcohol, smoke.
Fast response
Stable and long life
Simple drive circuit

Specifications:

Power supply needs: 5V
Interface type: Analog
Pin Definition: 1-Output 2-VCC 3-GND
High sensitivity to CH4£¬Natural gas
Small sensitivity to alcohol, smoke
Fast response
Stable and long life
Simple drive circuit
Size: 40x20mm

Packages Includes:

1 x DFRobot Gravity Analog CH4 Gas Sensor (MQ4) For Arduino

Reviews (0)

Rated 0 out of 5

0 reviews

Rated 5 out of 5

Rated 4 out of 5

Rated 3 out of 5

Rated 2 out of 5

Rated 1 out of 5

Reviews

Clear filters

There are no reviews yet.

Only logged in customers who have purchased this product may leave a review.

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 Gravity Lab Grade Analog ORP Sensor Meter For Arduino

Out of stock

₹13,015.15 – ₹14,789.95 (Including tax)

SKU: rz24310086

Model	DFRobot Gravity Lab Grade Analog ORP Sensor
PH2.0	Interface(3 foot patch)
Module Power	+5.00V
Working Temperature Range (°C)	5-70℃
Product Dimensions	40mm X 27mm(1.57″x1.06″)
Measuring Range	– 2000mV—2000mV
Accuracy	±10mv (25 ℃)
Response Time ( μS)	≤20sec

DFRobot Gravity NH3 Sensor (Calibrated) – I2C & UART

Out of stock

₹17,911.21 – ₹20,353.65 (Including tax)

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

CMM5042 Embedded Module for Carbon Monoxide

Figaro CMM 5042 Embedded Module for Carbon Monoxide

Out of stock

₹4,297.79 – ₹4,883.85 (Including tax)

SKU: rz2436186

Model number	CMM5042
Gas sensor	TGS5042 (electrochemical)
Detection range	0 ~ 800ppm CO
Current consumption	≤ 5mA
Input voltage	2.5 ~ 5.3V DC
Normal operation	VCONC = 2-[CO conc(ppm)/400]
Warm up time	≤ 30 sec

Figaro TGS2602 Air Quality / VOC Sensor

Out of stock

₹1,551.21 – ₹1,762.75 (Including tax)

SKU: rz2436200

Model No.	TGS2602-B00
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
Target Gases	Air contaminants (VOCs , ammonia , H2S , etc.)
Test Gas Conditions	normal air at 20±2˚C , 65±5%RH

Figaro TGS5141-P00 Carbon Monoxide Sensor home air quality monitor

Out of stock

₹2,148.29 – ₹2,441.25 (Including tax)

SKU: rz2436161

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

Fluorescent oxygen sensor AOX4000

Out of stock

₹4,178.37 – ₹4,748.15 (Including tax)

SKU: rz2436545

Maximum Working Voltage (V)	4.75~5.25
Working Current	Average 7.5mA；Highest 32mA
Oxygen Concentration Range	0~25%
Atmospheric Pressure Range (mbar)	500~1200mbar

Hydrogen sulfide sensor AHS3000

Out of stock

₹1,312.39 – ₹1,491.35 (Including tax)

SKU: rz2436538

Operating Temperature Range (°C)	-40~+55℃
Working Humidity Range	15~90%RH(Non-Condensing）
Measure Range	0~100ppm
Response Time ( μS)	≤30000

Lead-free oxygen sensor AOX3000

Out of stock

₹2,387.13 – ₹2,712.65 (Including tax)