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Original MQ-4 Methane Gas Sensor Natural Coal Co Methane Detector Module Kit for Arduino
80 % of buyers enjoyed this product!
Availability: in stock
Price:
US $6
/ piece
Sale Price:
US $
1.92
/ piece
 |
45 days Money back Returns accepted if product not as described, buyer pays return shipping; or keep the product & agree refund with seller. |
|---|---|
 |
On-time Delivery Guarantees: On-time Delivery 60 days |
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Features:
Indication of the signal output.
Dual signal output (analog output, and TTL level output) TTL output signal is low. (When low output signal light, and can be connected directly to the microcontroller)
0 ~ 5V analog output voltage, the higher the concentration, the higher the voltage
Of methane gas, the natural gas has better sensitivity.
Suitable for home or factory methane gas, natural gas, and other monitoring devices.
Indication of the signal output.
Dual signal output (analog output, and TTL level output) TTL output signal is low. (When low output signal light, and can be connected directly to the microcontroller)
0 ~ 5V analog output voltage, the higher the concentration, the higher the voltage
Of methane gas, the natural gas has better sensitivity.
Suitable for home or factory methane gas, natural gas, and other monitoring devices.
Specification:
Size: approx. 32 X 22 X 27 mm/1.26 X 0.87 X 1.06"
Chip: LM393, ZYMQ-4 gas sensor
Operating Voltage: DC 5V
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| Name | Rating | Feedback |
|---|
| Shipping Company | Shipping Cost | Estimated Delivery Time |
|---|---|---|
 |
3 - 7 days | |
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3 - 7 days | |
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5 - 14 days | |
| Post Air Mail | Free Shipping | 15 - 45 days |
| Return Policy | If the product you receive is not as described or low quality, the seller promises that you may return it before order completion (when you click "Confirm Order Received" or exceed confirmation timeframe) and receive a full refund. The return shipping fee will be paid by you. Or, you can choose to keep the product and agree the refund amount directly with the seller. N.B.: If the seller provides the "Longer Protection" service on this product, you may ask for refund up to 15 days after order completion. |
|---|---|
| Seller Service | On-time DeliveryIf you do not receive your purchase within 60 days, you can ask for a full refund before order completion (when you click "Confirm Order Received" or exceed confirmation timeframe). |
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