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Data Logging Indoor Air Quality Meter with ISO Certificate

Marsoni M251S
Sale price$668.85
Pay 4 payments of $167.21 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
Data Logging Indoor Air Quality Meter with ISO CertificateSpecifications CO2 Range 0 30000 ppm Temperature Range 4 140 F ( 20 60 C ) Humidity Range 0% 100% RH Temperature Accuracy 1. 5F (0. 8C) Temperature Resolution 0. 1F C Humidity Accuracy 3% (10 to 90% RH), 5% (<10% and >90%) Humidity Resolution 0. 1% RH CO2 (Carbon Dioxide) Sensor Type Non Dispersive Infrared (NDIR) Selectable Sampling Rate Between 1 second & 60 minutes 59 seconds Battery Life Approximately 10 Hours Continuous Use Software OS
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
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4.1 ★★★★★
Based on 2231 reviews
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R. Reid
Carnegie, US
★★★★★ 5
Worth the buy!
Size: Medium, Color: Black
These socks wash well and have lasted us through the year without holes wearing in them. This is actually the 2nd pack we’ve purchased and will definitely buy more when we outgrow these.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 19, 2026
T
Verified Purchase
Tyler
Fort Morgan, US
★★★★★ 5
Highly Recommend these as daily socks
Size: X-Large, Color: Black
I love these socks. I’ve been wearing for years. There was a batch I purchased about 2 years ago that all fell apart in the same seam location after 6 months but UA appears to have resolved. I highly recommend.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 22, 2025
J
Verified Purchase
Joseph S. Morris
Chelsea, US
★★★★★ 3
They're ok, miss the resistor 3.0
Size: Large, Color: Black
I bought these because Under Armour stopped making the resistor 3.0 socks. These are fine, but the resistors are better. This model is a little too form-fitting, and I have to make sure they're situated on my toes properly, otherwise they'll sit between my little toe and the next one.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 13, 2025
A
Verified Purchase
Amazon Customer
Pawtucket, US
★★★★★ 5
UA Socks
Size: Large, Color: Black
Great socks for summer. Just what I wanted.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 3, 2025
K
Verified Purchase
KREG HANEY
Battle Creek, US
★★★★★ 5
Good Socks.
Size: Large, Color: Black
Good fit and comfortable socks.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 20, 2025

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