MQ7 Carbon Monoxide (CO) Sensor

Marsoni

M251S

$109.00

Get it in 3 business days with 1 day shipping. Friday, May 29

MQ7 Carbon Monoxide (CO) SensorMQ 7 Carbon monoxide gas sensor module detects the concentrations of CO in the air then outputs its reading as an analog voltage. It can measure concentrations of 10 to 10,000 ppm. Additionally, it can operate at temperatures from 10 to 50C and consumes less than 150 mA at 5V. It also uses SnO2 material, whose conductivity is lower in clean air. Its conductivity increases as the concentration of CO gases increases. Features: High quality double panel

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These earrings came well-packaged and were beautiful out of the box. They have been my go-to pair on the daily since they arrived. I like that they’re sturdy, but not heavy, and aren’t fragile. I have no dings scratches, or anything like that on them. I was also really worried about the snap-to-close vs. an endless hoop, but it hasn’t been an issue. They are classic & look great with everything. Absolutely recommend!

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Reviewed in the United States on March 5, 2024

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Paulette Scotland

Birmingham, US

★★★★★ 5

Size perfect

Style: 5mm - 8.3g

Beautiful

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Reviewed in the United States on June 7, 2026

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