8-in-1 Water Quality Sensor - PH/EC/TDS/Temp/ORP/Salinity/Specific Gravity Tester with RS485 Output

Marsoni

M251S

$96.00

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

8-in-1 Water Quality Sensor - PH/EC/TDS/Temp/ORP/Salinity/Specific Gravity Tester with RS485 Output8 in 1 Water Quality Sensor PH EC TDS Temp ORP Salinity Specific Gravity Tester with RS485 Output Product Overview CWT MS8 S RS485 8 in 1 water quality sensor features a high sensitivity, high temperature pressure resistant pH glass electrode thats adaptable and easy to maintain. As an 8 in 1 device, it measures pH, ORP, temperature, TDS, conductivity, specific gravity, and salinity (ppt %). Powered by a 32 bit MCU and RTOS system, it ensures precise

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We offer a 30-day return/exchange service after receiving.
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I’ve been using this device on my patio and it actually makes a noticeable difference. It’s compact, easy to carry around, and I like that it’s rechargeable. The coverage is decent for small outdoor areas, and the refills are simple to swap out. Perfect for camping or relaxing outside without constantly swatting bugs. Definitely worth it for the price!

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Reviewed in the United States on April 22, 2026

Verified Purchase

Pamela Bruso

Massapequa, US

★★★★★ 5

Great mosquito repellent!!

Color: Black 1 Devices 2 Refills

This works great and repels mosquitoes for 5-6 hours. Definitely recommend and smell is nice not harsh chemical smell like some.

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Reviewed in the United States on April 17, 2026

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Guadalupe perez

Cuba, US

★★★★★ 5

I like

Color: Black 1 Devices 2 Refills, Color: Black 1 Devices 2 Refills

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Reviewed in the United States on April 27, 2026

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Rodrigo Rodrigues zago

Whiting, US

★★★★★ 1

The product doesn't work.

Color: Black 1 Devices 2 Refills, Color: Black 1 Devices 2 Refills

This product is completely useless. I turned it on, and flies swarmed all around it—even landing right on top of it. It's false advertising. Don't buy it.

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Reviewed in the United States on May 25, 2026