Elecbee 10pcs MQ-2 Smoke Gas LPG Butane Gas Sensor Tester Module

SKU: EB0043898

Favorites

Key Features

1. Using high-quality dual-panel design, with power indicator and TTL signal output instructions
2. there are four screw holes for easy positioning
3. Analog output voltage with the higher concentration of higher voltage
4. TTL output valid signal is low. (Low-level signal when the output light can be directly connected to the microcontroller or relay module)
5. The switching signal having a DO (TTL) output and analog output AO

Special note:
After the sensor is powered, needs wait about 20S, measured data was stable, heat sensor is a normal phenomenon, because the internal heating wire.

Specifications:

Size: 32 x 22 x 27mm
Chip: LM393, ZYMQ-2 gas sensors
Working voltage: DC 5V
AO output :0.1-0 .3 V (relative to pollution), the maximum concentration of a voltage of about 4V
DO output: TTL digital 0 and 1 (0.1 and 5V)
Input voltage: DC 5V Power consumption (current): 150mA

Shipping Guide

Shipping	Delivery Period	For in-stock parts, orders are estimated to ship out in 3 days. Elecbee ships orders once a day at about 5pm except Sunday. Once shipped, estimated delivery time depends on the below carriers you chose. DHL Express: 3-7 business days DHLeCommerce: 12-22 business days FedEx International Priority: 3-7 business days EMS: 10-15 business days Registered Air Mail: 15-30 business days
	Shipping Rates	Shipping rates for your order can be found in the shopping cart.
	Shipping Options	Shipping rates for your order can be found in the shopping cart.
	Shipping Tracking	We will notify you by email with tracking number once order is shipped. You can track your order using the “Track My Order” feature.
Returning/Warranty	Returning	Returns are normally accepted when completed within 30 days from date of shipment, please contact customer service for a return authorization. Parts should be unused and in original packaging. Customer has to take charge for the shipping
	Warranty	All Elecbee purchases come with a 30-day money-back return policy, plus 1-year Elecbee warranty against any manufacturing defects.
		This warranty shall not apply to any item where defects have been caused by improper customer assembly failure by customer to follow instructions, product modification, negligent or improper operation
Ordering	How to Buy	Elecbee accepts online orders.
		Add to cart > Check out > Submit order > Complete payment > Delivery
	Payment	PayPal, Credit Card includes Visa, Master, American Express, Bank transfer.