RS485 MODBUS Dissolved Oxygen Sensor

Marsoni

M251S

$224.50

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

RS485 MODBUS Dissolved Oxygen SensorRS485 MODBUS Dissolved Oxygen Sensor RS485 Modbus Dissolved Oxygen Sensor is based on the fluorescence quenching method, which can quickly measure dissolved oxygen in water, it has a built in temperature sensor and salinity compensation to make the measurement more accurate. It has a long service life due to its unmatched chemical and abrasion resistance. And the sensor will not be affected by flow rate and chemical substances, resists interference

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Exchange/Return Notes

We offer a 30-day return/exchange service after receiving.
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I had been looking for new pillows and my daughter had recommended the Bedsure pillows as being so comfortable and soft. I bought a 2 pack queen that were on sale on Amazon and absolutely love them they are soft fluffy and have not flattened or lost shape at all. I am really happy with purchase. Great pillows great price.

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Reviewed in the United States on April 30, 2026

Verified Purchase

Michelle McDonald

Fort Morgan, US

★★★★★ 5

Not a hard pillow

Model: Soft-2PK, Size: Standard

So comfortable and soft.

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Reviewed in the United States on April 21, 2026

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Bre Jackson

Alexandria, US

★★★★★ 5

Fluffed to perfection.

Model: Soft-2PK, Size: Queen

I was a tad disappointed when I first opened the vacuum sealed packaging. They were flat and thin and disappointing. Once I fluffed them (took about 15 minutes per pillow) they were suddenly AMAZING. Fluffy and soft and perfectly supportive.

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Reviewed in the United States on February 26, 2026

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Jose

Massapequa, US

★★★★★ 3

Model: Soft-2PK, Size: Queen

These pillows are ok. I would not purchase them again as they go flat, but they will fluff up again once you fluff them.

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Reviewed in the United States on April 23, 2026

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Carolyn V