RS485 Online fluorescence dissolved oxygen sensor DOS transmitter

RS485 Online fluorescence dissolved oxygen sensor DOS transmitter

Marsoni

M251S

$109.80

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

RS485 Online fluorescence dissolved oxygen sensor DOS transmitterWQS DOS series Online fluorescence dissolved oxygen sensor manual Product description This product is a device for measuring the dissolved oxygen concentration in solutions. It adopts the fluorescence measurement principle, which does not consume oxygen and requires no electrolyte. It has a built in temperature sensor with an automatic temperature compensation function. The calibration function provides a simpler and more convenient calibration

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My blind dog loves these Chuckit! sniff balls. She can easily sniff them out and plays fetch with them for 20 minutes a day, even running up and down the stairs. The balls are durable, bounce well, and the bacon and peanut butter scent keeps her engaged. I do wish Chuckit! would bring back the version with a tone so we could play fetch outside more easily. Overall, a fantastic toy for dogs that rely on scent and a fun way to keep them active.

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Reviewed in the United States on February 14, 2026

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S L

Waukegan, US

★★★★★ 5

My Golden Loves

Size: 2-pack, Style: Duo

My 8 month old Golden Retriever loves these. It is also one of the few products she cannot destroy. They smell as described and she loves to chew them and play fetch when. She can chew these easily without destroying them. Overall good value for the money for my Golden

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Reviewed in the United States on January 2, 2026

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Amazon Customer

Carnegie, US

★★★★★ 5

My dogs are obsessed with this ball

Size: 2-pack, Style: Duo

Great quality! I have 2 boxers that love it and the ball is still intact

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Reviewed in the United States on January 31, 2026

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