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RS485 Output 0-2mg/L / 0-8mg/L / 0-20mg/L Residual Chlorine Sensor | Three-Electrode Structure, No Frequent Calibration Required

Marsoni M251S
Sale price$163.60
Pay 4 payments of $40.90 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
RS485 Output 0-2mg/L / 0-8mg/L / 0-20mg/L Residual Chlorine Sensor | Three-Electrode Structure, No Frequent Calibration RequiredWQS RC series Residual Chlorine sensor manual Product description This product is a device for measuring the concentration of residual chlorine (hypochlorous acid and hypochlorite ion concentrations) in water bodies. Adopting a three electrode system, it features high measurement accuracy, long service life, and no need for frequent calibration. It is suitable for automatic chemical dosing control in circulating water, chlorine dosing control in
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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.
  • To process your return/exchange, please contact us at [email protected]
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4.4 ★★★★★
Based on 1578 reviews
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Verified Purchase
Jodi
Waukegan, US
★★★★★ 4
Nice wallet
Color: Brown (Trifold)
Very nice wallet good quality
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 26, 2025
K
Verified Purchase
Kelli Lynn
Chelsea, US
★★★★★ 5
Perfect Buy
Color: Brown (Rodeo)
My husband says this is the best wallet he’s ever had! I have got him a. Couple but he loves this one! Well made rfid and beautiful
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 3, 2026
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Verified Purchase
Hannah Clere
Grantham, US
★★★★★ 5
Sturdy & we repurchase yearly for Hubby’s refresh
Color: Brown (Rodeo)
This is my hubbys tried and true wallet. He requests this same one every year as a refresh. He wears his 24/7 in his back pocket so it gets discolored but still holds its shape pretty well with a slight bend.
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Reviewed in the United States on March 26, 2026
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Verified Purchase
Carol Forcier
West Palm Beach, US
★★★★★ 5
Great watch
Color: Green/Digital/Green
My old blue watch died so I bought this one because I like it and I like the color for Loki from Avengers.
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Reviewed in the United States on May 30, 2026
J
Verified Purchase
Jeff King
Lake Worth, US
★★★★★ 5
Great seller
Color: Green/Digital/Green
Great product
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Reviewed in the United States on May 6, 2026

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