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RS485 Modbus Temperature Humidity Pressure Light TVOC PM2.5 PM10 CO2 HCHO O3 O2 H2S CH4 CO NO2 SO2 H2 NH3 Air Quality Sensor

Marsoni M251S
Sale price$41.00
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RS485 Modbus Temperature Humidity Pressure Light TVOC PM2.5 PM10 CO2 HCHO O3 O2 H2S CH4 CO NO2 SO2 H2 NH3 Air Quality SensorTTE SAQ Series Air Quality Sensor Manual Measuring parameters Parameters Range Resolution Precision Preheat time PM2. 5 0~1000ug m3 1ug m3 10% 2min PM10 0~1000ug m3 Temperature 40~+120 0. 1 0. 5(25 Humidity 0%RH 100%RH 0. 1%RH 3%RH60%RH,25 Air pressure 0~120Kpa 0. 1Kpa 0. 15Kpa@2575Kpa Light 0~200000 Lux 1Lux 7%(25) TVOC 0~60000ppb 1ppb 8%FS125ppb CO2 0~5000ppm 1ppm (40ppm+ 3%FS) 2min 10min(max precision) HCHO 0~5ppm 0. 01ppm 5%FS 5 min O3 0~10ppm 0.
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4.3 ★★★★★
Based on 1686 reviews
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BetterEveryDay
Boise, US
★★★★★ 5
I usually wear 11.5's, but I buy 1/2 size smaller to accommodate for stretch. Leather relaxes.
Size: 11, Color: Burgundy Polished Full Grain
5 STARS: These shoes are awesome. I keep coming back for more. I have major foot problems, have tried all kinds of shoes, orthotics, and inserts... but believe it or not, these shoes work better than any of that stuff. I wear them daily. I buy lots of them, for home, for church, and I'm getting my first pair of J&M boots today, for winters in Indiana... Brrrr
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 18, 2025
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tjw
Phoenix, US
★★★★★ 3
Way too narrow
Size: 9.5 Wide, Color: Burgundy Polished Full Grain
I ordered a wide in this shoe, but it was still way too narrow. I had to return them. Otherwise, it looked like a nice quality shoe.
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Reviewed in the United States on February 12, 2026
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Anthony C.
Grantham, US
★★★★★ 5
Penny loafers - best new old style
Size: 10, Color: Burgundy Polished Full Grain
These fit great. Real old school style reborn as original. Comfortable leather and looks great with jeans or dress pants.
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Reviewed in the United States on June 25, 2025
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Marta J. Matos
Dallas, US
★★★★★ 5
Perfect size and style
Size: One Size, Color: Red Jam
Beautiful Bag! Exactly what I was looking for in size and color.
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Reviewed in the United States on June 1, 2026
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Kelly l Fo
Cuba, US
★★★★★ 5
Perfect small purse
Size: One Size, Color: Southwest Desert
Perfect small crossbody!
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Reviewed in the United States on April 21, 2026

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