SKU: 92071707824

Grove - ORP Sensor Kit Pro [SL4]

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Description

Grove - ORP Sensor Kit Pro [SL4]Dive Deep with Precision: Ready for a thrilling adventure in water quality measurement? Meet the Grove ORP Sensor Kit (HR O), your trusty sidekick in the quest for pristine water. Equipped with a 5 meter IP68 ORP probe, this little marvel laughs in the face of challenging conditions, boasting a jaw dropping 2000mV to 2000mV sensing range. And with a temperature tolerance of 0 80, it's more adaptable than a chameleon in a rainbow! Features That Make a

Dive Deep with Precision: Ready for a thrilling adventure in water quality measurement? Meet the Grove - ORP Sensor Kit (HR-O), your trusty sidekick in the quest for pristine water. Equipped with a 5-meter IP68 ORP probe, this little marvel laughs in the face of challenging conditions, boasting a jaw-dropping -2000mV to 2000mV sensing range. And with a temperature tolerance of 0-80℃, it's more adaptable than a chameleon in a rainbow!

Features That Make a Splash:

  • Long-Range ORP Sensing: With its 5-meter IP68 ORP probe, this sensor doesn't just dip its toes in - it dives headfirst into a vast sensing range of -2000 to 2000 mV. Whether you're exploring the depths of a lake or just your backyard pool, it's got you covered.
  • Temperature-Tolerant Titan: Functioning flawlessly from 0-60°C, this sensor maintains a ±15mV sensing accuracy. It's like having a personal water quality guardian that's always on duty.
  • Voltage Versatility: Supporting both 3.3V and 5V, this sensor is more flexible than a gymnast at the Olympics.
  • Interchangeable Ingenuity: Thanks to its support for BNC-linker sensor probes, swapping sensor nodes is as easy as changing your socks.
  • Eco-Friendly Enforcer: RoHS certification means it's as gentle on the environment as a butterfly on a breeze.

Description: The Grove - ORP Sensor Kit (HR-O) isn't just a sensor; it's a superhero in the world of water quality, boldly measuring how well water can flex its muscles against contaminants. Joining forces with a 5-meter IP68 ORP probe, it offers a sensing range that's wider than your last yawn, operating in temperatures your hot coffee would envy. A proud member of the user-friendly Grove ecosystem and a buddy to Arduino programming, it's the friendly neighborhood sensor you've always wanted.

ORP Explained (without the Boredom): Think of ORP as the bouncer at the club of water quality. Higher values mean the club is exclusive (aerobic conditions), while lower values suggest it's a bit more... 'underground' (anaerobic conditions). In spa terms, the safe range is the equivalent of that sweet spot on your sofa - between 650 and 750 mV.

Why It's Cooler Than Your Average Sensor: This isn't your run-of-the-mill sensor. With a range from -2000 mV to +2000 mV, it's like having a water quality telescope that sees farther than your dreams. And with ±15mV accuracy in a cozy 0-60°C range, it's as precise as a cat stalking its prey.

Ease of Use: If you thought this was going to be as complex as rocket science, think again. Part of the Grove ecosystem and chums with Arduino, this sensor is as easy to connect as making a cup of tea. Just plug, play, and watch those ORP values roll in.

Note to the Curious: Spot some white crystals around the probe? No need for alarm bells - it's just a bit of showmanship from the sensor, a reaction to changes in temperature and environment. Wipe them away gently, and remember, they're not candy, so keep them away from curious kids!

Specification

Parameters

Details

Range measurement

-2000mV to +2000mV

Resolution ratio

1 mV

Accuracy

±15mV

Aero potential point(pH)

7.00±0.30

Slope factor

>96%

Work voltage

3.3V/5V

Work temperature

0-80℃

Reference system

Liquid junction boundary

Polyvinyl tetrachloride

Material of the housing

PPS

Membrane resistance

<500 MQ

Wire length

5 meters

Method of installation

Drop

Level of protection

Ip68

Electrical connection

BNC

Included

Driver board

x1

ORP Sensor Probe

x1

Grove cable

x1

Documentation

Shipping Notes
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Exchange/Return Notes
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SKU: 92071707824

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4.5 ★★★★★
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Dana Dee
Whiting, US
★★★★★ 5
Great book!
Format: Paperback
My daughter is 8 years old and loves reading graphic novels. I came across this one and wasn’t sure if it would be for her age but figured we would give it a try. So glad I ordered it! She read it so fast and it quickly became one of her favorites! I have the second book in my cart now.
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Reviewed in the United States on January 6, 2026
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colette fardella
Phoenix, US
★★★★★ 5
great for 4th grade
Format: Paperback
my 4th grader loved this book, wish more were paperback
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Reviewed in the United States on March 2, 2026
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Anne Christofferson
Alexandria, US
★★★★★ 5
Good Artwork
Format: Paperback
This was a well drawn graphic novel
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Reviewed in the United States on March 4, 2026
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TF
Lowell, US
★★★★★ 5
which is my favorite place to shop for my classroom
Format: Paperback
I found this book in the #WeNeedDiverseBooks catalog on Scholastic Book Clubs, which is my favorite place to shop for my classroom. This book appealed to me because it was a graphic novel, and because of its premise in examining gender norms. Aster is a boy who lives in a magical society where the girls are trained to be witches, and the boys are supposed to grow to be shapeshifters. Aster's shapeshifting magic hasn't come to him, and he's really much more interested in witchery. At one part of the story, he points out to the other boys that it's silly that the girls are in lessons learning things while they are just running around playing fighting games. As a teacher, this made me smile! His family then runs into a mysterious danger, and no one will listen to him when he thinks he has a way to help make things right. Will he be able to use magic his way to help save his family? This book features a diverse cast, which is readily apparent to the reader thanks to the graphic novel format. Aster is a likable protagonist, as is his friend Charlie. I love the message that shatters the binary gender norms, especially because they are sometimes quite rigid in this age group. When I listed the books I had bought to my students this last year, some of them questioned me on how the title could be "The Witch Boy." Even in the world of fantasy, they had clear gender norms established in their head. I am all for books that can help loosen those norms and create more open minds. There is no reason for our children to feel like there are things that they cannot do or be because they have been assigned a certain gender. Because of its fantasy setting, I feel like it's a book that can be more readily accepted by readers and gatekeepers with more conservative views. This kind of representation is very important for our children who are coming of age and discovering themselves. Because it's a middle grade novel, the plot of THE WITCH BOY moved very quickly and I would have loved more details about the characters and the world. However, I think it'll be more than enough to keep kids engaged, and the story line is easy to follow. It's a quick read, which is a huge plus for some of our reluctant readers, and my students were definitely attracted to the full color, high-quality pages. This was the nicest looking book in the book order that it came in, and one of my students must have liked it enough to keep it, because it never made it back and I had to order a new one on Amazon.
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Reviewed in the United States on July 5, 2018
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Christina B
Phoenix, US
★★★★★ 5
⭐️⭐️⭐️⭐️⭐️ Enchanting, meaningful, and perfect for teens (and their moms sneaking a read, too!)
Format: Paperback
The Witch Boy is a spellbinding graphic novel that my preteen devoured in one sitting—and honestly, so did I. It beautifully explores what it means to be different, to challenge family expectations, and to find your own magic (literally and figuratively). The story follows Aster, a boy growing up in a family where boys become shapeshifters and girls become witches. But Aster doesn’t fit the mold—he’s drawn to witchcraft, despite the risks and disapproval. When something dark starts hunting the boys in his community, it’s Aster’s courage and gifts that may save them all. What we loved: ✨ The lush, expressive illustrations pull you right in. ✨ Aster’s journey is a wonderful mirror for kids who feel like they don’t quite fit in—whether that’s because of interests, identity, or just growing up. ✨ It weaves in big ideas (gender roles, acceptance, family pressure) without ever being heavy-handed. ✨ It’s just spooky enough to be thrilling, but not nightmare fuel. If you’re a parent looking for books that spark conversation about being true to yourself, kindness, and empathy—or if your kid loves stories about witches, werewolves, and secret magic—this is a must. We can’t wait to get the next in the series. Highly recommend!
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Reviewed in the United States on July 6, 2025

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