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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
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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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DE
Alexandria, US
★★★★★ 5
I feel so seen
Format: Hardcover
As an introvert, this is the book I needed as a kid. Great story. Adorable art too.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 22, 2023
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AV_Therearenobadbooks
Battle Creek, US
★★★★★ 5
Amazing series
Format: Kindle
So sweet, perfect for animals and book lovers. This is an amazing educational series, the different animals deal with the theme in different ways.
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Reviewed in the United States on August 28, 2025
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Flavio K.
Alexandria, US
★★★★★ 5
A heartwarming treasure!
Format: Hardcover
This book is so beautifully illustrated and full of warmth and heart. The story is delightful, and the artwork perfectly captures the magic on every page. A true gem that both kids and adults will love. Highly recommend!!
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Reviewed in the United States on October 4, 2025
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Lynn Franklin
Lexington, US
★★★★★ 5
A book that Grandmother, mothers, and children will love
Format: Hardcover
This is a lovely, lilting description of a day in the life of one family. Thoughtfully written with beautiful illustrations, it's a delight to read. The best part is how gentle and understanding it is of real life adventures/problems. I can't wait to read it to my grandchildren! Thank-you Bee Johnson for sharing with us, we're all richer for it, especially the children.
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Reviewed in the United States on August 22, 2024
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CB
Boise, US
★★★★★ 5
Fantastic Book that encourages creativity!
Format: Hardcover
Beautifully written, bursting with fantastic illustrations and a constant reminder of the creativity all around us …. Especially thru the eyes of a child! WONDERFUL!!!
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Reviewed in the United States on December 19, 2024

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